A
1
2
3
4
5
B
C
D
E
F
G
(No.RA073<Rev.001>) 2-2
2-2 (No.RA073<Rev.001>)
LEVEL DIAGRAM
RF (Center Frequency)
1st IF (49.95MHz)
AF (1kHz)
D310
ANT
D311
IC719
D312
C372 D313 C562
C548 Q502 C545
C521 IC500 C500 XF600 C663 Q604 C658 Q603 C653
IC706
IC902
C927
C975
IC903
SSI
RF AMP
MCF
IF AMP
IF AMP
IC600
RX VCO/PLL
C977
IC912
IC906
IC911
EXT SP (KES-5)
To make measurements in the AF section, connect the AC level meter.
(ANT input: –53dBm, 1kHz FM, 3kHz DEV (Wide). SP output: 12W@4ohm Load)
In the RF section, use 1000pF coupling capacitor.
(The display shows the SSG input value required to obtain 12dB SINAD.)
AF
AF (1kHz)
(1kHz)
RF (Center Frequency)
IC902
IC706
IC902
ANT
L134
C150
Q107
C189
L135
C304
IC301
C317
Q301
C328
IC302/303
C353/354
C372
MIC
SSI
SSI
To PLL IC
* Transmit frequency : 155MHz
LPF
ANT
SW
BPF BPF BPF
IF
IC
MPU/DSP
CODEC
-122dBm
-123dBm
-124dBm
-114dBm
-116dBm
-119dBm
-106dBm
-113.5dBm
195mVrms
CODEC
MPU
/DSP
CODEC
VCO
Coupler Drive
Final LPF
ANT
SW
5mVrms 0.35dBm
0dBm
14dBm
24dBm
51.0dBm
110W
VOL
SW
EVOL=14mVrms
345mVrms
50.8dBm
Pre-
Drive
115.2mVrms
Receiver Section
Transmitter Section
Содержание NX-5700HB
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