5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
HF PROJECTS
SSB
RF
PSU
IPS
TX
A B C D
E
F G H
Rear
Panel
T/R RELAYS ACTIVATED
HOLD TIME
INTELLIGENT POWER SWITCH ON
DC-DC CONVERTER ON
TURN ON
A - 0 MS
B - 5 MS
C - 10 MS
D - 15 MS
TURN OFF
E - 0 MS
F - 500 MS
G - 5 MS
H - 10 MS
+
DC IN
CON
-
R24 10K Q7 2N5089 D1 1N4148 R23 10K U7 AUIR3320S
J7 2-pin conn R9 2.7K
HFPAV4R5
0
PSU HFPAV4R5
B
3
3
Wednesday, May 15, 2013
Title
Size
Document Number
Rev
Date:
Sheet
of
VSW2
IPS
SW_VOLTS
PSU
VCC
+12V
H1
1
2
SW1
SW SPST
1
2
D5
RL251
CB1
+
C21
330uF
L4 50 uH
R14
1K
Q4
2N5089
U5
IPS511S
1
2
3
4
5
GROUND
IN
VC
C
DG
OUT
+
C17
1uF
D4
MBR1060G
3
1
U4
LT1270A
1
2
3
4
5
VC
FB
GND
VSW
VIN
R20
1K
+
C15
100uF
Q5
2N5089
R19
4.7K
R15
1K
R17
4.7K
R13
27K
R16
1.2K
F1
MICROSMD075F-2
C22
.1uF
+
C16
330uF
H2
1
2
Summary of Contents for PackerAmp V4
Page 65: ...APPENDIX A www hfprojects com vstamps comcast net 281 467 9424 ...
Page 76: ......