NX-800
101
LEVEL DIAGRAM
E1
K1
IC510
(ASIC)
4
Ω
Audio Frequency
AF VTVM
AF level obtained when the AF output level is adjusted for 4.00V/4
Ω
with the front panel AF VOL control. Measured with AF voltmeter
connected to the external speaker jack, receiving a –53dBm SSG
signal modulated at 1kHz, DEV. WIDE 3kHz (NARROW 1.5kHz).
–82.0dBm –82.0dBm
186mVrms
3
4
IC701
(RXAF SMF)
226mVrms
6
7
IC711
(RX SUM)
226mVrms
13
14
IC712
(EVOL)
VOL=20
96mVrms
1
4
IC715
(SP AMP)
W:354mVrms
N:177mVrms
W:198mVrms
N:99mVrms
W:198mVrms
N:99mVrms
1
3
IC712
(EVOL)
DEV, BAL
6
7
IC5
(VCO_MOD)
(TX VCO)
Q6
J701
4.00Vrms
IF AMP
IC201
CF
CF203
TX VCO
VCTCXO
19.2MHz
-2.5dBm
+17.5dBm
Drive AMP
Q10
Buff AMP
Q9
Drive AMP
Q101
Drive AMP
Q102
Final AMP
IC102
30W
6.5dBm
MOD
MB
DC
AMP
DC
AMP
PC
MP
SW
ANT Filter
D103,D106,
D216
DET
D108
ANT
Gate
bias
IC101
IC103
DET
D109
DET
D110