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Posts Tagged ‘receiver’

Yet another CXA1191 FM radio receiver

Monday, July 31st, 2017

Dilshan Jayakody has published a new build: This is simple, but very high quality CXA1191S based FM radio receiver system. In this design we use Sony CXA1191S as FM tuner and TDA2003 as an audio amplifier. This receiver system is designed to work with 12V DC power source and it...

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Posted in DIY | 2 Comments »

A 2-channel receiver that can save your old Motorola TX

Thursday, May 18th, 2017

Boris Landoni writes about a new open source project 2-channel receiver that can save your old Motorola TX: A 433,92 MHz Receiver that can be paired with a maximum of 10 Motorola TX each with relay outputs that can be set both in monostable or bistable mode. Although we have had...

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Posted in open source | No Comments »

Forty-9er Shield

Friday, December 23rd, 2016

m0xpd writes: I've been tinkering with a quick lash-up of Wayne Burdick, n6kr's famous 'Forty-9er' receiver, implemented on an Arduino shield and tuned by one of my DDS systems. Regular readers will remember how I tried running my Kanga / m0xpd Sudden-inspired receiver shield under the control of the new...

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Posted in digital radio data, RF | No Comments »

19th century radio technology meets the Beaglebone

Monday, March 21st, 2016

Ashish Derhgawen built a coherer-based receiver with a simple decoherer mechanism, and connected it to a Beaglebone to decode the received signals: In my last post, I described how I made a spark-gap transmitter and receiver. For the transmitter, I used a car's ignition coil to produce high voltage sparks,...

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Posted in wireless | No Comments »

Two transistor superheterodyne shortwave receiver

Tuesday, March 3rd, 2015

Dilshan Jayakody writes: This is two transistor and two IF transformer based superheterodyne receiver which is designed to receive 13m to 41m bands. With quiet good external antenna this receiver performs similar to commercially available shortwave receiver and its audio quality is in very satisfactory level. This receiver can be...

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Posted in hacks | 7 Comments »

Steam turret tank R/C controller

Monday, September 29th, 2014

An instructable for a PIC based R/C servo controller by Steamhobby: The controllers capture the R/C receiver output, optionally manipulate the samples, then regenerate new servo control signals. As such, they greatly enhance what is possible with cheap servos.  They were created for my Steam Turret Tank Instructable. Via the contact form....

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Posted in DIY, PIC | 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 »

VHF FM Aircraft receiver

Monday, April 8th, 2013

VHF FM Aircraft receiver: VHF FM Aircraft Receiver is a superregenative receiver developed for listening to FM transmitters but also tunes the aircraft band and the top portion of the FM broadcast band. Receives both AM and FM (107mHz to 135 MHz). You can use this receiver with the any...

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Posted in digital radio data | 7 Comments »

Portable software defined transceiver: Roofing filter

Saturday, December 24th, 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 roofing filter. The...

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Posted in project logs | 5 Comments »

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