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Trio SG-402 User Manual

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~TRIO
RF
SIGNAL
GENERATOR
~~
I H
10
;
SOLID-STATE
SG
402
WIDE
BAND
INSTRUCTION
MANUAL
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Trio SG-402 Specifications

General IconGeneral
BrandTrio
ModelSG-402
CategoryPortable Generator
LanguageEnglish

Summary

General & Features

Specifications

Circuit Description

Operating Instructions

Applications

Aligning IF Transformers

This section describes aligning IF transformers for radio receivers using the SG-402.

Tracking

This section details the process of tracking receiver frequencies using the SG-402 signal generator.

Short Wave Band Adjustment

Guidance on adjusting short wave receivers operating above 10MHz using the SG-402.

Maintenance

Removing the Case

Procedure for safely removing the outer case of the SG-402 unit using a Phillips screwdriver.

Attaching the Case

Instructions for reattaching the SG-402 case to the chassis, including screw placement.

Removing the Front Panel

Detailed steps for removing the front panel of the SG-402, including knob and setscrew removal.

Adjustment

Adjusting Output Voltage

Procedure for calibrating the output voltage of the SG-402 using an RF voltmeter.

Adjusting Internal Modulation Degree

Method for setting the internal modulation degree to approximately 40% using an oscilloscope.

Adjusting the Pointer

Steps to properly position the frequency dial pointer on the SG-402 scale.

Adjusting Oscillation Frequency

Guide to calibrating the SG-402's oscillation frequency across its various ranges using a frequency counter.

Cautions