TEMIC Semiconductors U3501BM
Cordless Telephone Signal Processor
| Part No. | U3501BM |
|---|---|
| Datasheet | U3501BM Download |
| Manufacturer |  TEMIC Semiconductors |
| Description | Cordless Telephone Signal Processor |
| Buy | Stock & Price |
DESCRIPTION
Cordless telephone signal processor reduces the need for many external components.FEATURES
RF Receiver Part IF converter, FM demodulator, RSSI-digital information coding, transmit and receive part adjustable and mutable by serial bus, compander, pre-/ de-emphasis, scrambler with bypass function LF Part Microphone amplifier, earpiece amplifier, compander, preemphasis, deemphasis, scrambler, descrambler, digital power management, data management by FSK Application: CT1, CT1P, 900 MHz USA standard Package: SO28 Block Diagram MIXO IFIN1 IFIN2 DACO RECDC MIXIN MIXGND Á Á OSCILATOR 11.15MHz DIVI Switched Cap. Divider. IFAMP LOG LOIN RSSI ÎÎÎ ÎÎÎ RDEMO Demodulator LPF RGAIN ADJ DFIL RXO ETC LPF EXPANDER Scrambler frequency EXIN RECO2 RECOUT LOEXT RECO1 NC VBAT D/A FSK MODEM RXDAT TXDAT MIC1 BATD Battery low detector Scrambler frequency MIC MIC2 C INTBUS Serial D LPF Bus LPF TGAIN ADJ.2 Modem VCC TXO ÁÁÁ ÁÁÁ LIMITER MICO TGAIN PFIL COMPRESSOR ADJ.1 COIN GND CTC 12386 Figure 1. TELEFUNKEN Semiconductors Rev.
