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Posts Tagged ‘transceiver’

N6QW Heathkit SSB transceiver

Friday, November 2nd, 2018

Pete Juliano, N6QW,  has a nice build log on his newest version Heathkit 40M SSB Transceiver: What are you thinking -- I am not trying to break any world record? My XYL asked me that question today -- why are you building another rig? Followed up by a snide comment...

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Posted in DIY, RF | No Comments »

Simpleceiver Plus version 2 SSB transceiver

Thursday, November 2nd, 2017

An update on Pete Juliano's (N6QW) Simpleceiver project we covered previously: Version 2 -- What is it? V2.0 is the Simpleceiver Plus SSB Transceiver Architecture with the following changes: A GRQP Club 9.0 MHz Crystal Filter is used in place of the homebrew 12.096 Four Pole Filter. This gives the...

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Shirt Pocket Transceiver with the Si5351 and OLED

Monday, January 16th, 2017

Pete Juliano's (N6QW) Shirt Pocket Transceiver with the Si5351 and OLED display: In 2011 I fulfilled a dream of building a shirt pocket sized QRP SSB transceiver. Well actually I built two of them and the second was a diminutive 2" X 4" X 2". Both used through hole components...

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A new transceiver at N6QW, part 2

Wednesday, May 25th, 2016

Pete Juliano, N6QW, has been working on a transceiver project. He writes: Today we complete most of the mechanical work and the only item remaining is the RC Filter to turn the Square Waves into Sine Waves for the tune signal. We have had it on the air in the...

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DIY RF Transceiver using MRF49XA and AT90USB162

Friday, July 12th, 2013

William Dillon has posted his initial work on a prototype USB RF data packet Transceiver dongle using the MRF49XA and an Atmel AT90USB162 micro controller. He embarked on a journey exploring the development of packet formats and protocols, as well as types of error correction. This open source project's details,...

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Posted in code, digital radio data, DIY, open source, RF | 1 Comment »

DIY wireless data transceiver

Thursday, April 25th, 2013

Build your own wireless transceiver: Have you ever wanted to send data from a sensor or project wirelessly? This simple circuit allows you to build your own wireless transceiver using two ICs, a transistor, and two resistors. The IC is from Melexis and uses On-Off Keying modulation and can be...

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Posted in DIY, wireless | 3 Comments »

Portable software defined transceiver: Power amplifier

Tuesday, December 27th, 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 power amplifier. Since...

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Posted in project logs | 1 Comment »

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 »

nRF24LE1 low power single chip wireless data

Saturday, April 2nd, 2011

The nRF24LE1 is a single chip radio that can be used with a microcontroller for low power wireless stuff.  It has lots of extras like an ultra low power analog comparator for voltage level system wake-up. Nordic Semiconductor provides an RF protocol stack and applications for microcontrollers. Via MDFLY.

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Posted in sensors, wireless | 5 Comments »

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