Kirisun TM840 Service Manual

TM840 Service Manual
Figure5 TM840 400-470MHz Mainboard Schematic Diagram
61
VSWR Check
High
Temperature
Protection
PIN
VGG VDD
POUT
TD.
DATA
STK
CLK
DAC
LPF
LPF
AMP
TX/RX SWITCH
TX
RX
AMP
LPF
AMP
LPF
BPF
BPF
IF Filter
MIXER
PAC
GAIN: 12dB
AMP
AMP
GAIN: 12dB
Match
Match
IF AMP
GAIN: 20dB
AMP
ATTENUATOR
ATTENUATOR
ATTENUATOR
ATTENUATOR
D
C
MOD-H
MOD-L
VCO_RX_L
VCO_RX_H
VCO_TX_L
VCO_TX_H
ANT
Coupler
LPF
PDF:6.4M
BW: 3K
LPF_SW
-5 dBm -10 dBm
18dBm
20 dBm
GAIN: 24dB
7dBm
5 dBm
C
GAIN: 30dB
P1dB:20.5 dBm
P1dB:47.5 dBm
S21 :0.3dB
S21 :0.5dB
S21 :0.2dB
Pout_max :46.5dBm
RX: -120dBm
RX: -122dBm
RX: -105dBm
RXLO1 :15dBm
VDD: 12.5V
-10 dBm
-5 dBm
RX: -102dBm
2SC3356
2SC3356
2SC3356
2SC3356
2SC3356
2SC3356
GV-63
GV-84
TY5614
19.2M
SKY72310
OMAPL138
HVC131
PGA-103
2SC3356
AD9864
GV-63

Kirisun TM840 Specifications

General

Brand	Kirisun
Model	TM840
Category	Radio
Language	English