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Posts Tagged ‘transmitter’

A transmit converter (and amplifier) for 630 and 2200 meters

Wednesday, January 30th, 2019

KA7OEI has a great write-up on building a transmit converter for 630 and 2200 meters: As the name implies, a transmit converter takes another frequency - such as that produced by a conventional HF transceiver - and converts it to another frequency.  In my case I use an FT-817 -...

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Posted in DIY, RF | No Comments »

Pen FM transmitter bug

Tuesday, May 24th, 2016

A pen FM transmitter bug project from Talking Electronics: Pen FM Transmitter bug projects have been very popular. The idea of being able to hide a transmitter in a pen is very appealing. In an effort to reduce the size of this design, we have used surface-mount components. Firstly, the...

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Posted in DIY | 2 Comments »

Trio JR-310 and TX-310 restoration project

Friday, September 5th, 2014

Dilshan Jayakody did restoration of TX-310 transmitter and JR-310 receiver step-by-step: I got Trio (now Kenwood) JR-310 and TX-310 SSB receiver and transmitter pair recently. When it comes to me both receiver and transmitter are in very bad shape and most of the PCBs and chassis are covered with dust and some...

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Posted in repair | No Comments »

Portable software defined transceiver: Transmitter

Monday, December 26th, 2011

Jason has been working on a portable software defined transceiver design for the past year. Every day this week he’ll discuss a different part of the hardware in a series of guest posts. You can chat with the designer in the forum.  Today’s post is about the transmitter. The transmitter...

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Posted in project logs | No Comments »

Massive DIY video game, controller, more

Tuesday, July 5th, 2011

Chris made a mutant video game controller, console, and more, all wrapped up in a small project box. Check out the list of features: Propeller Board USB, Net Server, BlueSmirf Bluetooth, X-bee, DeadOn RTC, Lipo and onboard charger, On board USB-FTDI-Serial for both Prop and LCD,  4 gigs of SD...

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Posted in hacks, infrared | No Comments »

TI launchpad as morse keyer

Friday, February 11th, 2011

echOs built a CW(Morse code) transmitter using  a TI launchpad with a minimal amount of components. Only capable of low power transmitting, this would be use full for finding that lost high altitude payload, or fox hunting. Via: Hack a Day

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Posted in MSP430, wireless | No Comments »

Recent Comments

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