3 X 4 TELEPHONE KEYPAD Search Results

UM9151

Abstract: 1N4001X4
Contextual Info: UMC UM 9151-3 "BÊHÊnim nÊÊÊKÊÊHnHKÊÊtKÊBÊÊÊÊIÊiÊBÊÊÊm p u/s e dia ler H i Features • Direct telephone line operation ■ Redial with either * or # key ■ 4 x 3 matrix keyboard interface ■ Dialer reset for line power break > 200 msec

T4320

Abstract: MT4320AE 3 x 4 telephone keypad
Contextual Info: ISO-CMOS MT4320 Keypad Pulse Dialer M IT E L J A N 1985 Features • • • • • • • • Pin Connections Pin for pin replacement for the DF320 2.5V to 5.5V supply voltage operating range 375pW dynamic power dissipation at 3.0V Uses inexpensive 3.58MHz ceramic resonator or

VARISTOR thm

Abstract: dual latching relay ic mt4325ae varistor Z 500 ps
Contextual Info: _ _ _ _ _ _ IV II i E U IS O -C M O S MT4325 Programmable Keypad Pulse Dialer FEB. 1985 Features • Last number redial • Multiple access pause programming • Any valid Keypad input or HOLD IN causes exit from access pause • Oscillator start up controlled from keypad input

NTE1690

Abstract: crystal 3.579545MHZ datasheet crystal 3.579545MHZ TV NTSC crystal 3.579545MHZ 024c2 dial tone Single-Tone tone Dialer dtmf nte1690
Contextual Info: NTE1690 Integrated Circuit Telephone DTMF Dialer Description: The NTE1690 is a low threshold voltage, field–implanted, metal gate CMOS integrated circuit in a 16–Lead DIP type package. This device interfaces directly to a standard telephone keypad and generates all dual tone multi–frequency pairs required in tone dialing systems. The tone synthesizers

82AC2017-1

Abstract: 82AC2060 82-150-38
Contextual Info: Modular Keyboards SERIES 82 Lightable Keyboards and Keypads FEATURES • 11/16" Between Button Centers • Long, Stroke, Wiping Contact • Lightable Modules • Choice of 5 Circuitries with Unlighted Modules • User Legendable Lightable Modules Unlighted Modules

Contextual Info: GEC PLESSEY ADVANCE INFORMATION S E M I C O N D U C T O R S DS3152-2 0 MA587 FAMILY LD/DTMF SWITCHABLE DIALLERS WITH 20 MEMORIES 10 DEDICATED MEMORY KEYS The MA587 family are keypad switchable LD/DTMF dialler devices with a last number redial facility and twenty 24-digit

Contextual Info: GEC PLES S EY | S E M I C O N D U C T O R S | D S 3 1 4 9 -1 .0 S u pe rse d e s C D 1 0 7 0 0 F D S -1 .1 MA545 FAMILY LD/DTMF SWITCHABLE DIALLERS WITH 10 MEMORIES The M A 545 fam ily are keypad switchable LD/DTM F

circuit diagram for micro controller based caller

Abstract: PHILIPS MULTIMEDIA SPEAKER SYSTEM SP 120 T-CON BOARD samsung PCD6003 SIEMENS AVR GENERATOR block diagram of mri machine echo cancel AVR ic VOICE RECORDER playback system keypad avr p40 SIEMENS AVR
Contextual Info: INTEGRATED CIRCUITS DATA SHEET PCD6003 Digital telephone answering machine chip Product specification Supersedes data of 2001 Mar 07 File under Integrated Circuits, IC17 2001 Apr 17 Philips Semiconductors Product specification Digital telephone answering machine chip

11.0592mhz

Abstract: CMX860 1N4004 CMX860D1 CMX860D6 CMX860E1 1198 USART code examples
Contextual Info: CMX860 Telephone Signalling Transceiver D/860/5 January 2002 Provisional Issue Features Applications • • • • • • • • • • • • • • • • V.23 & Bell 202 FSK Tx and Rx DTMF/Tones Transmit and Receive Line and Phone Complementary Drivers

