Radio & Amplifier Modifications

Service Manual for the Ranger RCI2950DX / RCI2970DX 10m Transceivers
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Service Manual for the Ranger RCI2950DX / RCI2970DX 10m Transceivers
Service Manual for both RCI 2950DX and RCI2970DX (Not for standard 2950 / 2970)
Manual includes:
- SPECIFICATIONS
- OPERATION
- PROGRAMMING
- CIRCUIT DESCRIPTION
- ALIGNMENT
- MAINTENANCE
- DIAGRAMS AND PARTS LIST
SKU: SMRCI29DX
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Amplifier Plan Set Construction & Operation by Lou Franklin
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This plan set explains in detail how to build a solid-state RF amplifier suitable for use on the 80-10 meter Amateur Radio Bands. Consists of 28 pages of helpful, step by step instructions to build a linear amplfier from start to finish.
Includes:
- Mechanical Assembly Methods
- Component details
- Printed Circuit Board
- Theory of Operation
- Broadband Transformers
- Power Supply
- Additional Reading Material references
- Part Sources
- Step by Step Assembly Instructions
- Testing and Checkout
- Schematic Circuit Diagram
- Templates for Heatsink, Cabinet, Front and Back panels
MFR: CBC International / Lou Franklin
SKU: CAOML
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HL-36U RF Limited "Power Plus" Mobile Amplifier 420-450 MHz 5-30 Watts 13.8v DC (NOS)
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The Power Plus HL-36U 70 Centimeter All Mode Linear Amplifier is the perfect combination of performance and value. Employment of strip-line technology coupled with modular construction provides the HL-36U with unsurpassed reliability and RF Performance.
- Switchable GaAsFET receive preamplifier
- Low Noise filter
- Switchable Dual Mode operation (FM / SSB)
- Input power protection circuitry (Overdrive protection)
- RX and TX indicator LED's
- Mounting Bracket / Hardware
New Old Stock * No longer available for export
MFR: RF Limited
SKU: HL-36U
(90 day limited over the counter warranty through RF Parts)
NOTE: These amplifiers were found in storage. Factory no longer produces this item and does not support warranty offered in manual.

NFB2 Feedback Modification Kit - 2 Transistor Amplifier
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NFB2 Feedback Modification Kit - 2 Transistor Amplifier
SKU: NFB2
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Technical Manual for the Ranger AR3300/3500 10m Transceiver
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Technical Manual for the Ranger AR3300/3500 10m Transceiver
This manual will help you troubleshoot and service your Ranger AR3300/3500 transceiver. Includes updates and modifications to customize your particular requirements. Included Technical bulletins and chassis schematics.
Includes:
- Introduction
- Technical Bulletins
- Voltage Charts
- Parts List
- IC Pin Outs
- Board Layouts
- Alignment Procedures
- Schematics
SKU: SMAR3300-3500
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VX-1 Swan Voice Control Unit (Pull)
In Stock
- For Swan 250 -350-400
Used * No longer available for export
MFR: Swan Electronics Corporation
SKU: SWAN-VX-1

IC-EX199 ICOM Remote Controller Kit (NOS/NIB)
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For use with an IC-22U, IC-24E. or IC-24G transceiver. The Frequency of the transceiver will be controlled by the controller.
New old Stock * New In Box * No longer available for export
MFR: ICOM
Made in Japan
SKU: IC-EX199