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FR-10 

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RAMSEY TRANSMITTER KITS 
        

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FM-10, 25 FM Stereo Transmitters 

        

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FM-1,2,3,4 FM Wireless Microphones 

        

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PB-1 Telephone Transmitter 

 
RAMSEY RECEIVER KITS 
        

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FR-1 FM Broadcast Receiver 

        

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AR-1 Aircraft Band Receiver 

        

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SR-1 Shortwave Receiver 

        

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AA-7 Active Antenna 

        

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SC-1 Shortwave Converter 

 
RAMSEY HOBBY KITS 
        

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SG-7 Personal Speed Radar 

        

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SS-70 Speech Scrambler 

        

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TT-1 Telephone Recorder 

        

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SP-1 Speakerphone 

        

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MD-3 Microwave Motion Detector 

        

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PH-10 Peak hold Meter 

        

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LC-1 Inductance-Capacitance Meter 

 
RAMSEY AMATEUR RADIO KITS 
        

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FX Series VHF and UHF Transceivers 

        

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HR Series HF All Mode Receivers 

        

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QRP Series HF CW Transmitters 

        

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CW-700 Micro Memory CW Keyer 

        

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PA Series VHF and UHF Power Amplifiers 

        

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Packet Computer Interfaces 

        

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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.  
   

FR-10 10 METER FM RECEIVER KIT INSTRUCTION MANUAL  

Ramsey Electronics publication NO. MFR-10 Rev. E  

First printing: January 1992

 

 
COPYRIGHT  1992 by Ramsey Electronics, Inc. 793 Canning Parkway, 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.

 

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FR-10 

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The Ramsey Kit Warranty

 

 

Please read carefully BEFORE calling or writing in about your kit. Most 
problems can be solved without contacting the factory. 

 

Notice that this is not a "fine print" warranty. We want you to understand your rights and ours too! All 
Ramsey kits will work i f assembled properly. The very fact that your kit includes this manual is your 
assurance that a team of knowledgeable people have field-tested several "copies" of this kit straight 
from the Ramsey Inventory. If you need help, please read through your manual carefully, all 
information required to properly build and test your kit is contained within the pages!   
 

1. DEFECTIVE PARTS:

 It's always easy to blame a part for a problem in your kit, Before you conclude 

that a part may be bad, thoroughly check your wo rk. Today's semiconductors and passive components 
have reached incredibly high reliability levels, and it’s sad to say that our  human construction skills 
have not! But on rare occasions a sour component can slip through. All our kit parts carry the Ramsey 
Electronics Warranty that they are free from defects for a full ninety (90) days from the date of 
purchase. Defective parts will be replaced promptly at our expense. If you suspect any part to be 
defective, please mail it to our factory for testing and replacement. Please send only the defective part
(s), not the entire kit. The part(s) MUST be returned to us in suitable condition for testing. Please be 
aware that testing can usually determine if the part was truly defective or damaged by assembly or 
usage. Don't be afraid of telling us that you 'blew-it', we're all human and in most cases, replacement 
parts are very reasonably priced.   
 

2. MISSING PARTS:

 Before assuming a part value is incorrect, check the parts listing carefully to see 

if it is a critical value such as a specific coil or IC, or whether a RANGE of values is suitable (such as 
"100 to 500 uF"). Often times, common sense will solve a mysterious missing part problem. If you're 
missing five 10K ohm resistors and received five extra 1K resistors, you can pretty much  be assured 
that the '1K ohm' resistors are actually the 'missing' 10 K parts ("Hum-m-m, I guess the 'red' band 
really does look  orange!")  Ramsey Electronics project kits are packed with pride in the USA. If you 
believe we packed an incorrect part or omitted a part clearly indicated in your assembly manual as 
supplied with the basic kit by Ramsey, please write or call us with information on the part you need and 
proof of kit purchase  
 

3. FACTORY REPAIR OF ASSEMBLED KITS:

  

To qualify for Ramsey Electroni cs factory repair, kits MUST:     
1. NOT be assembled with acid core solder or flux. 
2. NOT be modified in any manner. 
3. BE returned in fully-assembled form, not partially assembled. 
4. BE accompanied by the proper repair fee. No repair will be undertaken until we have received the 

MINIMUM repair fee (1/2 hour labor) of $18.00, or authorization to charge it to your credit card 
account. 

