EasyManua.ls Logo

Alpha Power ETO 91B User Manual

Alpha Power ETO 91B
33 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
U s e r ’s M a n u a l
HF LINEAR POWER AMPLIFIER
Qi bun ALFHA/powER>IN C RF Power for Communications and Industry
IlLinB 14440 Mead Court, Unit B, Longmont, Colorado 80504
p p | 4 * * (970) 535-4173 * FAX (970) 535-0281
Question and Answer IconNeed help?

Do you have a question about the Alpha Power ETO 91B and is the answer not in the manual?

Alpha Power ETO 91B Specifications

General IconGeneral
Frequency Range20Hz - 20kHz
Tube12AX7
Signal to Noise Ratio90dB
Total Harmonic Distortion<0.5%
Frequency Response20Hz - 20kHz (+/- 0.5dB)

Summary

Installation Precautions

Preparing the Amplifier for Operation

Power Transformer Installation

Instructions for installing the power transformer, including handling and securing the unit.

AC Power Connections and Grounding

Details on connecting the amplifier to AC mains power, including voltage tap selection and grounding.

Amplifier and Station Interconnections

Amplifier Operation

Grid Current Monitoring and Indicators

Explains the role of green and red GRID LEDs in indicating drive levels and potential overdrive.

Tune-up Procedure

Step-by-step instructions for adjusting the amplifier for optimal performance and output.

Reflected Power Protection System

How the amplifier protects itself from high reflected power and VSWR conditions.

Operating and Maintenance Notes

Troubleshooting Common Issues

No Power or No High Voltage

Diagnosing issues when the amplifier does not turn on or fails to indicate high voltage.

Control and Timing Malfunctions

Troubleshooting problems related to power-on, time delay, and transmission.

Grid LED and Output Power Issues

Addressing issues with grid current indication and achieving rated RF output power.

Plate Current and Signal Distortion

Troubleshooting plate current indication in standby, distorted SSB signals, and TV interference.

Related product manuals