HF PackerAmp V4 Manuals

Manuals and User Guides for HF PackerAmp V4. We have 1 HF PackerAmp V4 manual available for free PDF download: Construction Manual

HF PackerAmp V4 Construction Manual

HF PackerAmp V4 Construction Manual (76 pages)

Brand: HF | Category: Amplifier | Size: 5 MB

Table of Contents

Table of Contents
2
Circuit Details
5
Performance
6
Terms Used in the Descriptions
6
Preparation
7
Construction Techniques
7
Good Soldering Technique
7
Suggested Tools
8
Included Speciality Tools
8
Component Installation
8
Care of the IRF-510 Mosfet's
9
Other Construction Notes
9
Section Two - Amplifier Module Construction
10
Assembly Steps
10
Spacer Assembly
12
Fabrication and Assembly of T2
13
Fabrication and Assembly of T3
14
Fabrication and Assembly of L1 and L3
14
Fabrication and Assembly of L2
15
Assembly of RFM2
15
Clean and Inspect the Board
16
Section 3 - Low Pass Filter Module Assembly
17
Organize for Assembly
17
Install Relays and Diodes
17
Capacitor Assembly
17
Core Winding Table
18
Core Winding Technique
18
Core Installation
19
Switch Assembly
19
Connector Assembly
19
In-Circuit Tuning Adjustments
20
Selector Switch Stop Pins Installation
20
Section 4 - Case and Chassis Assemblies
23
Case Preparation
23
Heat Sink Assembly
23
RF Input Cable
23
RF Output Cable
24
Low Pass Filter Input Cable Fabrication
25
Low Pass Filter Output Cable Fabrication
26
On/Bypass Switch and LED Wiring
27
Power Pole Physical Installation
28
Power Wiring Connections
29
Install Rear Panel Power Switch
29
Install Wiring for Power
29
THERMASIL III with Adhesive Back
30
IRF510 MOSFET Lead Bend
30
MOSFET Attachment to the Circuit Board
31
Circuit Board and Case Assembly Procedure
31
MOSFET Alignment over Heat Sink Holes
31
LT1270A, U4 Attachment to the Heat Sink
32
PINET 100-PI Option Module
33
100-PI Assembly
33
100-PI Cable Fabrication
33
Attach the Model PI-100 Module
35
Cable Connections on the Model PI-100 Module
35
Set the Jumper at the 3-Pin Header J3 on the PI-100 Module
35
100-PI Theory of Operation
36
Section Five - Adjustment and Testing
37
Ohmmeter Test
37
Basic Current Test
37
RF Signal Testing
38
DC Current Test and Bias Adjustment
38
Voltage Test
38
LPF RF Testing
39
LT1270ACT Alert Notice
39
RF Power Testing
40
PTT Connections FLEX 1500 and FT817
41
Section SIX - Specifications and Operation
42
Specifications
42
Operation
42
Do's and Don'ts for Successful Operation
43
Maintenance Issues
43
CW/SSB Auto Selection
43
Section 7 Theory of Operation and Troubleshooting
44
Power Supply Unit
44
Power Input
44
Reverse Voltage Protection
44
DC-DC Converter, U4
45
Timing Sequence of Control Signals
45
U4 Control
46
Fully Protected High Side Power MOSFET Switch, U5
46
Control Hfpa 10
46
Big Picture
46
K2, K3 and J4
46
TX Signal Generation
47
PTT Control
47
CW or SSB Option
47
TEST Jumper, H3
47
FAN Option J6
48
5V Regulator
48

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