CXA1878Q
CXA1878Q is Dolby B-C Type Noise Reduction System with Recording/Playback Equalizer Amplifier manufactured by Sony Semiconductor Solutions.
Dolby∗ B-C Type Noise Reduction System with Recording/Playback Equalizer Amplifier
Description The CXA1878Q is a bipolar IC with a built-in Dolby B-C type noise reduction system (NR), Dolby S type select switch, recording/playback equalizer, electronic volume, and bias control circuit. Use of this IC in bination with two CXA1417S/Q pletes a Dolby B-C-S type NR stereo system. Features
- Dolby B-C type NR
- Built-in filter required for recording/playback equalizer amplifiers
- Recording mute function (requiring only an external time constant circuit to implement soft mute)
- Fade in/out DC controllable
- NORM/Cr O2/METAL tape mode switching function
- NORM/HIGH tape speed switching function
- DC controllable for recording level calibration (approximately ±6d B variable)
- DC controllable for high frequency equalizer amplifier gain (approximately ±4d B variable)
- Playback deck A/B select switch
- Recording volume control
- Bias control circuit
- Meter circuit Applications Recording/playback equalizer amplifier for stereo analog cassette decks (Applicable to ALPS ELECTRIC CO., LTD. HADKH55 series heads) 64 pin QFP (Plastic)
Structure Bipolar silicon monolithic IC...