5. INCLUDE a description of the problem and legible return address. DO NOT send a separate letter; 

include all correspondence with the unit. Please do not include your own hardware such as 
non-Ramsey cabinets, knobs, cables, external battery packs and the like. Ramsey 
Electronics, Inc., reserves the right to refuse repair on ANY item in which we find excessive 
problems or damage due to construction methods. To assist customers in such situations, 
Ramsey Electronics, Inc., reserves the right to so lve their needs on a case-by-case basis. 

 
The repair is $36.00 per hour, regardless of the cost of the kit. Please understand that our technicians 
are not volunteers and that set-up, testing, diagnosis, repair and repacking and paperwork can take 
nearly an hour of paid employee time on even a simple kit. Of course, if we find that a part was 
defective in manufacture, there  will be no charge to repair your kit (But please realize that our 
technicians know the difference between a defective part and parts burned out or damaged through 
improper use or assembly). 

 
4. REFUNDS: 

You are given ten (10) days to examine our products. If you are not satisfied, you may 

return your unassembled kit with all the parts and instructions and proof of purchase to the factory for a 
full refund. The return package should be packed securely. Insurance is recommended. Please do not 
cause needless delays, read all information carefully. 

Содержание FR-10

Страница 1: ...64 TOTAL SOLDER POINTS 232 ESTIMATED ASSEMBLY TIME Beginner 6 8 hrs Intermediate 3 9 hrs Advanced 2 9 hrs FR 10 1 10 METER FM RECEIVER KIT Ramsey Electronics Model No FR 10 Check out the 10 meter acti...

Страница 2: ...s in suitable condition for testing Please be aware that testing can usually determine if the part was truly defective or damaged by assembly or usage Don t be afraid of telling us that you blew it we...

Страница 3: ...EIVER KIT Ramsey Publication No MFR 10 Price 5 00 TABLE OF CONTENTS Introduction to the FR 10 4 Circuit Description 5 Parts List 6 Simplified Block Diagram 8 Parts Layout Diagram 9 FR 10 Assembly Inst...

Страница 4: ...rs and diodes And in addition to four inductors a FR 10 25 receivers do not offer much PC board space or real need for customization or other modifications These receivers do what they are intended to...

Страница 5: ...e Ramsey HF receivers and transmitters the FR series of VHF FR 10 5 crystal and two ceramic filters there are nearly 60 capacitors and resistors Surely all that should result in a decent receiver You...

Страница 6: ...your receiver on for a few days just like we leave our computers and Ham or computer accessories on all the time 2 We thought you d have more fun planning and installing your own lamp that glows in t...

Страница 7: ...t way to make a good installation is to drill a neat hole just slightly smaller than the diameter of the LED Then enlarge the hole a little bit at a time just enough to let the LED be pressed in and h...

Страница 8: ...beginner with no license or other equipment any Ham operator with a 10 meter transceiver should be willing to give you the test signal and extra help that you need The FR 10 is very sensitive so oper...

Страница 9: ...nd to the point Good test bench signal sources include your own 10 meter transceiver if you are licensed to use it a signal generator or grid dip oscillator 2 L3 Alignment Tool If you do not already h...

Страница 10: ...fresh battery earphone or speaker with correct plug or adapter 76 Review the instructions for installing U1 and U2 Insert U3 the LM386 IC with the band or dot oriented correctly Solder the 8 connecti...

Страница 11: ...n As You Build KIT ASSEMBLY We have a twofold strategy for the order of the following kit assembly steps First we install parts in physical relationship to each other so there s minimal chance of inse...

Страница 12: ...facing to the right toward the middle of the board Press the transistor snugly into the PC board so that only a minimum amount of wire lead is exposed above the board When soldering don t be afraid to...

Страница 13: ...70 ohms yellow violet brown 2 NE602 OSCILLATOR MIXER and VARACTOR TUNING 16 Install R6 270 ohms red violet brown 17 Install C7 a 001 uF bypass capacitor marked 001 102 or 1 nF In installing the NE602...

Страница 14: ...FR 10 14 FR 10 15...

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