Tektronix 492 - Page 124

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Maintenance—492/492P Service Vol. 1 (SN B030000 & up)
2072 MHz j*
CONVERTER(A18)
BIAS RETURN (A11)
TRANSFER
SWITCH (S I3)
1st
CONVERTER(A12)
SWITCHED
ATTENUATOR (AT10)
100 MHz OSC&
3rd CONVERTER
(A34)
POWER
DIVIDER (A 13)
110 MHz
IF AMPLIFIER
(A32)
FILTER SELECT
(S11)
FILTER SELECT
(S10)
PRESELECTOR
(FL12)
PHASEGATE
DETECTOR (24)
DIPLEXER (A 14)
DIRECTIONAL
& FILTER (FL16)
ATTENUATOR
(3 dB) (AT 12)
■ ■" S -f ?
” } B
■■Η
Fig. 4-6. RF deck of the B040000 and up version showing the major assemblies.
REV AUG 1981
4-11