Archive for April, 2008
TCA440 datasheet specification
TCA440 is a AM receiver circuit for LW, MW and SW in battery and line operated radio receivers. It includes an RF prestage with AGC, a balanced mixer, separate oscillator and a IF amplifier with AGC.
For use in high quality radio sets the TDA4001 should be preferred to the TCA 440.
TCA440 specifications - TCA [...]
TDA1054 datasheet
TDA1054M is produced by SGS Thomson and is a preamplifier with ALC ( Automatic Level Control ) for cassette recorders.
TDA 1054M is a monolithic integrated circuit in a 16-lead dual in-line plastic package. The functions incorporated are:
- Low noise preamplifier
- Automatic Level Constrol system ALC
- High gain equalization amplifier
- Supply voltage rejection facility SVRF
TDA1054 is [...]
Audio compressor
This is a dynamic audio compressor which output a constant audio level and can be used for transmitters. It uses a preamplifier with TDA 1054 produced by SGS-ATES. IC1a is a preamplifier stage with a total gain of 50 (1 + R5/R4). IC1b is connected as a amplifier stage with a 400x gain (1 + [...]
