Level Diagram; Receiver Section; Transmitter Section - Kenwood TK-7180 Service Manual

TK-7180

Receiver Section

–120.0dBm
ANT BPF

Transmitter Section

W : 5.0mVrms
N : 6.3mVrms
MIC
72

LEVEL DIAGRAM

Radio Frequency
–122.0dBm –109.0dBm
BPF ATT
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
–117.0dBm –118.5dBm
L173 L176
IC171
W : 72.5mVrms W : 340mVrms
N : 91.3mVrms N : 180mVrms
IC415
14 2 6
44.85MHz
–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 1
W
N
–105.5dBm
–108.0dBm
Q172
W : 173mVrms
N : 86mVrms
Q307
TX
VCO