MX128DW

Abstract: Cordless Phone circuit diagram MX128P Cordless Telephone Scrambler 3 pin 3.58 crystal oscillator MX128 xtal 5.06 2 pin crystal oscillator 744-5050 759 power op amp MX-COM
Contextual Info: DATA BULLETIN MX128 Cordless Telephone Scrambler Features Applications








Battery Powered Portability
Cordless Telephones
Wireless PBXs Full-Duplex Audio Processing On-Chip Filters Carrier Rejection >55dB Uses IF 10.24 MHz Clock Requires No Extra Crystal

hf electret microphone

Abstract: Microphone hf electret foil elimination feedback microphone 40 watt telephone ring generator electret microphone ic TRANSDUCERS ELECTRET PBL38541 electret microphone decoupling capacitor 812DI
Contextual Info: PBL 385 41 November 1998 PBL 385 41 Universal Speech Circuit Key features. Description. PBL 38541 is a monolithic integrated speech transmission circuit for use in electronic telephones or in any other line interface application. High settable supply current for auxiliary functions, up to 6.0 mA at high line currents . The circuit is designed

frequency division multiplexing circuit diagram

Abstract: 450MHz CDMA Handset Circuit Diagram automatic change over switch circuit diagram APC back UPS RS 800 power and battery cabinet ericsson MTAS ericsson 800MHz CDMA Handset complete Circuit Diagram UPS APC CIRCUIT frequency division multiplexing circuits ericsson bbs
Contextual Info: Harris Semiconductor No. AN9640.1 Harris Communications December 1996 Glossary of Communication Terms Authors: Mark Amarandos and Don LaFontaine Introduction BSS † BTA C-NETz C/I CAD † CAGR CAI CAM † CAP CAP HDSL CBEMA † The following glossary of communication terms is provided

FX128D4

Abstract: 10.24MHZ clock 10.24MHZ Cordless Telephone Scrambler cordless phone circuit audio scrambler FX128 FX128P3 application for high gain cmos opamp 800 Mhz Cordless Phone circuit diagram
Contextual Info: CML Semiconductor Products Cordless Telephone Scrambler D/128/1 October 1997 FX128 Provisional Information Features • Full-Duplex Audio Processing • Excellent Audio Quality • On-Chip Filters • Low Power Operation 3.0V • Carrier Rejection >55dB

4X4 push-button matrix keyboard

Abstract: PCD8570 3 x 4 telephone keypad PCD3312 keyboard to DTMF PCD8577 PCF8577 DTMF and emergency PCD3343 PCD3341
Contextual Info: D EVE LO PM EN T DATA This data sheet contains advance inform ation and specifications are subject to change w ith o u t notice. U pus P C D 3341 CMOS REPERTORY DIALLER TELEPHONE SET CONTROLLER G E N E R A L D E S C R IP T IO N T he PCD3341 is a lo w th re sh o ld voltage IC fa b rica te d in CMOS. I t is designed to c o n tro l d isp la y, redial

telephone dial tone detect

Abstract: 1N4004 CMX612 GR-30-CORE SIN227
Contextual Info: CMX612 Calling Line Identifier with VMWI D/612/2 August 1999 Advance Information Features Applications • CLI, CIDCW and VMWI System Operation • CLI and CIDCW Adjunct Boxes • CLASS FSK and SDT (Stuttered Dial Tone) • CLI and CIDCW Feature Phones • Low Power Operation 0.5mA at 2.7V

