Ten-Tec R4020 - Schematic Diagram

1 2 3 4 5 6 78
A B C D
8
7654321
D
C B A
Title
Number RevisionSize
A3
Date: 8-Aug-2009 Sheet of File: D:\HAM\HB-1A\HB-1A3B.SCH Drawn By:
2009-08-05
HB-1A 3 Band CW QRP Transceiver
HB-1A3
R8 10
R6 1K
C23
0.1
C21 0.1
C26 470uF
1 2 3 4 5
6 7 8
IC3 LM386
1 2 3 4 5
6 7 8
IC2 NE602
C24
100uF
AF GAIN 1K
X5
C16 220P
C15 100P
CE 10-50P
C20 0.1
C17 0.01
J1
POWER
S1
C22 0.01
Demodulation
Audio amplification
R7 4.7K
C57 1000P
C18 68P
L3 47uH
C56 1500P
C19 0.1
Q5 2N7000
ANT
R2 33
10K
L1 15uH
J3
PHONE
R28 1K
C55 220P
L7 0.6uH
L8
0.5uH
C46 0.1
Q8 4401
Q9 1162
R34 33 R33 10
R29 10
C6 0.01
C53 470P
C50 470uF
C49 0.1
C51 0.1
+V
C52 150P
C54 56P
C45 0.1
L6 10uH
D8 43V
R11 1K
Q1 3904
1
2
3
45
6
7
8
IC1 NE602
Q6 J309
D2 5818
C5 0.01
Q7 3904
R32
10
R31 22K
R30 220
TX Part
C44 0.01
Q3 3904
RDI 100
K1a K1b
D3
D1 5818
1 2
J2
BAT
R20 10K
Q10 3904
6V
6V
6V
L2 47uH
C14 10uF
C25 10uF
78L06 78L05
5V
6V
RC0 RC2 RA4
REFOUT
1
COMP
3
AVDD
4
DVDD
5
CAP
6
DGND
7
MCLK
8
FSEL
9
FSADJ
1
FSEL
10
IOUTB
20
IOUT
19
AGND
18
VIN
17
S-OUT
16
FSYNC
15
SCLK
14
SDATA
13
SLEEP
12
RESET
11
IC6 AD9834
C40 0.1 R26 4.7K
R27 220
C59 10uF
2 1 3
4
X7
+5V
L5 4.7uH
L4 2.2uH
C43 22P
C42 100P
C41 39P
C36
0.01
C39 0.1
R15 10K
5V
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16
+5V
LCD1602
RB1 RB2 RB3 RB4 RB5 RB6 RB7
RB0/INT
VDD VSS RC6 RC7
RC5/SDO
RC4
MCLR/VPP RA0 RA1 RA2 RA3 RA4 RA5 VSS OSC1/CLKIN RC0 RC1 RC2 RC3 OSC2/CLKOUT
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
16 17 18 19 20 21 22 23 24 25 26 27 28
IC4 PIC16F73
S2
R17 1K
S4
RC1 RC2
RA3 RA2 RA1 RA0
C65 470uF
X6
4MHz
5V
D7
12V
TX
J4
KEY
S3
1 2 3 4 5
6 7 8
IC7 12F629
C10 0.01
R13
1K
R12
22K
1 2 3 4 5
6 7 8
IC5 93C46B
C35 0.01
RA4 RC2 RC3
5V
5V
R4 51K
6V-2
R14 1K
R19 2.4K
R16 4.7K
R24 22K R25 2.2K
D5
C48 0.1
C27 0.1
C28 0.01
K1
+V
PUSH
DAIL
C30 0.01
C29 0.01
C31 10uF
C32 10uF
C8 0.01
C9 0.1
C38 0.01
OSC
OSC
C33 10uF
TX
TEST
TEST
+V
S2
S2 S4
S4 PUSH UP DN
UP DN
PUSH
KEY
KEY
MUTE
TONE
MUTE
MUTE
AGC
AGC
TONE
S/M
S/M
POW(RA1)
V/T(RA0)
ATT
5V
R3 2.2K
R43 2.2M
R23 1K
C58 0.1
D4
R5 4.7K
+4.5V
C47
1000P
R22 22K
D6
Mixers
X2 X1
R1 2.4K
X3
D12 D13 D14
R39 47K R40 47K R41 47K
R42 47K
C7 0.01
R37 51K
D10 D11
C4 0.01
R36 51K
R38 1K
OUTA
C2 0.01
C3 0.01
C37 15p
C1 1000P
T1
R35 33
1 2 3 4 5
6 7 8
IC8
MAX522
C34 0.1
RA4
RC2 RC7
6V
5V
OUTA OUTB
OUTB
R18 220
R21 4.7K
S5
S5
ATT
S5
Q2 3904
Q4 2N7000
R45 10
T2T3
C12 1000P
C11
1000P
C60 0.1
Q11
2N7000
Q12 3904
R9 4.7K
MUTE
X4
L9 100uH
C61 10p
R10 100K
C13 0.1
R44 33
BD4RG
DDS
Keyer
MCU