Topward 8112 free download

File name Topward 8112 Service Manual.pdf

INSTRUCTION MANUAL DIGITAL FUNCTION GENERATOR MODEL: 8112 if. To pward TABLE of CONTENTS 8112 Picture of Model ... U'TJ-`bJN` Introduction... Before we Begin...Q... Front Panel of the Model 8112 ...w... Front Panel Description... Operating Instructions... 8 Operating Cautions...1D Theory of Operation...11 Calibration...1a Troubleshooting...16 Adjustfient Location...20 Block Diagram...21 Circuit Diagram...22 Component Layout...26 Specifications...2? part5 List-cotton...onto..-ole-InInca-Ilse.-liooooooco-ogunooozg PICTURE of MODEL 8112 \ \R > x` \ \ INTRODUCTION The Topward 8112 is a portable, bench type multi-purpose digital function generator/counter capable of producing 5 different waveforms. These are Sine, Square, Triangle, Pulse and Ramp. The model 8112 features: Adjustable frequency range from 0.1 Hz to 2 MHz in 7 ranges, variable output amplitude from 5 mV to 20 Vp-p, variable symmetry/duty cycle from 5% to 95% in the Ramp/Pulse mode, continuous or externally controlled outputs, DC offset between --10 V to +10 U can be added to all output waveforms, inverted and attenuated output, built-in 100 MHz frequency counter with 25 mV input sensitivity. - 2 _ FRONT PANEL of the MODEL 8112 Figure -- 1 12 11 T 9 FREQUENCY RANGE Hz/GATE THME ATT 1M TOOK 10K 1K 100 10 EU__N_C m N % OdB..I. ` __ OVFL I GATE [TIMI] KHz Hz QJOTS 0 IS LIEII+IEI_ I+RLI