qrp transmitter

35 links

Breadboard Radio - Maker of QRP Kits, QRP CW receiver and transmitters, audio CW Filters, antenna tuners, dummy loads, and morse code practice oscillator
[ Hits: 1275 | Votes: 1 | Rating: 10 ]
HF SIGNALS ^updated - Makers of QRP HF General Coverage Transceivers you can build. The Home of BITX transceivers, uBITX General Coverage Receiver-Transmitter. A general coverage, 10 watts HF SSB/CW transceiver kit with features you NEED for operating ease, convenience and versatility. It works from 3 MHz to 30 MHz, with up to 10 watts on SSB and CW, with a very sensitive receiver.
[ Hits: 454 | Votes: 6 | Rating: 9.5 ]

QRP - Low Power Operating ARRL - QRP is a way of operating that involves using low power transmitters, that are no more than 5 Watts for Morse or data modes, or 10 Watts pep for voice. Introduction to QRP operations
[ Hits: 64 | Votes: 1 | Rating: 8 ]

Chinese uSDX Review - A review of the Chinese version of uSDX USDR HF QRP Transceiver. Author made an extensive review of receiver and transmitter features.
[ Hits: 250 | Votes: 1 | Rating: 10 ]

CW Decoder - This free windows program allows CW operators to copy CW code with a computer. The decoded CW is displayed as text or can generate a side tone. There is a spectrum display of the audio with a sliding cursor to select a particular audio for decoding. The program also allows for keying a transmitter from the keyboard with full CW break-in operation.
[ Hits: 3188 | Votes: 8 | Rating: 5.5 ]

Arduino Beacon - A new multi-mode QRP radio beacon built around the Arduino. The beacon started with the usual lash-up on the bench, hooking the previously reported Wotduino and DDS Shield up to a driver and a transmitter module, as previously used for the Raspberry Pi beacon
[ Hits: 680 | Votes: 0 | Rating: 0 ]

A Micro QRP Transceiver Project - A family of small size QRP SSB transceivers for the 15 MHz. Includes a cigarette pocket size QRP transceiver and a larger shirt-pocket transceiver.
[ Hits: 742 | Votes: 4 | Rating: 5.5 ]
Micro24 Cigarette Pack SSB QRP Transceiver for 20m - The Micro24 is a ultra compact microsize QRP SSB transceiver for the 20 meters amateur radio band. This transceiver is so small that it fits into one hand.
[ Hits: 1035 | Votes: 6 | Rating: 7.33 ]
The Micro20 III Pocket Size SSB RTX for 20m - DK7IH QRP transceiver for 14 MHz. This small and compact home made transceiver with a max power output of 5W, the VFO module is based on the clock oscillator chip Si5351A by Silicon Labs ATmega168 and OLED 1306
[ Hits: 212 | Votes: 2 | Rating: 10 ]
136 kHz QRP Transmitter - The Marathon is a low power transmitter for 136 kHz
[ Hits: 174 | Votes: 1 | Rating: 6 ]
Gimme Five - QRP SSB Transceiver - Gimme Five reloaded, a compact 5 band QRP SSB transceiver in SMD technology. This unit covers 5 bands within the amateur radio spectrum (3.5, 7, 14, 21 and 28 MHz). Receiver is a single conversion unit with an interfrequency of 9 MHz. Transmitter uses 5 stages and has got a power level of 10 watts PEP output.
[ Hits: 265 | Votes: 1 | Rating: 10 ]

7 MHz QRP transmitter - A 40 meter QRP - Transceiver by DL5NEG
[ Hits: 596 | Votes: 0 | Rating: 0 ]
80 meter Ceramic Resonator VXO CW Transmitter - Frequency agile 80 metre CW QRP transmitter. Ceramic resonators vary in the frequency shift obtainable. The one in the prototype of this article gave 3.525 to 3.558 MHz coverage.
[ Hits: 203 | Votes: 1 | Rating: 1 ]
QRP 20m Transmitter - The 1 watt 20 meter QRP transmitter with VXO. This is a nice QRP transmitter that can be used in combination of one of the simple receivers.
[ Hits: 133 | Votes: 0 | Rating: 0 ]
17 meter QRP Transmitter - 1-watt 17-meter cw transmitter that was originally done about 10 years ago as a club project for RAMS, the Radio Amateur Megacycle Society. It uses a VXO, rather novel at the time. It also uses a bandpass filter at the output rather than the usual lowpass
[ Hits: 105 | Votes: 0 | Rating: 0 ]