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LT5571EUF Linear Technology IC TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PQCC16, 4 X 4 MM, PLASTIC, MO-220WGGC, QFN-16, Cellular Telephone Circuit
LT5571EUF#TR Linear Technology IC TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PQCC16, 4 X 4 MM, PLASTIC, MO-220WGGC, QFN-16, Cellular Telephone Circuit
LT5558EUF#TRBPF Linear Technology IC TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PQCC16, 4 X 4 MM, LEAD FREE, PLASTIC, MO-220WGGC, QFN-16, Cellular Telephone Circuit
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LT1009M2 Linear Technology IC SPECIALTY ANALOG CIRCUIT, Analog IC:Other
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telephone handset circuit schematic diagram Datasheets Context Search

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telephone handset circuit schematic diagram

Abstract: AN2201 sidetone cancellation AS253X AN2202 AS2533 an2202 AN3020 AN2202b AD3371 AN2203
Text: application note AN2201 (single chip telephone demo board). 2. Key Features Low cost additional circuit , with Dual Soft Clipping Data Sheet AS2520/1 Telephone Speech Circuit with Loudhearing and Handsfree , amplifier is a simple, low cost add-on circuit to the AS253x single chip telephone family. It is supplied , affecting the performance of the single chip telephone . A detailed description of this circuit is given in , describes a low-cost add-on circuit for driving an 8-Loudspeaker to get a simple loudhearing


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PDF AN2202 AN2202: AS2533. AN2202a: AN2202b: AN3020) AS253x AN2201 An2202 telephone handset circuit schematic diagram AN2201 sidetone cancellation AS2533 an2202 AN3020 AN2202b AD3371 AN2203
telephone handset circuit schematic diagram

Abstract: AD3371 sidetone cancellation Transistor BC327 Q1 SAN2202B 5V-60mV BC337-10 BC337 circuit example loudspeaker SAN2202
Text: additional circuit enables use of loudhearing function · Full duplex "handsfree" operation via handset , , low cost add-on circuit to the SA253x single chip telephone family. It is supplied by the line , duplex "handsfree" operation possible, when the handset is placed next to the telephone with the , # Single Chip Telephone Application Circuit Sh 01 of 01 1 8/9 2 sames D SAMES Telecom , 1 Scope This application note describes a low-cost add-on circuit for driving an 8-Loudspeaker to


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PDF SAN2202 SAN2202a: SAN2202b: SAN3020) SA253x telephone handset circuit schematic diagram AD3371 sidetone cancellation Transistor BC327 Q1 SAN2202B 5V-60mV BC337-10 BC337 circuit example loudspeaker SAN2202
4x1N4004

Abstract: DB2101 bC327 25k mic electret telephone handset circuit schematic diagram AN2223 antilarsen AS252X handsfree chip AN2101
Text: : Evaluation Board:DB2101 AS2520/21/B Telephone Speech Circuit with Loudhearing and Handsfree 1. Scope , . The components shown in the block diagram represent the following components in the AN2101 schematic , 11 ( handset , handsfree or loudhearing mode) The following graphs show a simplified block diagram , loudhearing and handsfree. Based on the DB2101 demo board all the speech functions ( handset mode, loudhearing , stands only for for the AS2520B, AS2521B circuits . 2. Key Features Line/speech circuit , loudhearing


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PDF AN2101 AN2101: DB2101 AS2520/21/B AS2520 DB2101 AS252x AN2101 4x1N4004 bC327 25k mic electret telephone handset circuit schematic diagram AN2223 antilarsen handsfree chip
ic melody generator

Abstract: AN2201 AN2203 Q11 DPDT HUW-66 4013AN AS253X huw66 AS2534 4013 Microphone
Text: case of AN2203D, when the telephone is in HOLD mode ( handset replaced) it will automatically go onhook , handset will not change state, the circuit remains in HOLD state · after releasing the handset (on-hook , goes off-hook, the auto-release circuit detects this change and disconnects the telephone from the , handset MUSICON-HOLD Off-hook (on-hook) Auto release circuit detects off-hook of parallel , call: both telephones are ringing User lifts handset on Tel.A and starts telephone


