The Datasheet Archive

Top Results (6)

Part ECAD Model Manufacturer Description Datasheet Download Buy Part
BD7682FJ-LB BD7682FJ-LB ECAD Model ROHM Semiconductor Quasi-resonant type (low EMI) Control DC/DC converter IC for AC/DC Converter
BM2P139TF BM2P139TF ECAD Model ROHM Semiconductor 100kHz PWM DC/DC Converter IC with Built-in 650V MOSFET, Feedback Voltage=13V ,Package=SOP8
BM2P209TF BM2P209TF ECAD Model ROHM Semiconductor 100kHz PWM DC/DC Converter IC with Built-in 650V MOSFET, Feedback Voltage=20V ,Package=SOP8
BM2P189TF BM2P189TF ECAD Model ROHM Semiconductor 100kHz PWM DC/DC Converter IC with Built-in 650V MOSFET, Feedback Voltage=18V ,Package=SOP8
BM2P129TF BM2P129TF ECAD Model ROHM Semiconductor 100kHz PWM DC/DC Converter IC with Built-in 650V MOSFET, Feedback Voltage=12V ,Package=SOP8
BM1P061FJ BM1P061FJ ECAD Model ROHM Semiconductor PWM Control type DC/DC converter IC with Built-in 650V MOSFET

echo mixer circuit Datasheets Context Search

Catalog Datasheet MFG & Type PDF Document Tags
5k variable resistor

Abstract: echo mixer circuit karaoke mixer circuit diagram DIGITAL ECHO pcb ALL DIGITAL ECHO IC echo mixer circuit diagram DIGITAL ECHO IC karaoke CIRCUIT Karaoke Processor IC PCB PT2390
Text: ://www.princeton.com.tw Echo IC with Built-in Microphone Amplifier & Output Mixer PT2390 DESCRIPTION PT2390 is a digital echo IC utilizing CMOS Technology. Microphone Amplifier, Output Mixer , internal 44K RAM and Vocal , Technology Corp. PT2390 Echo IC with Built-in Microphone Amplifier & Output Mixer BLOCK DIAGRAM , ://www.princeton.com.tw Princeton Technology Corp. Echo IC with Built-in Microphone Amplifier & Output Mixer PIN , 1 Amplifier O utput 2 MIX1_IN I Mixer 1 Input 3 EC HO _IN I Echo Input 4


Original
PDF PT2390 PT2390 PT2390. PT2390- 5k variable resistor echo mixer circuit karaoke mixer circuit diagram DIGITAL ECHO pcb ALL DIGITAL ECHO IC echo mixer circuit diagram DIGITAL ECHO IC karaoke CIRCUIT Karaoke Processor IC PCB PT2390
M65832SP

Abstract: 8 channel echo mixer circuit echo mixer circuit diagram 48P4B karaoke mixer circuit diagram Echo Processor IC
Text: DIGITAL ECHO WITH VCR VOICE MIXER TEST CIRCUIT C \j Units Resistance : Q Capacitance : F A , MITSUBISHI SOUND PROCESSOR ICs M65832SP DIGITAL ECHO WITH VCR VOICE MIXER DESCRIPTION The The , MIX output for after recording Built-in mixer for mixing microphone, echo , a id line signals , DIGITAL ECHO WITH VCR VOICE MIXER PIN CONFIGURATION EC H O M IX O U T [ T IN g v O u 47] L IN , ELECTRIC MITSUBISHI SOUND PROCESSOR ICs M65832SP DIGITAL ECHO WITH VCR VOICE MIXER ABSOLUTE


OCR Scan
PDF M65832SP 65832SP 8 channel echo mixer circuit echo mixer circuit diagram 48P4B karaoke mixer circuit diagram Echo Processor IC
analog ECHO microphone mixing circuit

Abstract: analog ECHO microphone mixing circuit diagram karaoke mixer circuit diagram echo mixer circuit diagram echo mixer circuit echo circuit 8 channel echo mixer circuit BU9252 microphone Compander "DIGITAL ECHO"
Text: with the BU9252S or BU9252F to create a digital echo system. These ICs have an internal line mixer , ) Internal electronic volume control allows for adjust ment of the echo mixer level and loop mixer level , circuits Pin name Quantity Equivalent circuit BA7725S/ BA7725FS ECHO LEVEL CTRL LOOP GAIN CTRL , and surround sound KARAOKE echo systems Multimedia ICs · Measurement circuit v oe 9V , Multimedia ICs Analog Compander for KARAOKE Echo Systems BA7725S/BA7725FS The BA7725S and


