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80m Projekten - Zenders

Klik voor vergroting"Easy Ten" - A simple 80 Meter CW Transmitter Using A 2N3904 by K7NS
I call this very simple transmitter the "Easy Ten" because it can be easily heard at a distance of 10 miles. Transmitter antenna is a random length wire run through a hole in the wall and thrown into a tree.
http://www.sparkbangbuzz.com/easy-ten/easy-ten.htm

Klik voor vergroting3.5MHz ARDF Transmitter by ON7YD
This transmitter is designed as a classic 3 stage TX.
http://www.qsl.net/on7yd/atx80.htm
 

Klik voor vergroting3.5MHz Low PowercARDF Transmitter by ON7YD
This low power transmitter is developed for ARDF exercising purposes but of course can be used as super QRP transmitter either.
http://www.qsl.net/on7yd/minitx80.htm

Klik voor vergroting80 Meter Tube Transmitter by SM5GNN
This is a variation of the triode/pentode family of glowbug transmitters. It features a Pierce oscillator which runs continously during transmit to avoid chirp.
http://www.tuberadio.com/80.html

Klik voor vergroting80 Metre DSB Transmitter by VK3YE
This circuit is probably the simplest practical 'bare-bones' voice transmitter for the 3.5 MHz amateur band.
http://home.alphalink.com.au/~parkerp/projects/proj80ds.htm
 

Klik voor vergroting80m 0.5w Mini Transmitter by G3ZOI
This 80m ARDF transmitter was designed to be multi purpose, suitable for Classic, Sprint and FoxOring formats. Compact and lightweight and easy to deploy. Low component count. Multipurpose socket for charging/syncro/tune-up. Internal ATU for matching to a short wire antenna.
http://open-circuit.co.uk/wp/transmitters/mtx80/

Klik voor vergroting80m 3W Transmitter ATX-80 by G3ZOI
The 80m TX described here is the well known ON7YD ATX-80 and timer, combined in a standard aluminium enclosure.
http://open-circuit.co.uk/wp/transmitters/mtx80/

Klik voor vergroting80-meter CW Transmitter by K9PPW
This is a schematic of Bob's homebrew QRP transmitter. It's CW on 80 meters, about 1 watt output, VFO ... and only uses TWO rf transistors and one more for keying. It was built as an experiment to see what you could get out of ONE transistor (about 250 mw with no chirp) and the "shoes" were added later to get a whopping one watt of rf out.
http://my.core.com/~jematz/qrp/k9ppw-s1.htm

Klik voor vergrotingFox transmitter for 80m by PA3HCM
One of the members at the club pointed me at the so-called “OXO transmitter”. I looked it up at the internet, and immediately liked its simplicity. So I started to build it.
http://www.pa3hcm.nl/?p=294#more-294

Klik voor vergrotingFrequency agile 80 metre CW QRP transmitter by VK3YE
http://home.alphalink.com.au/~parkerp/projects/pro80cw.htm
 
 

Klik voor vergrotingFuchsjagdsender - Der kleine Fox durch DL1DMW
Wer schon einmal an einer Fuchsjagd teilgenommen hat, weiß, wie viel Spaß sie bereiten kann. Für die Fuchsjagden des Ortsvereins Soest, wurde dieser wenig aufwendige 80-m-Fuchs aus zwei vorhandenen Lösungen kombiniert.
http://www.amateurfunkbasteln.de/fox/fox.html

Klik voor vergrotingOARC-80 by WAØITP
This is a fun little QRP transmitter that was developed for a club project. I had wanted to try an oscillator on a chip, but had heard the Epson chips had phase shift problems.
http://www.wa0itp.com/oarc80.html

Klik voor vergrotingSimple 80m TX by EI9GQ
This simple circuit will give about 1.2 Watts of output when powered from a 13.8VDC supply. If you don't have a 2SC1237, try any other 12V CB radio output transistor 2SC1969, 2SC1307 etc.
http://homepage.eircom.net/~ei9gq/tx.html

Klik voor vergrotingTAG 80 Transmitter by G4RAW
Original Circuit in SPRAT Summer 1994 Iss Nr 79
The original version was built on tag strip, hence the name.
http://www.qsl.net/g3pto/g4raw.html

Klik voor vergrotingTen Minute Transmitter by G4RAW
Steve, G4RAW described this simple transmitter for 80 metres in Sprat 82 and describes how the World record for building a rig , actually a Oner, and having a QSO, is under 15 minutes.
http://www.zerobeat.net/g3ycc/tenmin.htm

Klik voor vergrotingThe Nipper 3.5MHz Transmitter
I think that this circuit was developed by G3ROO but my notes are lacking in this information.
http://www.qsl.net/g3pto/nipper.html
 

Klik voor vergrotingYour first transmitter by PA3HCM
With just a few components, you can make your own morse code transmitter. The output is only a few miliwatts, but this is enough to receive on any radio in your home.
http://www.pa3hcm.nl/?m=200208


Creatie datum : 12/08/2007 @ 10:49
Laatste wijziging : 02/09/2018 @ 12:37
Categorie : 80m Projekten
Pagina gelezen 27848 keren


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