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PDF AN2203 AN2203: AS2533. AN2203 ic melody generator AN2201 Q11 DPDT HUW-66 4013AN AS253X huw66 AS2534 4013 Microphone
telephone handset circuit schematic diagram

Abstract: RJ9 plug carbon microphone wireless microphone circuit diagram for wireless headsets 3 pins Variable resistor 10K ohm Variable resistor 10K ohm RJ-9 W681xxxES telephone HANDSET
Text: Telephone Handset Default Diagram 4 Connecting Microphone and Speaker to the W681xxxES J23 can be used to connect an RJ9 plug from a "standard" telephone handset or headset to the appropriate pins on , . SCHEMATIC COMPONENT # R3,4 R5,6 C7,8 R9 R7 R8 TELEPHONE HANDSET (Values Populated on the board , minimum for a digital telephone handset application which will allow the designers to easily connect this , acoustical chamber in the telephone type handset lets the electret microphone provide an output of ~28 mVRMS


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PDF W681xxxES W681xxxR-ES telephone handset circuit schematic diagram RJ9 plug carbon microphone wireless microphone circuit diagram for wireless headsets 3 pins Variable resistor 10K ohm Variable resistor 10K ohm RJ-9 telephone HANDSET
2006 - telephone handset circuit schematic diagram

Abstract: OLED display circuit OLED circuit details DN66 PLC CIRCUIT DIAGRAM without ic GRM Series CMD4D11-220 BAT54S ZXLB1600X10 ZXLB1600
Text: schematic diagram in Figure 1 shows a full color OLED bias supply for clamshell handset sub display. U2 , VIN FB LBT ADJ C2 N/C N/C R2 GND ZXLB1600 Figure 1 Schematic diagram , DN66 An OLED bias supply for a clamshell handset sub display Description Portable applications , have infinite contrast ratio and are selfilluminating. This gives the handset manufacturer two key , handset is dormant. The ZXLB1600 is a boost converter that can provide the power requirements for OLED


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PDF ZXLB16sia telephone handset circuit schematic diagram OLED display circuit OLED circuit details DN66 PLC CIRCUIT DIAGRAM without ic GRM Series CMD4D11-220 BAT54S ZXLB1600X10 ZXLB1600
1999 - Rion NL05

Abstract: NL-05 MINI Jack 4PIN VO6C MSM7731-02 78m08 rv511 NL05 micro switch 4pin SCHEMATIC SOUND BOARD
Text: telephone handset , external circuit (resistor and capacitor value) outside of MSM7731-02, and so on. The , Pins Test pins are mounted on the PCB for the connection to external telephone handset , for Additional Amplifier The amplifier for the line out to external telephone handset can be used as , connection to external telephone handset can be placed as an option by using the area of U15. 4pin of U15 is , availability of connection to the telephone handset . 12) Set both JP1 and JP2 to "1 (pull-up state)" as far as


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PDF MSM7731-02 MSM7731 MSM7731-02GA LM4861 LM4816 78M08 29M03 DC12V 78M05 Rion NL05 NL-05 MINI Jack 4PIN VO6C 78m08 rv511 NL05 micro switch 4pin SCHEMATIC SOUND BOARD
2001 - CVSD encoder

Abstract: telephone handset circuit schematic diagram lm386 audio amplifier PCB diagram telephone handset connector Rj22 LM6482 LM6482 equivalent telephone HANDSET LM386 BLOCK DIAGRAM LM386 audio amplifiers lm386 block diagram of loudspeaker
Text: ADVANCE INFORMATION · · · CMX639 Product Evaluation Telephone Handset Connectors On-board Speaker , Rate (2) Algorithm Telephone Handset (Mic) 3 Direct In CMX639 Force Idle (2) Data En Powersave Direct Out 4 V+I N Speaker Driver +20dB Telephone Handset (Earpiece) XTAL , device current, etc. Convenient I/O allows connection to a telephone handset , microphone, and/or a , Power Conditioning Telephone Handset (Mic) Audio +In Audio -In Input Conditioning 3


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PDF EV6090 CMX639 -20dB CMX639 CVSD encoder telephone handset circuit schematic diagram lm386 audio amplifier PCB diagram telephone handset connector Rj22 LM6482 LM6482 equivalent telephone HANDSET LM386 BLOCK DIAGRAM LM386 audio amplifiers lm386 block diagram of loudspeaker
2001 - telephone handset circuit schematic diagram

