Radio & Amplifier Modifications

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

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

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

SKU: NFB2

Data Sheet

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

• For Swan 250 -350-400

Used * No longer available for export
MFR: Swan Electronics Corporation
SKU: SWAN-VX-1