rfx75 Schematic Rev4
rfx75 Schematic Rev4
rfx75 Schematic Rev4
8V TRANSMIT SOURCE
1 1
R3 R2
D D
C7 3.3K or 4.7K
.01 3.3K or 4.7K
(see note) (see note)
INPUT (YELLOW)
2
C6 C8
FET1 1000 pF
2
1 1 1
ERF2030 DM19
1 FET2 L2
1500pF ERF7530
1
3T5*2
1
1
3
1
R1
+
+
U1 U2
3
n /u
EN1230 EN1230
1
-
-
COAX GROUND C16
2
C C
1
L5
2
2
1 COIL4T5
2
1
0 0 0 C2 100pF
DRIVER VOLTAGE 0 0
2
1000pF
DM19
1 1 2 OUTPUT
0 L4 L3 L1 (RED)
3T5 3T5 8T5 1 1
2 1 2 1
2 1 2 1 2 1
C5
OUTPUT GROUND
.01
C12
C9 C4 C3
D5 C15 150pF C10
+ 680pF 100pF
.01 100pF
1
DM19
MBR 1µF
160G 50V
1
B B
0 C1 C11
C19 C14 .01 .01
0 0 0 0 0 0.5pF 0
RX 18pF
C21
1
S-METER 1
1
1
D3 0 0
DCRTN 13VDC 1 .01
1
1N4148 D2 D1