Motorola R-20010 Maintenance Manual page 256

SPEC
AKA
VERT
SIG
STRENGTH
VOLT
( 17)
(19)
Figure 10-/c. Lcgarithmic Amplifier - Block Diagram
LOGGING
AMPLIFIER
0204
BFO
FREO
CNTL
FROM
If AMPL
0310
0311
0311'
0317
~~l
______
JL-r------------1------------,
CR314
CR315
0307
RECEIVER BOARD
LOGARITHMIC AMPLIFIER
Rgure 10-1 c. Block Diagram
FM/ SSB/ WB SIGNAI:PRESENT
DETECTORS
Flf}ure 10-1 d. Block Diagram
(Sheet 3 of 4)
0315
0313
031'
COUNTER
0\JTPUT
SHECT
~----------~ ~~cw
FM
(65) lf/ BFO
- FREO
(57) WIOEBANO
~-------------------
SIG PRES
""""
Figure /0-/d. FMISSB/ IVB Signal-Present Detectors - Block Diagram
10-9