Abstract: telephone handset connector Rj22 LM6482 lm386 block diagram of loudspeaker CVSD encoder cmx639 kit telephone HANDSET lm386 microphone LM386 CIRCUIT DIAGRAM audio Amplifier USING LM386
Text: ADVANCE INFORMATION · · · CMX639 Product Evaluation Telephone Handset Connectors On-board Speaker , ) Algorithm Telephone Handset (Mic) 3 Direct In CMX639 Force Idle (2) Data En Powersave Direct Out 4 V+I N Speaker Driver +20dB Telephone Handset (Earpiece) XTAL VDDI N , device current, etc. Convenient I/O allows connection to a telephone handset , microphone, and/or a , Telephone Handset (Mic) Audio +In Audio -In Input Conditioning 3 4 Dec In Force Idle (2


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PDF EV6090 CMX639 -20dB CMX639 telephone handset circuit schematic diagram telephone handset connector Rj22 LM6482 lm386 block diagram of loudspeaker CVSD encoder cmx639 kit telephone HANDSET lm386 microphone LM386 CIRCUIT DIAGRAM audio Amplifier USING LM386
MPSA92(KSP92) equivalent

Abstract: AN2201 CI AS2536 TRANSISTOR SMD 13W MPS A43 SCHEMATIC smd transistor BC557 SmD TRANSISTOR a42 CI AS2534B 1N4007 M7 150v varistor
Text: telephone with speech circuit , DTMF/Pulse dialer and tone ringer Versatile applications, same chip for all , block diagram represent the following components in the DB2201 schematic : ZLine: Z1: Z2: Zsyn: Zbal , Application Note AN2201 Application Note AN2201: AS2533.6 Single Chip Telephone Demo , of the Single Chip Telephone IC´s AS2533.6, based on the multi standard demo board DB2201. 2 , for handset and line cord, line connector a/b- terminals selectable by jumper Overvoltage &


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PDF AN2201 AN2201: AS2533. DB2201. An2201 MPSA92(KSP92) equivalent CI AS2536 TRANSISTOR SMD 13W MPS A43 SCHEMATIC smd transistor BC557 SmD TRANSISTOR a42 CI AS2534B 1N4007 M7 150v varistor
AN525

Abstract: BC327-25 SMD AN500-x smd diode S4 6E PGKE Zener Diode 1b8 handsfree chip Application Notes AN500-x AS2525 AUSTRIA MIKRO SYSTEME INTERNATIONAL
Text: tools for programming the E²PROM _21 Interface circuit diagram for , Interface circuit diagram for programming the E²PROM via the parallel LPT-port 17.2 Installation and , This application note describes operation and features of the AS2525 Single Chip handsfree telephone , , a fully functional LCD + handsfree telephone . 1.1 PTT spec conformity The application hints hereafter should be understood as guidelines for other designs based on the AS252x circuit . No guarantee


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PDF AN525 AN525: AS2525 AS2591 AS2591 AN525 AS252x /AN525 BC327-25 SMD AN500-x smd diode S4 6E PGKE Zener Diode 1b8 handsfree chip Application Notes AN500-x AUSTRIA MIKRO SYSTEME INTERNATIONAL
balanced microphone schematic

Abstract: dynamic microphone Amplifier with transistor bc549 electret microphone microphone using amplifier piezo electret microphone microphone electret transistor BC 547B BC549 CONNECTION micro electret
Text: Telephone Demo Board 4 Revision status SAN3021 Application Note (this document) SAN3021 Schematic , damage, loss of Sch. SAN3021 Pn# Single Chip Telephone Application Circuit in connection with or , sames SAN3021 APPLICATION NOTE SA2531/2 Single Chip Telephone : Using dynamic microphone as , existing systems using dynamic handset microphone · No need for a piezo ringer when using the dynamic , . 2 6.1 USING THE DYNAMIC MICROPHONE AS TONE RINGER ( SCHEMATIC :A


