Level Diagram - Kenwood TK-8180 Service Manual Supplement

TK-8180
Receiver Section
–119.5dBm
ANT HPF
Transmitter Section
W : 5.0mVrms
N : 6.3mVrms
MIC
50

LEVEL DIAGRAM

Radio Frequency
–122.0dBm –112.0dBm
BPF
Q103
W : 5.0mVrms W : 72.5mVrms
N : 6.3mVrms N : 91.3mVrms
IC414 IC413
2 1 12
MIC input : 3kHz DEV. (Wide), 1.5kHz DEV. (Narrow) at 1kHz MOD.
Transmitting frequency : Center frequency
L173 L176
IC171
W : 72.5mVrms W : 340mVrms
N : 91.3mVrms N : 180mVrms
IC415
14 2 6
44.85MHz
–117.0dBm –118.5dBm –109.5dBm
XF171 XF171
Q171
(1/2) (2/2)
SG input level for 12dB SINAD are
connecting SG to each point via a
TX-RX unit (B/3)
W : 140mVrms
N : 70mVrms
IC410 IC412
4 3 2
W
N
–105.5dBm
–108.0dBm
Q172
W : 96mVrms
N : 48mVrms
Q307
1
TX
VCO