Ramsey Electronics PPM3 manual Ramsey Receiver Kits

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RAMSEY TRANSMITTER KITS

FM10A, FM25B FM Stereo Transmitters

FM100B Professional FM Stereo Transmitter

TXE433 or 916 Transmitter & Encoder Module

RXD433 or 916 Data Receiver& Decoder

RR1 Wired remote repeater

RRW1 Wireless remote repeater

RAMSEY RECEIVER KITS

FR1 FM Broadcast Receiver

AR1 Aircraft Band Receiver

SR1 Short-wave Receiver

RAMSEY HOBBY KITS

WEB1 Walking Electronic Bug

LEDS1 LED Strobe

BE66 Blinky Eyes

EDF1 Electronic Dripping Faucet

TFM3 Tri-Field Meter

LC1 Inductance-Capacitance Meter

RAMSEY AMATEUR RADIO KITS

HR Series HF All Mode Receivers

QRP Series HF CW Transmitters

CW7 CW Keyer

DDF1 Doppler Direction Finder

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.

PPM3 PHONE PATCH MIXER KIT MANUAL

Ramsey Electronics publication No. MPPM3 Revision 1.3

First printing: January 200 GMG

COPYRIGHT 2002 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.

PPM3 Page 2

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Contents Phone Patch Mixer KIT Ramsey Receiver Kits KIT Assembly PPM3 Introduction PPM3 Circuit Description Page Page Ramsey LEARN-AS-YOU-BUILD Assembly Strategy Kit building tipsPage Page PPM3 Parts Placement Diagram Parts Supplied with Your PPM3 KIT CapacitorsMiscellaneous Components PPM3 Schematic Diagram PPM3 Phone Patch Mixer Assembly Page Page Page Page Congratulations Testing Your PPM3 Using the PPM3 Troubleshooting Guide Still Having TROUBLE?Page PPM3 Phone Patch Mixer Specifications ConclusionPPM3 Ramsey Kit Warranty Required Tools Estimated Assembly TimePPM3 Remote Interface KIT Additional Suggested Items