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PDF SAN3021 SA2531/2 AN1500A balanced microphone schematic dynamic microphone Amplifier with transistor bc549 electret microphone microphone using amplifier piezo electret microphone microphone electret transistor BC 547B BC549 CONNECTION micro electret
1997 - RCDL56ACF

Abstract: rcvdl56acfw RCVDL56ACF/SP schematic circuit board satellite modem data circuit schematics satellite connector 4 MHz crystal KDS 2K SDS Relay RCVDL56ACFW/SP KDS 28.224 MHZ crystal 84 pin plcc ic base
Text: ) [R6715] (68-PIN PLCC) TELEPHONE LINE/ TELEPHONE HANDSET / AUDIO INTERFACE CIRCUIT TELEPHONE , HANDSET / AUDIO INTERFACE CIRCUIT TELEPHONE LINE TEL HANDSET HEADPHONE/ SPEAKER MICROPHONE , hybrid. In Handset Mode, the RCDSVD SCP interfaces to the telephone interface circuit using the Line , .5-7 5.1.9 Telephone and Local Handset Interface , / telephone /audio interface circuit to complete the system. The standard crystal frequency is 56.448 MHz


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PDF RCVDL56ACF/SVD, RCV56ACF/SVD, RCV336ACF/SVD RCDL56ACF rcvdl56acfw RCVDL56ACF/SP schematic circuit board satellite modem data circuit schematics satellite connector 4 MHz crystal KDS 2K SDS Relay RCVDL56ACFW/SP KDS 28.224 MHZ crystal 84 pin plcc ic base
150v varistor

Abstract: telephone line interface circuit bc517 c32725 EMC SMD MICROPHONE dual transistor 6 pin SMD Z2 pin configuration pnp smd transistor BC557 BC547 45V 100mA NPN Transistor MPSA92 168 QMPSA92 smd diode code 1_b
Text: performance telephone with speech circuit , DTMF/Pulse dialer and tone ringer Very few external low cost , components shown in the block diagram represent the following components in the DB1500I schematic : ZLine , Single Chip Telephone Application Circuit R 10C 10K R 10B 100K 2 3 sa m e s c c , sames AN1500A APPLICATION NOTE SINGLE CHIP TELEPHONE DEMO BOARD SA2532K 1 Scope This application note describes the use of the SA2532K Single Chip Telephone IC developed specifically to meet


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PDF AN1500A SA2532K SA2532K DB1500I 150v varistor telephone line interface circuit bc517 c32725 EMC SMD MICROPHONE dual transistor 6 pin SMD Z2 pin configuration pnp smd transistor BC557 BC547 45V 100mA NPN Transistor MPSA92 168 QMPSA92 smd diode code 1_b
1999 - telephone handset circuit schematic diagram

Abstract: ic 4558 pin diagram ic 4558 tone control teccor 4558 circuit diagram FERRITE rotary TRANSFORMER XE014JS-ITR XE014JS RC224ATF P3100BA70
Text: Connect Detection monitor; * Integrated Handset Interrupt circuit ; * FCC Part 68 Compliant; * Extended Temperature Range available; Figure 1: XE014JS BLOCK DIAGRAM Handset Interrupt Circuit /Hint /CD , circuit monitors line activity and indicates when the host telephone line is in use. By monitoring this signal the equipment avoids interruption of a host call in progress. The handset interrupt circuit , schematic on this page shows a simple 2/4 wire convertor circuit . recommended value for the impedance


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PDF XE014JS XE014JS telephone handset circuit schematic diagram ic 4558 pin diagram ic 4558 tone control teccor 4558 circuit diagram FERRITE rotary TRANSFORMER XE014JS-ITR RC224ATF P3100BA70
1999 - transistor equivalent 2n5551

Abstract: BC557 TRANSISTOR REPLACEMENT transistor KSP 42 2025h AN500-x AN522 Application Notes AN500-x AN525 AS2525 AS2522 and AS2591
Text: telephone with AS2522 Line Interface FSK Transmitter V.23,Bell 202, V.21, Bell103 on AS2522B only , including all external components necessary for the AN522 demoboard, which is a LCD + handsfree telephone , corded telephone devices with external microcontroller PTT spec conformity The application notes hereafter should be understood as guidelines for other designs based on the AS252x circuit . No guarantee , .5 CIRCUIT DESCRIPTION


