Ramsey Electronics SS70A manual Ramsey Transmitter Kits

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RAMSEY TRANSMITTER KITS

FM100B Professional FM Stereo Transmitter

FM25B Synthesized Stereo FM Transmitter

MR6 Model Rocket Tracking Transmitter

TV6 Television Transmitter

RAMSEY RECEIVER KITS

FR1 FM Broadcast Receiver

AR1 Aircraft Band Receiver

SR2 Shortwave Receiver

SC1 Shortwave Converter

RAMSEY HOBBY KITS

SG7 Personal Speed Radar

SS70A Speech Scrambler

BS1 “Bullshooter” Digital Voice Storage Unit

AVS10 Automatic Sequential Video Switcher

ECG1 Heart Monitor

WCT20 Cable Wizard Cable Tracer

LABC1 Lead Acid Battery Charger

LC1 Inductance-Capacitance Meter

RAMSEY AMATEUR RADIO KITS

DDF1 Doppler Direction Finder

HR Series HF All Mode Receivers

QRP Series HF CW Transmitters

CW7 CW Keyer

CPO3 Code Practice Oscillator

QRP Power Amplifiers

RAMSEY MINI-KITS

Many other kits are available for hobby, school, Scouts and just plain FUN. New kits are always under development. Write or call for our free Ramsey catalog.

SS70A SPEECH SCRAMBLER KIT INSTRUCTION MANUAL

Ramsey Electronics publication No. MSS70A Revision 1.3

First printing: September 1995

COPYRIGHT 1995 by Ramsey Electronics, Inc. 590 Fishers Station Drive, Victor, New York 14564. All rights reserved. No portion of this publication may be copied or duplicated without the written permission of Ramsey Electronics, Inc. Printed in the United States of America.

SS70A 2

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Contents Speech Scrambler Ramsey Transmitter Kits Speech Scrambler / Descrambler KIT Introduction SS70A Circuit DescriptionOSC Now, lets get building SS70A Parts List Resistors and PotentiometersSS70A SS70A Assembly Instructions SS70A SS70A Testing the SS70A CongratulationsConfiguring the SS70A inputs Typical HOOK-UPSTape Recorder Connection SS 70ALoop-through Audio Test Troubleshooting Instructions What if I CAN’T Descramble Something I HEAR?Conclusion SS70A Parts Layout Diagram Ramsey Kit Warranty Required Tools Estimated AssemblySpeech Scrambler SS70A Additional Suggested Items