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Elenco Electronics GFG-8016D User Manual

Elenco Electronics GFG-8016D
22 pages
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Elenco Electronics GFG-8016D Specifications

General IconGeneral
BrandElenco Electronics
ModelGFG-8016D
CategoryInverter
LanguageEnglish

Summary

SECTION 1 GENERAL DESCRIPTION

INTRODUCTION

Overview of the Digital Function Generator's capabilities, frequency range, and counter features.

FRONT PANEL LAYOUT

Details all controls and indicators located on the front panel for operating the generator.

PHYSICAL AND INTERNAL LAYOUT

Describes the power cord receptacle on the rear panel and main P.C. board layout.

ELECTRICAL OPERATING PRINCIPLES

Explains the internal working principle of the function generator using current sources and timing capacitors.

SPECIFICATIONS

PERFORMANCE SPECIFICATIONS

Covers frequency range, accuracy, output amplitude, sine wave distortion, and square wave rise time.

CONTROL SPECIFICATIONS

Details V.C.F. input, amplitude attenuation, DC offset range, and CMOS level control.

SYSTEM AND ACCESSORY DETAILS

Includes power source, accessories, dimensions, weight, and frequency counter specifications.

SECTION 2 INSTALLATION AND OPERATION

INITIAL SETUP PROCEDURES

Covers unpacking, inspection, AC power requirements, and fuse replacement.

BASIC FRONT PANEL CONTROLS

Details the POWER SWITCH, RANGE, FUNCTION, and MULTIPLIER controls for basic operation.

DUTY CONTROL WITH INVERT

Explains how the DUTY potentiometer controls time symmetry and the INVERT switch inverts it.

DC OFFSET WITH LEVEL CONTROL

Describes the DC OFFSET control for adjusting waveform DC level and the NOTE about amplitude/offset limits.

AMPLITUDE AND OUTPUT CONFIGURATION

Details AMPLITUDE, OUTPUT, VCF INPUT, PULSE OUTPUT, CMOS LEVEL CONTROL, and PULSE OUTPUT SWITCH.

FREQUENCY COUNTER OPERATION AND CONNECTORS

Covers frequency counter selectors, display, input connector, and indicator lamps.

INDICATOR LAMPS

Describes the Hz KHz LED, GATE LED, and OVER LED indicators.

SECTION 3 THEORY OF OPERATION

GENERAL

Describes the operation of the DIGITAL FUNCTION GENERATOR in detail and refers to the Block Diagram.

MAIN GENERATOR CORE

Covers the Summing Amplifier, Inverter, and Current Sources essential for waveform generation.

WAVEFORM CONTROL MECHANISMS

Explains DUTY CONTROL, INVERT SWITCH, and PULSE OUTPUT functionality.

SIGNAL PATH COMPONENTS

Details BUFFER, LEVEL DETECTOR, and CURRENT SOURCE DIODE SWITCH stages.

OUTPUT STAGES AND SHAPING

Describes TTL GATE, SINE AMPLIFIER, and OUTPUT AMPLIFIER for signal processing.

SUMMING AMPLIFIER FUNCTION

Explains the summing amplifier's role in frequency sweeping via MULTIPLIER and VCF input.

CURRENT SOURCE AND INVERTER DETAILS

Explains the inverter and the positive/negative current sources for timing capacitor control.

SECTION 4 CIRCUIT DIAGRAM

MAIN GENERATOR SCHEMATIC

Schematic for the main generator section, including summing amplifier, current sources, and range switching.

AMPLIFIER AND OUTPUT STAGES

Schematic for sine amplifier, output amplifier, and related components.

POWER SUPPLY CIRCUIT

Schematic for the power supply unit, including voltage regulation.

DIGITAL DISPLAY AND CONTROL SCHEMATIC

Schematic for the frequency counter display and control logic.

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