NX-800
101
LEVEL DIAGRAM
E1 K1
IC510
(ASIC)

4Ω

Audio Frequency
AF VTVM
AF level obtained when the AF output level is adjusted for 4.00V/4Ω
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
34
IC701
(RXAF SMF)
226mVrms
67
IC711
(RX SUM)
226mVrms
13 14
IC712
(EVOL)
VOL=20
96mVrms
14
IC715
(SP AMP)
W:354mVrms
N:177mVrms
W:198mVrms
N:99mVrms
W:198mVrms
N:99mVrms
13
IC712
(EVOL)
DEV, BAL
67
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
30W6.5dBm
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