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80m Projekten - Ontvangers

Klik voor vergroting40m or 80m Regen RX by G3XBM
The regen receiver is an amazing piece of electronics.
With the circuit shown the receiver can pull in SSB/CW stations well from all over Europe on 40m (or 80m) with ease.
https://sites.google.com/site/g3xbmqrp3/hf/regen

Klik voor vergroting80 meter vossenjacht ontvanger door PE7M
In dit artikel beschrijven wij de 80-meter vossenjachtontvanger zoals wij die hebben gebouwd op de VRZA radiokampweek 1999.
http://www.pi4rcg.nl/zelfbouw/80-meter-vossenjacht-ontvanger/

Klik voor vergroting80 metre direct conversion receiver by VK1PK
http://home.alphalink.com.au/~parkerp/projects/proj80dir.htm
 
 

Klik voor vergroting80 metre superhet SSB receiver by VK3YE
http://home.alphalink.com.au/~parkerp/projects/projsup80.htm
 
 

Klik voor vergroting80 mtr DC receiver by PA2RF
About 12 years ago I built a nice DC receiver of which I found the description a couple of weeks ago. Good enough for a blog entry and... the receiver still works fine.
http://pa2rf.blogspot.com/2013/08/80-mtr-dc-receiver.html

Klik voor vergroting80-meter peilontvanger/receiver door PAØHRX
Hrx80, 80-meter peilontvanger/receiver.
http://www.qsl.net/pa3fdc/tech/hrx80/
 

Klik voor vergroting80-meter Regenerative Receiver by K9PPW
I included this schematic of one of Bob's homebrew projects, an 80-meter regenerative receiver that uses only TWO transistors. This receiver is quite sensitive. The goal here was to make a receiver that has SMOOTH regeneration control, that doesn't "pop" into oscillation and "hop" frequency or pull as the gain is increased.
http://my.core.com/~jematz/qrp/k9ppw-s1.htm

Klik voor vergroting80m Band Direct Conversion Receiver by DL2YEO
The first differential amplifier inside the NE592 is used in this application (unlike it's normal function) as a symmetrical mixer.
http://www.qrp4u.de/docs/en/direkt_rx2/index.htm

80M Receiver for ARDF by VK3MZ
Ian Stirling VK3MZ describes a receiver and directional antenna combination that is suitable for direction finding on the 80m band.
http://www.vk3vt.net/VK3MZ%2080M%20DF%20receiver.pdf

Klik voor vergroting80m Receiver ROX-80 by G3ZOI
This design was inspired by the innovative SM5CJW receiver. The form factor is much smaller and lighter than other designs. The ergonomics are very good, and the receiver is easy to operate using a single hand, so it is an ideal receiver suitable for a beginner or orienteer.
http://open-circuit.co.uk/wp/receivers/rox-80/

Klik voor vergroting80m sniffer by VK3YNG
This project appeared in the September 2003 issue of Amateur Radio magazine from the WIA . This kit is an updated version of the 80m MK1 kit and is based on an original concept by VK3MZ except that it is more sensitive, easier to construct and much more compact.
http://www.foxhunt.com.au/80m_sniffer/80m_sniffer.html

80m TTL Direct Conversion Receiver by AA1TJ
This simple receiver is constructed around a single, 7400, Quad-NAND, TTL, integrated circuit. Two gates create a VXO with a square-wave output of sufficient frequency-range to cover most of the 80m CW band. The third gate functions as a linear RF amplifier.
http://web.archive.org/web/20101124023124/http://aa1tj.com/80mttldirectconversionreceiver.html

Klik voor vergrotingCW Receiver for 80 and 40 Meters by KC6WDK
This amazingly sensitive and dependable "Simplest Ham Receiver" is capable of receiving CW (Morse Code) signals. It is crystal controlled and thus very stable and immune to drift and hand-capacitance detuning.
https://www.qsl.net/kc6wdk/QRP/receiver.htm

Klik voor vergrotingCW Receiver for 80 and 40 Meters with I.C. Audio Stage by KC6WDK
The easy 80 and 40 meter Simplest Ham Receiver described on this site has proven to be versatile, stable, durable and effective. However, interest and curiosity has been expressed for a version with an audio amp section using integrated circuits instead of transistors.
https://www.qsl.net/kc6wdk/QRP/icreceiver.htm

Das DereLicht Receiver by AA1TJ
Given the unmitigated joy I've had from building and operating my Das DereLicht transmitter, it seemed only natural to extend the project with a matching receiver. Doubtless, the 80m direct-conversion receiver described on this page is only one of many possible solutions to the puzzle.
http://web.archive.org/web/20101124023326/http://aa1tj.com/dasderelichtreceiver.html

Klik voor vergrotingDirect conversion 80m receiver by OK1AYU
The aim of this project was to build a simple and cheap receiver for the new hams. Three receivers similar to the shown have been built by the students of our school.
http://www.qsl.net/ok1ayu/projects/rx80.htm