CMX602BD4

Abstract: application for bt 151 1N4004 CMX602B GR-30-CORE SIN227 BT 151 PIN DIAGRAM FSK demodulator Bell202 BT 151
Contextual Info: CMX602B Calling Line Identifier plus Call Waiting Type II D/602B/1 August 1999 Provisional Issue Features Applications • CLI and CIDCW System Operation • CLI and CIDCW Adjunct Boxes • Low Power Operation 0.5mA at 2.7V • CLI and CIDCW Feature Phones

data sheet transistor 9014 c V2

Abstract: 9014 general purpose npn transistor wic 6020 cbm 2090 7495 ic divide-by-6 LSC series Microcontroller by MOTOROLA keyboard encoder schematic sab 8216 transistor 2n 7849 data sheet ic 7495
Contextual Info: Advisory July 2001 T8302 Internet Protocol Telephone Advanced RISC Machine ARM Ethernet QoS Using IEEE ® 802.1q Description The Agere Systems, Inc. Voice over Internet Protocol (VoIP) Phone-On-A-Chip solution currently implements a quality of service (QoS) strategy that uses a proprietary voice packet prioritization scheme called

AN525

Abstract: BC327-25 SMD AN500-x smd diode S4 6E Zener Diode 1b8 PGKE AUSTRIA MIKRO SYSTEME INTERNATIONAL handsfree chip Application Notes AN500-x AS2525
Contextual Info: Preliminary Application Note AN525  Austria Mikro Systeme International AG Application Note AN525: AS2525,AS2591 Single Chip Handsfree Phone +16 digit LCD driver demo board 1. Scope This application note describes operation and features of the AS2525 Single Chip handsfree telephone and

DTMF fsk cli circuit

Abstract: fsk demodulator FX602D4 microcontroller based caller id p 602 1N4004 FX602 SIN227 block diagram of microcontroller based telephone caller id d602
Contextual Info: CML Semiconductor Products Calling Line Identifier FX602 D/602/7 February 1998 1.0 Features Provisional Information • CLI and CIDCW Detector with: • On-Hook and Off-Hook Operation • Low Voltage Operation • 'Zero-Power' Ring or Line Polarity • For Bellcore, ETSI, British Telecom

DB107 CIRCUITS

Abstract: Midcom modem transformer 671-8001 430f149 MIDCOM 671-8001 midcom 82111 671-8001 LM72019 datatronics transformer modem gyrator impedance modem SMT-S04
Contextual Info: CML Semiconductor Products CMX868 and CMX867 V.22bis/V.22 Modem Design Guide AN/Telecom/868/DAA/2 September 2001 • CMX868-based V.22bis modem design • Ultra-low power • RS232 host interface • AT command set • Host µC • Two DAA / line interface variations

Contextual Info: CML Semiconductor Products m m Calling Line Identifier V plus Call Waiting Type II CMX602A Provisional Issue D/602A/4 February 1998 Features Applications • CLI and CIDCW System Operation • CLI and CIDCW Adjunct Boxes • Low Power Operation 0.5mA at 2.7V

mobile jammer

Abstract: TCXO-4 long range MOBILE jammer circuit diagram CXA3003R QFP080-P-1212-A 1T367 cell phone jammer circuit cdma mobile phone jammer MOBILE jammer circuit diagram e9643
Contextual Info: CXA3003R Baseband analog processing IC for dual-mode CDMA/FM cellular phone For the availability of this product, please contact the sales office. Description The CXA3003R is a baseband analog processing IC for dual-mode CDMA/FM cellular phone. The CXA3003R interfaces between the inter-frequency

Contextual Info: MH88210Hybrid DTMF Receiver System M ITE L OCT. 1981 Features • • • • • • • • Up to 40dB Dynamic Range Single Power Supply No External Components Needed Direct Connection To Telephone Line Exceptional Talk Off 14dB Signal to Noise Ratio

TP5089

Abstract: TP5089N 579545 telephone KEYPAD C1995 N16A 579545MHZ TRANSISTOR 955 E
Contextual Info: TP5089 DTMF TOUCH-TONE Generator General Description Features The TP5089 is a low threshold voltage field-implanted metal gate CMOS integrated circuit It interfaces directly to a standard telephone keypad and generates all dual tone multi-frequency pairs required in tone-dialing systems The tone