Rf Section Mnemonic Table - HP 8560A Service Manual

Table 11-4 lists the RF Section mnemonics shown in Figure 11-5 and provides a brief
description of each.
Mnemonic
MAIN COIL+, MAIN COIL-
FM+, FM-
LO SENSE
LEVEL ADJUST
GATE BIAS
XMX
SID
PIN DIODE SWITCH
RFGAIN
RFGAIN 1 and RFGAIN 2
Table 11-4. RF Section Mnemonic Table
YTO Main Coil Tune Signal
YTO FM Coil Tune Signal
LO Amplitude Sense Voltage
LO Amplitude Adjustment Voltage (PIN ATTEN)
LODA Gate Bias Voltage
External Mixer; +lZV=EXT MIX
SIG ID Oscillator ON +12V=SIG ID OFF
PIN Diode Switch Control For 2ND Conv. IF Output
Voltage to Control Gain of Flatness Comp. Amps.
Currents to Drive PIN Diodes in Flatness Comp. Amps.
to Attenuate Position (Active Low)
Control Lines to Set Attenuator Sections A, B, C, and D
to Attenuate Position (Active High)
Description
RF Section 1 I-17