Klik voor vergrotingIntegrated Circuit Receiver by SMØVPO
The CA3123E is a simple single superhet receiver and is designed for operation in the medium waveband. I have used this IC up to 4 MHz with 100% success.
http://sm0vpo.altervista.org/rx/icrx1.htm

Klik voor vergroting'One Chip' Receiver by GØFGI [G3YCC]
The circuit is of an 80 meter band one chip DC receiver, (excluding the AF stage). As you can see the design utilises the NE602 as VXO/mixer. It is economical with components.
http://www.zerobeat.net/g3ycc/80m_mini.htm

One-Transistor Direct Conversion Receiver by AA1TJ
Here's an 80m direct conversion receiver that uses only one active device. A 2N3904 transistor serves as both a high-gain AF amplifier and the local oscillator; and yet both the receiver sensitivity and audio volume are surprisingly good.
http://web.archive.org/web/20101124023336/http://aa1tj.com/one-transistordirectconversionreceiver.html

Klik voor vergrotingQRSS Ontvanger voor 80 meter door PA2OHH
Met heel eenvoudige componenten kun je een leuke QRSS ontvanger maken, hij hoeft niet perfect te zijn, maar hij moet natuurlijk wel heel goed zijn!
https://www.qsl.net/pa2ohh/20qrx80mnl.htm

Rescaling the MRX-40 Receiver for 80 Meters by K7SZ
Last October I found myself on a flight to Tyndall Air Force Base in Florida ... Before leaving, I put a request on the QRP-L e-mail reflector for ideas or designs for a companion receiver kit to match the NoGANaut 80-meter trx.
http://www.arrl.org/files/file/Technology/tis/info/pdf/0105098.pdf

Klik voor vergrotingRX1HF80: 80m SSB/CW/AM Receiver by ON6MU
I wanted to make a compact battery powered 80m band SSB receiver. Not only that, it should also be sensitive receiver and a simple design. I had experience with the SA612 double-balanced mixer, but I did'nt want to make a converter. It really had to be stand-alone little receiver.
http://users.belgacom.net/hamradio/schemas/rx1hf80%20receiver.htm

Klik voor vergrotingSmall 80m direct conversion RX by VK2ZAY
I used the same unit that I built as a prototype for the LO in this project. I've added a buffer, mixer, an AF and RF amp of my own design, to make a very usable and quite compact 80m receiver.
http://www.vk2zay.net/article/46

Klik voor vergrotingThe AGC-80 by KE3IJ
Here's a Regenerative Receiver project that I designed for the 80 meter Amateur band, but which can also be used in a wider-tuning configuration that covers approximately 3 MHz to 10 MHz, for Shortwave (World Band) listeners.
http://www.ke3ij.com/AGC-80.htm

Klik voor vergrotingThe AGC-80/30 by KE3IJ
After a while I began to think about eventually turning my AGC-80 prototype into a "Regenerodyne", and realized that there would be potential problems with "images" and also cross-talk (better, "leakage" or "bleed-through") between the 80 and 30 meter bands.
http://www.ke3ij.com/AGC-8030.htm

Klik voor vergrotingThe AGC-80/40 by KE3IJ
Here's a dual-band Regen that came from some encouraging emails from Jerry (K9UT) and another gentleman named Harvey, who built my original AGC-80, and its experimental "Regenerodyne" successor, the AGC-80/30.
http://www.ke3ij.com/AGC8040.htm

Klik voor vergrotingThe DC-80 by KE3IJ
You may have noticed that almost all my receiver projects on these webpages, up to now, have been based on some variation of a Regenerative Detector, usually a Colpitts derivative. Most QRP designs over the last 30 years, on the other hand, have favored the Direct Conversion approach ...
http://www.ke3ij.com/DC-80.htm

Klik voor vergrotingThe MMMM Receiver by 5R8SV
The 80m Madagascar Mighty Mite was suffering from “a tree falls in the forest but nobody hears it” syndrome.
http://blog.templaro.com/the-mmmm-receiver/

Klik voor vergrotingTwinplex Regenerative Receiver by AA8V
After building several simpler receivers, I wanted to try my hand at a more complicated, multi-band, multi-stage, receiver. Someday I wanted to build a superhet, but I thought I should try building a really good regenerative receiver first.
https://www.frostburg.edu/personal/latta/ee/twinplex/twinplex.html

Klik voor vergrotingVXO 80 metre receiver by VK2ZAY
I started by building a VXO circuit, to see just how far these things could be pulled. It was found to be quite practical to pull them about 100 kHz and still have a stable oscillator, meaning the two available devices could cover most of the interesting parts of 80 metres.
http://www.vk2zay.net/article/95


Creatie datum : 11/08/2007 @ 23:43
Laatste wijziging : 16/11/2020 @ 23:16
Categorie : 80m Projekten
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