OCR Scan
PDF BA7725S/BA7725FS BA7725S BA7725FS BU9252S BU9252F BA7725S) BA7725FS) BU9252S/F, BU9252S/F analog ECHO microphone mixing circuit analog ECHO microphone mixing circuit diagram karaoke mixer circuit diagram echo mixer circuit diagram echo mixer circuit echo circuit 8 channel echo mixer circuit BU9252 microphone Compander "DIGITAL ECHO"
echo mixer circuit diagram

Abstract: karaoke mixer circuit diagram noise cancelling mic circuit T-943 Analog ECHO microphone karaoke CIRCUIT echo mixer circuit 8 channel echo mixer circuit
Text: its original level. These ICs have line mixer amplifiers that can mix the line input with an echo , line and microphone input using the internal electronic volume control, the echo mixer level and the , echo system BA7725S, BA7725FS Test circuit for BA7725S (BA7725FS is similar, but note pin no. change , ROHffl 215 BA7725S, BA7725FS Karaoke echo system Circuit operation Audio signals are input , BA7725S BA7725FS The BA7725S and BA7725FS are analog companders designed for Karaoke echo systems


OCR Scan
PDF BA7725S BA7725FS BA7725FS BU9252S BU9252F, BA7725S SDIP22) SDIP22 echo mixer circuit diagram karaoke mixer circuit diagram noise cancelling mic circuit T-943 Analog ECHO microphone karaoke CIRCUIT echo mixer circuit 8 channel echo mixer circuit
BA7725

Abstract: No abstract text available
Text: the echo mixer level and loop mixer level 2 x expansion circuit . using an external DC voltage , ­ bination with the BU9252S or BU9252F to create a digital echo system. These ICs have an internal line mixer , Equivalent circuit ECHO LEVEL CTRL LOOP GAIN CTRL Note: The BA7725FS is mounted to a 20-pin SSOP-A , Multimedia ICs Analog Compander for KARAOKE Echo Systems BA7725S/BA7725FS The BA7725S and BA7725FS are analog companders designed for KARAOKE echo systems, and logarithmically compress the signal


OCR Scan
PDF BA7725S/BA7725FS BA7725S BA7725FS BU9252S BU9252F BA7725S) BA7725FS) 9252S 9252S/F BA7725
Not Available

Abstract: No abstract text available
Text: ELECTRIC MITSUBISHI SOUND PROCESSOR ICs M65832SP DIGITAL ECHO WITH VCR VOICE MIXER TEST CIRCUIT , MITSUBISHI SOUND PROCESSOR ICs M65832SP DIGITAL ECHO WITH VCR VOICE MIXER DESCRIPTION The , recording ■Built-in mixer for mixing microphone, echo , and line signals ■Includes power on reset , ELECTRIC 3-19 MITSUBISHI SOUND PROCESSOR ICs M65832SP DIGITAL ECHO WITH VCR VOICE MIXER PIN , PROCESSOR ICs M65832SP DIGITAL ECHO WITH VCR VOICE MIXER ABSOLUTE MAXIMUM RATINGS (Ta = 2 5 1 , unless


OCR Scan
PDF M65832SP M65832SP
Not Available

Abstract: No abstract text available
Text: M65832SP DIGITAL ECHO WITH VCR VOICE MIXER TEST CIRCUIT ehh * ;°HF - 80 io Ö I ITT , DIGITAL ECHO WITH VCR VOICE MIXER TYPICAL CHARACTERISTICS CIRCUIT CURRENT VS. SUPPLY VOLTAGE , MITSUBISHI SOUND PROCESSOR ICs M65832SP DIGITAL ECHO WITH VCR VOICE MIXER DESCRIPTION The , recording ■Built-in mixer for mixing microphone, echo , and line signals ■Includes power on reset , M65832SP DIGITAL ECHO WITH VCR VOICE MIXER PIN CONFIGURATION - ECHO M IX O U T | T 48] VO


