QRP Labs 10W HF Linear PA - User Manual

10W HF Linear PA kit assembly 1.00 1
10W HF Linear PA
10W HF Linear Power Amplifier kit assembly manual
A low-cost, high-performance HF Linear PA
covering 2-30MHz
Designed and produced by QRP Labs, 2018

QRP Labs 10W HF Linear PA Specifications

General

Brand	QRP Labs
Model	10W HF Linear PA
Category	Amplifier
Language	English

Summary

Detailed Assembly Procedures

Parts List and Component Inventory

Comprehensive list of all components required for the kit assembly.

PCB Trace Diagram and Parts Layout Guide

Visual guide showing component placement and circuit traces on the PCB.

Circuit Schematic Diagram

Detailed electrical diagram illustrating the PA circuit design.

Winding and Installing Inductor L201

Instructions for preparing and installing the L201 inductor.

Winding Transformer T201

Detailed procedure for winding and installing the T201 transformer.

Winding Transformer T202

Step-by-step guide for winding and installing the T202 transformer.

Winding Transformer T203

Winding Transformer T204

Installing Transistors Q207 and Q208

Installing the Heatsink

Crucial steps for mounting the PA board to the heatsink assembly.

Applications, Testing, and Adjustments

PA Precautions and Safety Checks

Essential safety measures before powering the amplifier.

RF and DC Power Connections

Bias Current Adjustment Procedure

Steps for setting the PA transistor bias currents for optimal performance.

Performance Test Results

Summary of tests conducted, confirming performance metrics.