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PDF AS2522A/B AN522 AS2522A/AS2522B AS2522 Bell103 AS2522B transistor equivalent 2n5551 BC557 TRANSISTOR REPLACEMENT transistor KSP 42 2025h AN500-x AN522 Application Notes AN500-x AN525 AS2525 AS2522 and AS2591
BABT CR 0090

Abstract: bel 187 transistor diagram bel 187 transistor working bel 187 NPN TRANSISTOR auto dialling circuit telephone handset circuit schematic diagram bel 187 transistor P3400 bel 187 transistor with diagram of bel 187 transistor
Text: Control P3400 will seize the telephone line when current flows through the OH circuit (pins 28, 27). Since , sink. DC Mask When the telephone line is seized, line current flows through a gyrator circuit within , is a simplified circuit schematic . Billing tone filter application blu^ (sup) Fig 11 2SiSJ+ sv Wri , associated telephone handset . If this feature is required the associated telephone may be wired in series , intended for direct connection to the telephone line such as modems, FAX machines etc. must be coupled to


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PDF P3400 BABT CR 0090 bel 187 transistor diagram bel 187 transistor working bel 187 NPN TRANSISTOR auto dialling circuit telephone handset circuit schematic diagram bel 187 transistor bel 187 transistor with diagram of bel 187 transistor
balanced microphone schematic

Abstract: as2531 electret microphone AN2201 Amplifier with transistor BC549 dynamic microphone AS253X BC549 CONNECTION AN3021 microphone using amplifier
Text: Telephone application, AN2201 is based on using an electret handset microphone. However, there are , Application Note AN3021 Application Note AN3021: AS253x Single Chip Telephone : Using , dynamic microphone as tone ringer. 2. Key Features Updating existing systems using dynamic handset , . 2 6.1 Using the dynamic microphone as tone ringer ( schematic :a , . 3 6.2 Amplifier for general purpose applications ( schematic :b


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PDF AN3021 AN3021: AS253x AN2201 An3021 balanced microphone schematic as2531 electret microphone Amplifier with transistor BC549 dynamic microphone BC549 CONNECTION microphone using amplifier
5110 draft sensing pin

Abstract: Rockwell fax modem smd diode lww accelerator rockwell modem rcv144 SPEAKERPHONE transistor smd rjm ce SMD CODE LWW
Text: . 5-5 5.1.9 Telephone and Local Handset Interface , crystal, discrete components, and a telephone line/ telephone /audio Interface circuit to complete the , handset and speaker to support functions such as AudioSpan headset and speakerphone modes, FDSP, telephone , AudioSpan audio to the local handset . 1046F1-3 ASF Figure 1-3. 2-Relay Telephone Line/ Telephone /Audio , telephone line (music on hold) Record conversation through sound chips Record/playback from local handset


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PDF RCV336ACF/SP RCV144ACF/SP 11D73 ML144 5110 draft sensing pin Rockwell fax modem smd diode lww accelerator rockwell modem rcv144 SPEAKERPHONE transistor smd rjm ce SMD CODE LWW
2005 - XE5690SM-1

Abstract: XE5690SM 220O M0010
Text: operations through a connected speaker. The schematic below shows the recommended circuit for the audio , will issue the "NO LINE" response. LINE IN USE If a telephone handset , fax machine or other piece of , line with a telephone handset as it provides the quickest access to the phone line for emergency , Interrupt: The Handset Interrupt feature permits the modem to yield the telephone line to other equipment , . · World-wide telephone networks compliance. · UL60950 Recognition · Low Power operation, 3.3 Volts


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PDF XE5690SM XE5690SM XE5690SM-1 XE5690SM: XE5690SM-1: XE5690SM-1 220O M0010
2005 - 220O

Abstract: XE5690SM xecom modem "40 pin" V32B c3
Text: operations through a connected speaker. The schematic below shows the recommended circuit for the audio , the same telephone line. There are two line monitoring modes; Connect Detect and Handset Interrupt , off-hook and will issue the "NO LINE" response. LINE IN USE If a telephone handset , fax machine or other , to the same telephone line goes offhook. The Handset Interrupt function is controlled by registers , modem will be sharing a line with a telephone handset as it provides the quickest access to the phone


