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TDA7515 - RF-FRONTEND

General Description

The frontend is a high performance tuner circuit for 1 BLOCK DIAGRAM optional 2 2 AGC ADJ 2 IF 10.7MHz 2 FM PM AGC DAGC I Q 2 AGC TV1 2 AM PM Bus Interface TV2 Supply 1/4 1/8 DIV 1/6 1/10 :1/:2/:3 VCO LPOUT PLL REFDIV LPAM LPFM LPHC Fref 18/100kHz 00AT0037 July 2002 This is preli

Key Features

  • s s s High performance fast PLL for RDS-system Electronic alignment for the preselection stages All functions bus-controlled AM/FM - DSP carradios with 10.7MHz - IF sampling. It contains mixer and IF amplifiers for AM and FM, VCO and PLL synthesizer on a single chip. Use of BICMOS technology allows the implementation of several tuning functions and a minimum of external components.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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TDA7515 RF-FRONTEND FOR AM/FM-DSP-CARRADIOS WITH IF SAMPLING PRODUCT PREVIEW s s s s s RF AGC generation by RF and IF detection I/Q Mixer for FM IF 10.7MHz with image rejection and programmable IF tank adjust for FM and AM Preamplifier and mixer for IF 10.7MHz AM upconversion VCO and programmable divider for “world receiver” Programmable controlled IF-gain stage TQFP44 ORDERING NUMBER: TDA7515 Additional features: s s s High performance fast PLL for RDS-system Electronic alignment for the preselection stages All functions bus-controlled AM/FM - DSP carradios with 10.7MHz - IF sampling. It contains mixer and IF amplifiers for AM and FM, VCO and PLL synthesizer on a single chip.