auto dialling circuit

Abstract: SA2532UP SA2532 SA2532A melody generator DR-00708
Contextual Info: SA2532 sames SA2532 A/C/U VERSATILE SINGLE CHIP TELEPHONE FEATURES n Speech circuit, LD/MF Dialler and Tone Ringer on one 28 pin CMOS chip n Soft clip to avoid harsh distortion n Line Loss Compensation selectable by pin option n Power down mode n Versatile applications for different PTT

10N330K

Abstract: g300 rev 2.0 differential amplifier 2n5551 bc327 b 011 ear clip pulse monitor 1N4148 2N5551 BC327 BC547B BSS92
Contextual Info: sames SA2532P ONE MEMORY SINGLE CHIP TELEPHONE Key Features • • • • • • • • • • • • • • • • Speech Circuit, LD/MF Dialler and Tone Ringer on one 28 pin CMOS chip Low Noise 31 digit Last Number Redial Line Loss Compensation selectable by pin

auto dialling circuit

Abstract: ear clip pulse monitor 1N4004 BSS92 SA2532K SA2532KA SA2532KB SINGLE CHIP TELEPHONE differential amplifier 2n5551 Eland
Contextual Info: sames SA2532KA/B SINGLE CHIP TELEPHONE FOR INDIA Key Features • • • • • • • • • • • • • • • • Speech Circuit, LD/MF Dialler and Tone Ringer on one 28 pin CMOS chip Low Noise 31 digit Last Number Redial Line Loss Compensation selectable by pin

Contextual Info: SA2532KA/B sames SINGLE CHIP TELEPHONE FOR INDIA Key Features • • • • • • • • • • • • • • • • Speech Circuit, LD/MF Dialler and Tone Ringer on one 28 pin CMOS chip Low Noise 31 digit Last Number Redial Line Loss Compensation selectable by pin

150v varistor

Abstract: telephone line interface circuit bc517 c32725 dual transistor 6 pin SMD Z2 EMC SMD MICROPHONE pin configuration pnp smd transistor BC557 MPSA92 168 BC547 45V 100mA NPN Transistor QMPSA92 smd diode code 1_b
Contextual Info: 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 with India’s Department of Telecommunication DOT Specification for the Electronic Telephone Instruments. This

G312AM

Abstract: 1420Hz
Contextual Info: BACK SA2532 sames SA2532 A/C/U VERSATILE SINGLE CHIP TELEPHONE FEATURES n Speech circuit, LD/MF Dialler and Tone Ringer on one 28 pin CMOS chip n Soft clip to avoid harsh distortion n Line Loss Compensation selectable by pin option n Power down mode n Versatile applications for different PTT

74138 decoder

Abstract: 74138 74138 3 to 8 decoder 40af interfacing 8051 4066 74138 logic circuit 75F003 AN3010 MT 7930 AS253X
Contextual Info: sames SAN3010 APPLICATION NOTE SINGLE CHIP TELEPHONE INTERFACE FOR KEYBOARD ENTRY VIA uC 1 Scope This application note describes a simple interface for keyboard entry to the SA253x family via a Microcontroller. It also includes hardware description , flowchart and a software example based on the 80Cxx - family of

on line ups circuit schematic diagram

Abstract: AN3020 SA2531 SA2532 SAN3020
Contextual Info: sames SAN3020 APPLICATION NOTE SINGLE CHIP TELEPHONE POWER EXTRACTION FOR EXTERNAL LOADS 1 Scope This application note describes a simple add-on circuit for extracting current to supply external loads. It also includes hardware description ,schematic and Vout/Iout curves.

balanced microphone schematic

Abstract: dynamic microphone Amplifier with transistor bc549 microphone using amplifier electret microphone piezo electret microphone microphone electret BC549 CONNECTION transistor BC 547B micro electret
Contextual Info: sames SAN3021 APPLICATION NOTE SA2531/2 Single Chip Telephone: Using dynamic microphone as tone ringer 1 Scope This Application Note describes how to modify the standard application AN1500A to use a dynamic microphone instead of the standard electret microphone. Additionally, an application is shown, which uses the dynamic

Contextual Info: HOME La Lb PRINT Line Interface FIND Hook Switch HT0640 TOPIC Single Chip Telephone Example Line Current Sense BJT Ear Piece Soft Clip Microphone Speaker Melody Sequencer Ring Frequency Discrimination Control Logic Key Pad Osc Ram Dialler Micro Controller

SCT 280

Abstract: keypad 4x4 SA5893 SA5883 keypad 4x6 matrix melody generator SA5873 SA1510
Contextual Info: Memory Melody Generator Ring Freq. Dis Pause Function Mute Function LD/MF Switch Receive Vol Control On Chip MF Filter LLC Soft Clipping Lock Function 20 DIP / 20 SOIC None Moving Cursor n/a n/a Infinite 1 key 100 600 No Yes n/a n/a n/a n/a No 4x4 14 keys