Video ICs
2-channel PRE / REC amplifier with auto-tracking interface
BA7180AS / BA7180AFS
The BA7180AS and BA7180AFS are PRE / REC
amplifiers developed for use in video cassette recorders.
They have been designed for use in two-head decks and feature built-in FB damping, two pre
amplifiers, a chroma output amplifier, an FM output amplifier (with AGC), an envelope detector, a constant-current BTL-drive REC amplifier (with AGC) and built-in channel and REC / PB switches on a single monolithic IC.
Applications • VCRs Features • 1) The playback amplifier has a total gain of 57dB (Typ.
), and has a low-noise preamplifier.
Designed for VHSband operation with low external parts count.
The ICs have 2 ...