4
-
42
CR3303
R3306
R3324
2.2K
220
NU
1K
R3320
R3311
NU
2.2pF
10
C3305
.022uF
C3318
C3321
C3311
330pF
C3324
150pF
33pF
Q3301
1K
R3319
NU
470nH
L3304
20pF
C3303
100K
R3317
10
R3314
R3316
300
100K
R3303
C3308
22pF
330pF
C3335
C3338
RX_IN_1_FE
470pF
150nH
L3309
R3321
C3307
150
100pF
39pF
C3317
12nH
L3303
150pF
C3313
RX_IN
R5
C3332
RX_INJ_1_FE
L3301
39pF
C3314
12nH
6.8pF
C3339
NU
10pF
33K
R3307
82pF
C3320
D3302
0.1uF
C3309
100pF
C3323
SH3303
SHIELD
SHIELD
SH3302
SHIELD
SHIELD
SH3301
SHIELD
SHIELD
22
R3313
C3312
L3308
16pF
C3315
10nH
L3306
10pF
12nH
33nH
L3312
.022uF
C3337
R3309
C3304
5.6K
C3331
150pF
C3330
100pF
100pF
0.1uF
C3326
NU
1000pF
C3325
330pF
C3327
CR3301
2
3
4
1
C3319
NU
0.1uF
C3306
330
R3315
C3334
L3305
20pF
12nH
DACRx
IF
C3322
100pF
NU
R3312
R5_2_FE
R5_3_FE
R3301
R3322
33K
NU
R3323
220
18
C3316
RSSI_1_FE
DACRx_1_FE
3.3pF
2
IF_1_FE
XFMR
T3302
4
6
3
1
C3329
330pF
C3301
RX_INJ
RSSI
5.6pF
C3310
NU
1pF
100K
R3304
D3301
2.4K
R3308
C3302
T3301
XFMR
4
6
3
1
2
150pF
SMBV1032
CR3302
Q3302
10K
R3310
TP3301
470
R3318
UNSWB_PLUS_1_RX
UNSWB+
C3336
10uF
UNSWB_PLUS_2_RX
2.7V
R3305
68K
RT3301
33K
NU
0.7 - 5V
136 - 174MHz
1.9V @ -47dBm at Ant. Conn
0,3V @ no input at Ant. Conn
20mV
400mV w. RF Vltmtr
-16dBm @50‰
ZMY0130321-O
Figure 4-26.
VHF (136-174MHz) Receiver Front End Schematic Diagram