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PDF XE5692SM XE5692SM XE5692SM-1 XE5692SM: XE5692SM-1: 220O XE5690SM xecom modem "40 pin" V32B c3
2003 - VOIP phone schematic

Abstract: telephone handset circuit schematic diagram cd 7231 echo audio schematic echo cancellation schematic diagram Acoustic Echo Cancellation sip phone arm schematic telephone VOIP phone system schematic voip CIRCUIT DIAGRAM
Text: Summary Voice over internet protocol (VoIP) telephone . Solution Features s Complete VoIP telephone solution: - No dependency on external processor. - All of the required software components , immunity for analog signals. - Integrated reset control circuit reduces design complexity and board , Development Board Block Diagram T8303 Phone-On-A-Chip IP Solution Product Brief April 2003 , based telephone . As shown in Figure 1, chip interfaces have been provided to allow direct integration


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PDF T8303 T8303 PB03-114IPT VOIP phone schematic telephone handset circuit schematic diagram cd 7231 echo audio schematic echo cancellation schematic diagram Acoustic Echo Cancellation sip phone arm schematic telephone VOIP phone system schematic voip CIRCUIT DIAGRAM
receiver tk 69

Abstract: IR receiver TK 19 340 transistor fn 1016 AM Transmitter block diagram FN 1016 telephone handset HF power amplifier receiver ir ic HS 3000 P cond mic
Text: telephone or handset telephone . The hands-free telephone function (HF) includes: • MIC amplifier capable , €¢ Symmetrical transmitter/receiver attenuators » Dynamic loudspeaker amplifier The handset telephone function , required of a hands-free or handset telephone . • Can operate on line voltage (requiring no external , the handset mode ICs ter E Telephone E 799 This Material Copyrighted By Its Respective Manufacturer , Vc Fig.1 —1 Line Output Block Diagram R34 = 27fl 6V (standard) ICS fer Telephone : Il CmA) Fig


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PDF AN6175K AN6175K b132fl52 receiver tk 69 IR receiver TK 19 340 transistor fn 1016 AM Transmitter block diagram FN 1016 telephone handset HF power amplifier receiver ir ic HS 3000 P cond mic
1999 - transistor fn 1016

Abstract: transistor r1010 dYNAMIC mIC pre amp ICs FN 1016 mic preamplifier mic PRE-AMPLIFIER ZL300 600 r34 spo2 features preamplifier st
Text: incorporating a hands-free function. It provides for a high-quality handsfree telephone or handset telephone , attenuators · Dynamic loudspeaker amplifier The handset telephone function(HF)includes: · Automatic pad , -0600A) · Provides all the functions required of a hands-free or handset telephone . · Can operate on line , Diagram ICs for Telephone AN6175K s Pin Descriptions Pin No. Symbol MAO 1 (HF) MAI 2 (HF , 150 (°C) ICs for Telephone AN6175K s Operation in the Hand-free Mode · Block Diagram


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PDF AN6175K AN6175K transistor fn 1016 transistor r1010 dYNAMIC mIC pre amp ICs FN 1016 mic preamplifier mic PRE-AMPLIFIER ZL300 600 r34 spo2 features preamplifier st
2000 - STR 6653

Abstract: STR w 6757 ci str 6653 data sheet str 6753 ic 9945 a 8 pin smd inverter STR 6753 STR 6757 REGULATOR IC 7814 STR 6750 STR 6753
Text: for both the base station and the handset in a cordless telephone . · Programmable TX VCO with , cordless telephone into a single integrated circuit . The implemented programming enables the device to be , telephone IC UAA2062 BLOCK DIAGRAM handbook, full pagewidth ECAP VCC 1 TXPD 2 TXLF 3 , microcontroller interface and the Vref(PLL) block. The UAA2062 is used in a cordless telephone handset and in , (see definition in Chapter "Channel frequencies"). Fig.3 FM receiver schematic diagram . 2000 Aug


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PDF UAA2062 403506/01/pp40 STR 6653 STR w 6757 ci str 6653 data sheet str 6753 ic 9945 a 8 pin smd inverter STR 6753 STR 6757 REGULATOR IC 7814 STR 6750 STR 6753
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