OCR Scan
PDF M65832SP M65832SP
echo mixer circuit diagram

Abstract: M65832SP karaoke mixer circuit diagram bass booster ic
Text: recording Built-in mixer for mixing microphone, echo , and line signals Includes power on reset circuit , MITSUBISHI SOUND PROCESSOR ICs M65832SP DIGITAL ECHO WITH VCR VOICE MIXER FUNCTION 1. Bass boost circuit , MITSUBISHI SOUND PROCESSOR ICs | I M65832SP | j DIGITAL ECHO WITH VCR VOICE MIXER 1 , M65832SP DIGITAL ECHO WITH VCR VOICE MIXER PIN CONFIGURATION (TOP VIEW) ECHO M IX O U T [ T ECHO M IX , ICs M65832SP DIGITAL ECHO WITH VCR VOICE MIXER ABSOLUTE MAXIMUM RATINGS (Ta = 2 5 "C, unless


OCR Scan
PDF M65832SP M65832SP 30kHz echo mixer circuit diagram karaoke mixer circuit diagram bass booster ic
1999 - analog ECHO microphone mixing circuit diagram

Abstract: analog ECHO microphone mixing circuit echo mixer circuit Digital ECHO microphone mixing circuit echo mixer circuit diagram BF 194 pin karaoke mixer circuit diagram 8 channel echo mixer circuit karaoke amplifier CIRCUIT BA7725FS
Text: with the BU9252S or BU9252F to create a digital echo system. These ICs have an internal line mixer , ) Internal electronic volume control allows for adjustment of the echo mixer level and loop mixer level , ·Input / output circuits Pin name Pin No. ECHO LEVEL CTRL Equivalent circuit 4 4 LOOP , Multimedia ICs Analog compander for KARAOKE echo systems BA7725S / BA7725FS The BA7725S and BA7725FS are analog companders designed for KARAOKE echo systems, and logarithmically compress the signal


Original
PDF BA7725S BA7725FS BA7725FS BU9252S BU9252F analog ECHO microphone mixing circuit diagram analog ECHO microphone mixing circuit echo mixer circuit Digital ECHO microphone mixing circuit echo mixer circuit diagram BF 194 pin karaoke mixer circuit diagram 8 channel echo mixer circuit karaoke amplifier CIRCUIT
karaoke mixer circuit diagram

Abstract: 7725S 9.1 surround sound amplifier Digital ECHO microphone mixing circuit for surround analog ECHO microphone mixing circuit sound system circuit diagrams all echo mixer circuit diagram
Text: with the BU9252S or BU9252F to create a digital echo system. These ICs have an internal line mixer amplifi er for mixing line input and echo signals. The internal electronic volume control makes it , 4) Internal electronic volume control allows for adjust ment of the echo mixer level and loop mixer , Multimedia ICs Analog Compander for KARAOKE Echo Systems BA7725S/BA7725FS The BA7725S and BA7725FS are analog companders designed for KARAOKE echo systems, and logarithmically compress the signal


OCR Scan
PDF BA7725S/BA7725FS BA7725S BA7725FS BU9252S BU9252F karaoke mixer circuit diagram 7725S 9.1 surround sound amplifier Digital ECHO microphone mixing circuit for surround analog ECHO microphone mixing circuit sound system circuit diagrams all echo mixer circuit diagram
1999 - echo mixer circuit diagram

Abstract: analog ECHO microphone mixing circuit echo mixer circuit ECHO microphone mixing circuit 2channel sound amplifier circuit diagram delay echo circuit diagram analog ECHO microphone mixing circuit diagram Digital ECHO microphone mixing circuit 8 channel echo mixer circuit Digital Echo delay 16 Pin circuit
Text: with the BU9252S or BU9252F to create a digital echo system. These ICs have an internal line mixer , ) Internal electronic volume control allows for adjustment of the echo mixer level and loop mixer level , ·Input / output circuits Pin name Pin No. ECHO LEVEL CTRL Equivalent circuit 4 4 LOOP , Multimedia ICs Analog compander for KARAOKE echo systems BA7725S / BA7725FS The BA7725S and BA7725FS are analog companders designed for KARAOKE echo systems, and logarithmically compress the signal


Original
PDF BA7725S BA7725FS BA7725FS BU9252S BU9252F BA7725S 51Min. echo mixer circuit diagram analog ECHO microphone mixing circuit echo mixer circuit ECHO microphone mixing circuit 2channel sound amplifier circuit diagram delay echo circuit diagram analog ECHO microphone mixing circuit diagram Digital ECHO microphone mixing circuit 8 channel echo mixer circuit Digital Echo delay 16 Pin circuit
karaoke mixer circuit diagram

