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Ramsey Electronics FM25B User Manual

Ramsey Electronics FM25B
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FM25B 1
Ramsey Electronics Model No. FM25B
Own and operate your own FM Stereo broadcast station. The
FM25B has an exceptional synthesized transmission range and
improved audio quality that puts your favorite radio station to
shame.
Synthesized 88 to 108 MHz for no frequency drift!
No annoying Hum with even better stereo separation than the
original!
New design features ‘Line In’ and ‘Loop Out’ 1/8” Stereo jacks!
‘F’ style RF output connector for easy connection to an external
antenna
Fully adjustable RF output level for custom coverage capabilities!
Kit includes case, AC adapter, 1/8” Stereo to RCA patch cable, and
whip antenna
Great for schools, health clubs, realtors… or your back yard!
The ideal campus or school radio station
Clear, concise instructions guide you step-by-step to a finished
product that works FIRST time.
SYNTHESIZED FM
STEREO TRANSMITTER
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Ramsey Electronics FM25B Specifications

General IconGeneral
BrandRamsey Electronics
ModelFM25B
CategoryTransmitter
LanguageEnglish

Summary

Circuit Description

FM25B Parts Layout Diagram

Parts Supplied with FM25B

RAMSEY "LEARN-AS-YOU-BUILD" ASSEMBLY STRATEGY

FM25B ASSEMBLY

Step-by-step guide for assembling the FM25B kit.

ASSEMBLY INSTRUCTIONS FOR CUSTOM CASE

CHOOSING AN OPERATING FREQUENCY

ADJUSTING YOUR FM25B TRANSMITTER

Transmitting Frequency

Details setting the desired operating frequency using DIP switches.

ANTENNA IDEAS

ANTENNA ALTERNATIVES

TROUBLESHOOTING GUIDE

APPENDIX A: FCC RULES AND INFORMATION

APPENDIX B: UNDERSTANDING LEGAL "FIELD STRENGTH"

SUMMARY

The Ramsey Kit Warranty

DEFECTIVE PARTS

Procedure for handling and replacing defective components.

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