About this manual
1-6 HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual
Glossary
Term Meaning
band-pass filter A circuit that allows a range of frequencies to pass and
attenuates all others.
comparator Commonly, a two input operational amplifier that gives an
output when one input exceeds the reference voltage of the
other input.
phase/frequency
detector
Any circuit or IC that gives a proportional output when a
phase or frequency shift is detected with respect to a reference
frequency.
Circuit reference designations
Abbreviation Designation
A Assembly
B Transducer—microphone, loudspeaker etc
C Capacitor
D Diode—small signal and power
E Heating device
F Protection device—fuse etc
G Generator—battery etc
H Signalling/indicating device—lamp, LED, buzzer etc
IC Integrated Circuit, thick film hybrid etc
J Jack socket
K Relay, key switch
L Inductor
M Indicating device—meter etc
PPlug
R Resistor
S Switch
T Transformer, common mode choke
TP Test Point
U Modem, Modulator
V Semiconductor (not including small signal and power diodes)
X Terminals
Z Quartz Crystal, Crystal Filter, Frequency Network
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