Abstract: echo mixer circuit diagram Laser microphone npn transistor power audio amplifier dual audio amplifier circuit diagram Digital ECHO microphone mixing circuit
Text: Video Integrated Circuits MHm 221 BA7760, BA7760F Karaoke echo system Test circuit Input , Circuits Karaoke echo system BA7760, BA7760F Circuit operation The BA7760/F is a dual microphone , mixer buffer to allow mixing of the output signals from the two channels. By combining these ICs with a BA7725S or BA7725FS, a BU9252S or a BU9252F, a digital echo system for two inputs can be created. Features , mixer buffer amplifier with mute function Microphone amplifier, dual Dimensions (Units : mm


OCR Scan
PDF BA7760 BA7760F BA7760F BA7725S BA7725FS, BU9252S BU9252F, DIP14 BA7760 karaoke mixer circuit diagram echo mixer circuit diagram Laser microphone npn transistor power audio amplifier dual audio amplifier circuit diagram Digital ECHO microphone mixing circuit
2004 - IF Amplifiers

Abstract: No abstract text available
Text: mixer with a 30 MHz IF frequency. The echo levels are particularly important for narrow pulse, wide , MIXER /IF AMPLIFIERS Questions and Answers about. MIXER /IF AMPLIFIERS (WITH/WITHOUT RF LIMITERS) Q1: What are the advantages of purchasing an integrated mixer /IF amplifier rather than separate , how well the IF port of the mixer is terminated at the sum and difference frequencies. When purchasing a mixer as a standalone item, the manufacturer can only guarantee the performance with ideal


Original
PDF PDM0208MW2 IF Amplifiers
karaoke mixer circuit diagram

Abstract: karaoke CIRCUIT echo mixer circuit diagram multimedia POWER AMPLIFIERS CIRCUIT DIAGRAMS audio amplifier book 45013
Text: (typically) equivalent input noise voltage. Each IC has an internal mixer buffer amplifier for the mixing of , or BU9252F, these ICs simplify the configuration of digital echo systems with two inputs (for karaoke , . ·Features 1) Internal 2-channel low noise microphone amplifier. 2) Internal mixer buffer amplifier with mute , noHm 383 KARAOKE echo systems Pd mW 0 C O N 1\ Multimedia ICs #Pin , amplifier output Mixer buffer input Mixer buffer output CH2 microphone amplifier output CH2 microphone


OCR Scan
PDF BA7760/BA7760F BA7760 BA7760F BA7725S BA7725FS, BA7726AS BA7726AFS BU9252S BU9252F, karaoke mixer circuit diagram karaoke CIRCUIT echo mixer circuit diagram multimedia POWER AMPLIFIERS CIRCUIT DIAGRAMS audio amplifier book 45013
karaoke mixer circuit diagram

Abstract: karaoke CIRCUIT BU9252 Digital ECHO microphone mixing circuit echo mixer circuit diagram karaoke mixer
Text: (typically) equivalent input noise voltage. Each 1C has an internal mixer buffer amplifier for the mixing of , or BU9252F, these ICs simplify the configuration of digital echo systems with two inputs (for karaoke , . ·Features 1) Internal 2-channel low noise microphone amplifier, 2) Internal mixer buffer amplifier with mute , thmute 10dBV, DIN AUDIO lU M m 383 KARAOKE echo systems mW Multimedia IC s · P in , output Mixer buffer input Mixer buffer output CH2 microphone amplifier output CH2 microphone amplifier fc


OCR Scan
PDF BA7760/BA7760F BA7760 BA7760F BA7725S BA7725FS, BA7726AS BA7726AFS BU9252S BU9252F, A7760/BA7760F karaoke mixer circuit diagram karaoke CIRCUIT BU9252 Digital ECHO microphone mixing circuit echo mixer circuit diagram karaoke mixer
Not Available

Abstract: No abstract text available
Text: circuit „ 10kQ 2 _ 5k Q Hï 10^F 4.7 il F 5kQ KARAOKE echo systems 1O , (typically) equivalent input noise voltage. Each IC has an internal mixer buffer amplifier for the mixing of , or BU9252F, these ICs simplify the configuration of digital echo systems with two inputs (for , , etc. •F e a tu re s 1) Internal 2-channel low noise microphone amplifier. 2) Internal mixer , — 25~75 r Storage temperature Tstg — 55~125 KARAOKE echo systems Parameter


