Ramsey Electronics FT146 manual Ramsey Transmitter Kits

Page 2

RAMSEY TRANSMITTER KITS

•FM10, FM-25 FM Stereo Transmitters

•TV6 Television Transmitter

•Cube TV Transmitters

RAMSEY RECEIVER KITS

• FR1 FM Broadcast Receiver

• AR1 Aircraft Band Receiver

•SR2 Shortwave Receiver

•AA7 Active Antenna

• SC1 Shortwave Converter

RAMSEY HOBBY KITS

•RB1 Rat Blaster Rodent Repeller

•SS70A Speech Scrambler

• TT1 Telephone Recorder

• WEB1 Walking Electronic Bug

•MD3 Microwave Motion Detector

•TFM3 Tri-Field Meter

•ECG1 Heart Monitor

RAMSEY AMATEUR RADIO KITS

•DDF1 Doppler Direction Finder

•HR Series HF All Mode Receivers

•QRP Series HF CW Transmitters

•FR146 2 Meter Receiver

•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.

FT146 FM RECEIVER KIT INSTRUCTION MANUAL

Ramsey Electronics publication NO. MFT146 Rev. 1.3

First printing: February 1992

COPYRIGHT 1992 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.

FT146 • 2

Page 1 Page 3
Image 2
Page 1 Page 3
Contents Meter FM 5 Watt Transmitter KIT Ramsey Transmitter Kits FT146 FM Receiver KIT Introduction FT146 Circuit Description Resistors and potentiometers FT146 2 Meter FM Transmitter KIT Parts ListCapacitors Special components Inductors and ferrite coresSemiconductor devices Required, not suppliedRamsey Learn-As-You-Build KIT Assembly FT146 FT146 FT146 PC board Test point loopResisto Enameled wire Winding L3 and L4 Use the same wireProcedure as used above for these coils. Each coil Is 2 1/2 turns and will appear to be 3 turns ifFT146 FT146 Wire jumper Wire sits flat FT146 TESTING, Alignment and Adjustment Short lead hereFT146 Your Power Supply and RF Output Power Verifying Transmitter RF OutputFT146 Maximizing RF Power Output Troubleshooting HintsMicrophone Considerations Other Enclosure Recommendations Crystal RequirementsFT146 FT146 Parts Layout Diagram Ramsey Kit Warranty Total Solder Points Estimated AssemblyRequired Tools Time

FT146 specifications

The Ramsey Electronics FT146 is a versatile and compact FM transmitter that stands out for its user-friendly operation and impressive performance in both amateur and professional audio applications. Designed for hobbyists, educators, and small businesses alike, the FT146 offers a reliable solution for broadcasting audio signals over a short to moderate range.

One of the main features of the FT146 is its simple plug-and-play setup, which allows users to get started quickly without needing extensive technical knowledge. The device operates with a frequency range of 88.1 to 107.9 MHz, covering the entire FM broadcast band. This flexibility enables users to choose the best frequency for minimal interference in their transmission area. Additionally, with an adjustable output power of up to 2 watts, the FT146 can effectively cover distances ranging from a few hundred feet to several miles, making it ideal for a variety of broadcasting scenarios.

The FT146 utilizes advanced modulation technology to ensure high-quality audio transmission. It supports monophonic audio, which is perfect for clear voice and music transmission. The integrated audio limiter prevents distortion, ensuring that the sound quality remains consistent, even at higher volumes or varying audio signals.

Another notable characteristic of the FT146 is its robust construction. Housed in a durable metal enclosure, the transmitter is built to withstand everyday use. The compact design allows for easy portability, making it suitable for field applications, on-location broadcasting, or as a permanent installation in a small venue.

In terms of connectivity, the FT146 features multiple audio input options, including a 3.5mm jack and RCA inputs. This versatility allows users to connect various audio sources, such as MP3 players, computers, or professional-grade audio equipment.

Furthermore, the FT146 also includes an LED power indicator and a built-in antenna output for enhanced transmission efficiency. Users can either connect an external antenna for increased range or utilize the included telescopic antenna for convenience.

Overall, the Ramsey Electronics FT146 combines ease of use with professional-grade features, making it an excellent choice for anyone looking to explore FM broadcasting. Whether for personal projects, educational purposes, or small business promotions, the FT146 delivers reliable performance and adaptability in a compact package.
Top Page Image Contents