AN6344 VTR Cylinder Servo Control Circuit DIP-28

From the shop's description

Outline The AN6344 is an integrated circuit designed for VTR’s cylinder servo control Features : The functions consist of: Phase control circuit Speed control circuit Control pass(CTL) recording playback amplifier circuit Capstan PG amplifier circuit Sample hold system speed control Incorporating recording, playback switching circuit Supply voltage either 9V or 12V Block Diagram Specifications: AN6344 Datasheet