OCR Scan
PDF BA7760/BA7760F BA7760 BA7760F BA7725S BA7725FS, BA7726AS BA7726AFS BU9252S BU9252F, DQ5H143
1996 - echo mixer circuit

Abstract: mic echo cancellation audio future scope of modem digital echo mic mixer with effect
Text: together (in the analog mixer stage) to generate a mono echo cancellation reference signal. Recording 2 , the AC ` mixer , offering the user a common point of control for all 97 audio and telephony signals via the system audio master mixer . This also provides the user a range of mixing options, from mic , phone (DLP) and one for the Telco line. AC ` s mixer capabilities make it possible to eliminate the , needed: · the modem's analog voice out is connected to the AC ` mixer 's phone in for output through the


Original
PDF
data transistor ss 8550 d

Abstract: echo mixer circuit diagram holtek echo 256k
Text: Voltage Follower M S O - Echo Addr Circuit Refresh Addr Circuit Talking Back Addr Circuit , transistor Voltage type audio output for an external power AMP Echo mixer input Echo mixer output Oscillator , HOLTEK r r Features · · · · Operating voltage: 4.5V~5.5V ADM algorithm Auto playback with an echo , Talking Back with Echo Recording capacity: 2, 4, 8, 16 seconds Built-in 2-stage microphone amplifier Built-in DRAM refresh circuit Voltage type D/A output Current type D/A output Auto power-off Low power


OCR Scan
PDF 32Kbps 16Kbps HT8665 HT8665 64K/256K data transistor ss 8550 d echo mixer circuit diagram holtek echo 256k
echo mixer circuit diagram

Abstract: karaoke mixer circuit diagram Digital ECHO microphone mixing circuit
Text: ) equivalent input noise voltage. Each 1C has an internal mixer buffer amplifier for the mixing of signals from , , these ICs simplify the configuration of digital echo systems with two inputs (for karaoke duets, for , ; Internal 2-channel low noise microphone amplifier. 2) Internal mixer puffer amplifier with mute function, 3 , microphone ampiifier fc CH1 microphone amplifier output Mixer buffer input Mixer buffer output CH2 microphone , figures ere $ » r a r « t utilisa. Input and output eojivalent eircuss ·In p u t/o u tp u t circuit


OCR Scan
PDF BA7760/BA7760F 3A7760 BA7760F BA7725S BA7725FS, BA7726AS BA7726AFS 3U9252S BU9252F, echo mixer circuit diagram karaoke mixer circuit diagram Digital ECHO microphone mixing circuit
PT2399

Abstract: Echo Processor IC echo mixer circuit echo mixer circuit pt2399 audio echo ic DIGITAL ECHO pcb karaoke pt2399 PT2399 equivalent Echo Processor IC delay PT2399S
Text: Tel : 886-2-66296288 Fax: 886-2-29174598 Echo Processor IC PT2399 DESCRIPTION PT2399 is an echo audio processor IC utilizing CMOS Technology which is equipped with ADC and DAC, high , also features an internal VCO circuit in the system clock, thereby, making the frequency easily , high quality audio output. The pin assignments and application circuit are optimized for easy PCB , Compact Disk . Television . CD Player . Car Stereo . KARAOKE Mixer . Electronic Musical Instrument .


Original
PDF PT2399 PT2399 -90dBV) -90dBV 5600pF 100uF Echo Processor IC echo mixer circuit echo mixer circuit pt2399 audio echo ic DIGITAL ECHO pcb karaoke pt2399 PT2399 equivalent Echo Processor IC delay PT2399S
echo mixer circuit diagram

Abstract: PCB SURROUND echo mixer circuit DIGITAL ECHO pcb ES56033 PCB SURROUND audio PT2398 Echo Processor IC audio echo ic es56028
Text: : http://www.princeton.com.tw PT2398 PT2398 Echo Application Circuit Note: External Resistor , Princeton Technology Corp. Echo /Surround Processor Tel : 886-2-29162151 Fax : 886-2-29174598 URL: http://www.princeton.com.tw PT2398 Description PT2398 is an echo /surround audio processor , by a micro controller. PT2398 also features an internal VCO circuit in the system clock, thereby, making the frequency easily adjustable. The pin assignments and application circuit are optimized for


Original
PDF PT2398 PT2398 ES56028. 5600pF 100uF 560pF echo mixer circuit diagram PCB SURROUND echo mixer circuit DIGITAL ECHO pcb ES56033 PCB SURROUND audio Echo Processor IC audio echo ic es56028
2008 - delay echo circuit diagram

