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Ramsey Electronics FX Series - Page 50
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D11,D12
6.2 V Zener
RS276-561
VR1
7808
ECG964, SK3630 or RE
VR2
7805
RS276-1770
U1
MC13135
RE or Motorola
U2
LM380
ECG740A, SK3328 or RE
U3
UPB569
RE
U4
LM324
RS276-1711
U5
LM358
ECG928, SK3691 or RE
U6
MC145152
RE or Motorola
49
51
Table of Contents
Main Page
Table of Contents
3
A Message to Ham Radio Beginners
8
DC Power Supply Considerations
9
Enclosure and Hardware Considerations
10
Ramsey CFX Transceiver Enclosure Kit
12
Guide to PC-Board I/O Connections
14
Microphone & Speaker Information
16
A few Antenna Considerations
16
VHF Packet Data Operation
17
Circuit Overview
19
Quick-Reference Programming Guide
27
Programming Worksheet
32
How to Activate an Auxiliary (Non-Standard) Offset
35
Programming "Minus" Offsets
36
Troubleshooting Guide
47
Note on Replacement Parts
49
Kit Assembly Phase 1
52
Test)
113
Technicians Notes
127
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