Kenwood TK-7180 - KO4BB's Home Page
Kenwood TK-7180 - KO4BB's Home Page
Kenwood TK-7180 - KO4BB's Home Page
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LEVEL DIAGRAM<br />
<strong>TK</strong>-<strong>7180</strong><br />
455kHz<br />
Audio Frequency<br />
05.5dBm<br />
W: –83.5dBm<br />
N: –83.0dBm<br />
CF171/<br />
CF172<br />
W: –86.0dBm<br />
N: –86.0dBm<br />
.0dBm<br />
3 5<br />
200mVrms<br />
315mVrms 190mVrms 88mVrms 4.00Vrms<br />
IC172<br />
IC412<br />
IC413<br />
IC415<br />
IC410<br />
IC417<br />
16<br />
9<br />
6 7<br />
1 15<br />
5 26<br />
16 15<br />
1 5<br />
72<br />
J401<br />
4Ω<br />
SINAD are obtained Measured by<br />
point via a 0.01µF capacitor.<br />
AF VTVM<br />
AF level obtained when the AF output level is adjusted for 4.00V/4Ω<br />
with the front panel AF VOL control. Measured with AF voltmeter<br />
connected to the external speaker jack, receiving a –53dBm SSG<br />
signal modulated at 1kHz, DEV. WIDE 3kHz (NARROW 1.5kHz).<br />
Power module<br />
TX-RX unit<br />
(B/3)<br />
173mVrms<br />
86mVrms<br />
–1dBm<br />
–1.5dBm +7dBm +16dBm 30W<br />
Q307<br />
IC1<br />
TX<br />
VCO<br />
Q313<br />
Q1<br />
Q2<br />
1 4<br />
ANT<br />
Wattmeter by 50Ω<br />
73
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