ITEM MATERIAL: (1) PRINTED WIRING BOARD; (2) CONNECTORS; (1) MICROCIRCUIT; (3) DIODES; (3) TRANSISTORS; (19) RESISTORS; (1) THERMISTOR; (20) CAPACITORS; (4) COILS; (1) TRANSFORMERS
ITEM FUNCTION: INSTALLED IN THE RECEIVER ASSY, WHICH AMPLIFIES LOW LEVEL INTERROGATIONS AND PROVIDES AN INVERTED LOG VIDEO SIGNAL, ON-CHANNEL FREQUENCY DISCRIMINATION, AND AGR UNDER INTERROGATION OVERLOAD OR CW INTERFERENCE.