NJM2775A Datasheet | New Japan Radio

.. PRELIMINARY s PACKAGE OUTLINE PRE&HI-POWER AMPLIFIER with ALC for PORTABLE TAPE RECORDER s GENERAL DESCRIPTION The NJM2775A is a pre&power amplifier with ALC designed for micro and pact cassette recorders. It contains pre-amplifier, ALC circuit, power amplifiers, and ripple filter. The pre-amplifier amplifies the signal e from magnetic head. The ALC circuit limits the input signal to optimize level in recording. The power amplifiers drive a speaker in play back and the magnetic head in recording. The ripple filter stabilizing the supply voltage to the internal pre-amplifier and an external condenser microphone. The NJM2775A improves high output power...