Abstract: echo mixer circuit diagram 5.1 surround sound amplifier circuits echo sound ic Digital ECHO microphone mixing circuit free sound system amplifier circuit diagram vr1 100k lin karaoke mixer circuit diagram BU9262AFS 8 channel echo mixer circuit
Text: Description The Karaoke/Surround Digital Echo IC incorporates a digital delay circuit , an input/output mixing circuit , supporting Karaoke echo and surround system, all in a single chip. BU9253AS/FS has functions , original sound and echo sound 3) Echo mix ratio settable by DC voltage 4) Built-in amplifier circuit for , echo sound) 6) Built-in CR oscillation circuit BU9262AFS 1) Digital delay time : 8-stage setting from , =-10dBV, ECHO VR pin=VCC, MUTE pin=VCC, unless otherwise specified. Limits Parameter Symbol Min Circuit


Original
PDF BU9253AS/FS, BU9262AFS BU9253AS/FS BU9262AFS 131ms 375kHz) delay echo circuit diagram echo mixer circuit diagram 5.1 surround sound amplifier circuits echo sound ic Digital ECHO microphone mixing circuit free sound system amplifier circuit diagram vr1 100k lin karaoke mixer circuit diagram 8 channel echo mixer circuit
2008 - echo mixer circuit diagram

Abstract: BU9253 karaoke mixer circuit diagram BU9262A analog ECHO microphone mixing circuit DIGITAL ECHO IC
Text: Description The Karaoke/Surround Digital Echo IC incorporates a digital delay circuit , an input/output mixing circuit , supporting Karaoke echo and surround system, all in a single chip. BU9253AS/FS has functions , original sound and echo sound 3) Echo mix ratio settable by DC voltage 4) Built-in amplifier circuit for , echo sound) 6) Built-in CR oscillation circuit BU9262AFS 1) Digital delay time : 8-stage setting from , =-10dBV, ECHO VR pin=VCC, MUTE pin=VCC, unless otherwise specified. Limits Parameter Symbol Min Circuit


Original
PDF BU9253AS/FS, BU9262AFS BU9253AS/FS BU9262AFS 131ms 375kHz) echo mixer circuit diagram BU9253 karaoke mixer circuit diagram BU9262A analog ECHO microphone mixing circuit DIGITAL ECHO IC
1995 - 8237 DMA Controller

Abstract: audio connector mpc-2 soundblaster programming intel 8237 operation Intel 8237 dma controller MPU-401 MIDI WAVETABLE DSP motherboard major problems & solutions mpc2 digital echo mic mixer with effect
Text: . . . . 16 5. CODEC MIXER FUNCTIONALITY , . . 18 6.2 SUPPORT FOR HOST-BASED ECHO CANCELLATION , . 7 ANALOG MIXER FUNCTIONALITY . . , COMPATIBLE MIXER I/O MAP . 12 WSS CODEC DIRECT MAPPED REGISTER INTERFACE , , games, and multimedia : · CD audio:CD-ROM audio with internal connections to Codec mixer · Telephony


Original
PDF
1997 - echo mixer circuit diagram

Abstract: PCB echo sound echo mixer circuit pdf of IC LM324 lm324 IC pin connection INTERNAL CIRCUIT DIAGRAM OF LM324 LM324 AUDIO OP AMP LM386 BLOCK DIAGRAM lm386 audio amplifier PCB diagram LM324 PIN circuit DIAGRAM
Text: I - Echo mixer input 15 NC - - No connection 16 NC - - No connection 17 NC - - No connection 18 MIXOUT O - Echo mixer output 19 , HT8665 Talking Back with Echo Features · · · · · · · · · · · · Recording capacity: 2, 4, 8, 16 seconds A built-in 2 stage microphone amplifier A built-in DRAM refresh circuit A , power supply: 4.5V~5.5V ADM algorithm Auto playback with an echo effect DRAM options: ­ 64K ­ 256K


Original
PDF HT8665 HT8665 256Kb) LM324 3900P 64K/256K echo mixer circuit diagram PCB echo sound echo mixer circuit pdf of IC LM324 lm324 IC pin connection INTERNAL CIRCUIT DIAGRAM OF LM324 LM324 AUDIO OP AMP LM386 BLOCK DIAGRAM lm386 audio amplifier PCB diagram LM324 PIN circuit DIAGRAM
Supplyframe Tracking Pixel