Tait TB8100 - Figure 2.16 Identifying the Circuitry on the RF Board - H Band

TB8100 Service Manual Reciter Circuit Description 65
© Tait Electronics Limited September 2006
Figure 2.16 Identifying the circuitry on the RF board - H band
b
external reference input
c
mixer and post-mixer buffer
d
receiver VCO
e
receiver VCO trimmer
f
IF tuning elements
g
receiver synthesizer
h
IF
i
TCXO
j
audio buffers
1)
exciter VCO
1!
exciter VCO trimmer
1@
exciter synthesizer
1#
exciter RF output
1$
FCL
1%
FCL buffers
1^
power supply
1&
external reference switch/internal VCXO reference
1*
AGC
1(
front end 1
2)
front end first helicals
2!
front end 2
2@
front end second helicals
2#
receiver RF input
Note:
In order to show as much of the circuitry as possible in the
photograph, the SMD shields have been removed.
b
c
d
e
f
g
h
1$
1^
1&
1*
1(
2)
2!
2@
i
j
1)
1!
1@
1#
1%
2#