©2005 Hamtronics, Inc.; Hilton NY; USA. All rights reserved. Hamtronics is a registered trademark. Revised: 5/17/05
- Page 7 -
PARTS LIST FOR R302
RECEIVER.
☞
Note: Values which vary with freq. band
are shown in a table at the end of the parts list.
Resistors and capacitors are 805 smt type
unless noted otherwise.
0
Caution: IC’s are static sensitive. Use
appropriate handling precautions to avoid dam-
age.
Ref Desig Value (marking)
C1
1 µf electrolytic
C2 100pf
C3 0.1µf
C4 not
assigned
C5 0.1µf
C6 100µf
electrolytic
C7 not
assigned
C8 0.1µf
C9 100µf
electrolytic
C10 0.15µf
mylar
(red)
C11 .01µf
C12 .001uf
C13 2pf
C14 100µf
electrolytic
C15 0.1µf
C19 100µf
electrolytic
C22 4pf
C26 .001µf
C30 not
assigned
C32 0.5pf
C34 not
used
C36 4pf
C40 .01µf
C41 5pf
C42 6pf
C43 5pf
C44 0.47µf
electrolytic
C45 0.1µf
C46-C47 .001uf
C48 0.1µf
C49-C50 .01µf
C51 220µf
electrolytic
C52 10µf
electrolytic
C53 1µf
electrolytic
C54 100µf
electrolytic
C55 .001µf
C56 220pf
C57 68pf
C58-C60 0.1µf
D1
BB132 varactor diode
D2-D4
MMBT3904 (used as diode)
FL1-FL4
10.7MHz crystal filter
(matched set of 4)
FL5 455kHz
ceramic
filter
J1 RCA
Jack
L2
0.33µH RF choke
(red-sil-orn-orn)
L3-L8
2½ t. ,slug tuned (red)
L9
0.33µH RF choke
(red-sil-orn-orn)
Q1-Q2 MSC3130
Q3 MMBT3904
Q4-Q5
BF998 MOS FET
Q6 MMBT3904
R1 180
Ω
R2 2.2K
R3 2
Meg
R4 27
Ω
R5 10K
R6 47K
R7-R8
2.2K
R9 10K
R10 6.8K
R11 3.9K
R12 180
Ω
R13 47
Ω
R14 15K
R15 470
Ω
R16 3.9meg
R17-R18 100K
R19 47K
R20 330K
R21 15K
R22 47K
R23
100K panel mount pot.
R24 68K
R25 100K
R26 47K
R27 510K
R28 4.7K
R29 680
Ω
R30 1K
R31 22K
R32
100K panel mount pot.
R33-R34 not
assigned
R35 47K
R36 100K
R37 2Meg
R38 27
Ω
R39 100
Ω
R40-R42 27
Ω
S1
11 pos. DIP switch
T1
10.7MHz IF xfmr
(7A-691F)
T2
455kHz IF xfmr
(T1003)
T3
10.7MHz IF xfmr
(7A-691F)
U1
0
MC68HC705J1A
µP
U2
0
LMX1501A
PLL
U3
0
10.240 MHz TCXO
U4 MC3361BP
IF
ampl
U5 LM386N-1
AF
output
U6 78L08ACD
regulator
U7 78L05ACD
regulator
Y1
10.245 MHz crystal
VALUES WHICH VARY WITH
FREQUENCY BAND:
R302-2 is 144.000 - 154.235 MHz
R302-3 is 154.200 - 164.435 MHz
R302-4 is 164.400 - 174.635 MHz
R302-5 is 216.000 - 226.235 MHz
R302-6 is 220.000 - 230.235 MHz
Ref Desig
-2
-3
-4
-5/-6
C16 10
C17,
C18 .001 .001 .001 390
C20 12
C21 68
C23
.001 .001 .001 390
C24 27
C25 62
C27
.001 .001 .001 390
C28 27
C29 68
C31 20
C33 20
C35 18
C37 27
C38 82
C39 1
L1 2½T
(red)
2½T
(red)
2½T
(red)
1½T
(brn)