transmit filter

transmit filter

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• Semi-automatic antenna tuner project - Thsi article describes a microcontroller driven semi-automatic antenna tuner capable of handling power levels up to 150 watts. The device is a low pass filter tuner manually tuned by setting the optimized L/C combination by hand and then storing the values into the EEPROM of the mictrocontroller to recall them later (seperately for each band from 80 to 10 meters including WARC bands)
  [ Hits: 291 | Votes: 0 | Rating: 0 ]

• 6m Half wave vertical - This antenna is very useful for receiving or scanning purposes, but you can use it for transmitting, too. It is 2,94m long and has a pi-configuration (Collins-Filter) for the matching.
  [ Hits: 3962 | Votes: 4 | Rating: 7.75 ]

• TX RX Systems Inc - TX RX Systems Inc. manufactures signal boosters, rf antennas, transmitter combiners, cell enhancers, land mobile radios, duplexers, receiver multicouplers, bidirectional amplifiers, bda, rf amplifiers, rf filters, rf cavity filters, rf combiners, rf components, in building rf coverage, repeaters, repeater amplifiers, rf management equipment, rf systems, and rf solutions. TX RX Delivers Reliable Solutions.
  [ Hits: 1640 | Votes: 5 | Rating: 4 ]

• Ameco - Text books relating to amateur radio (HAM radio), highpass and lowpass power filters, transmitter test loads (dummy loads), study tapes and disks to learn morse code, transceiver preamplifiers, antenna signal boosters.
  [ Hits: 2224 | Votes: 0 | Rating: 0 ]

• Breadboard Radio - Maker of QRP Kits, QRP CW receiver and transmitters, audio CW Filters, antenna tuners, dummy loads, and morse code practice oscillator
  [ Hits: 1313 | Votes: 1 | Rating: 10 ]

• TR-7 Transmit Filter Modification - Drake TR-7 A.M. Transmit Filter Modification
  [ Hits: 363 | Votes: 0 | Rating: 0 ]

• Harlan Technologies - Producers of custom name tags, luggage tags, club badges, Employee Name Tags, Special Event Badges, but also Comtech Amateur Radio Television Transmitters and Receivers D480 filters, Video cameras and accessories.
  [ Hits: 368 | Votes: 0 | Rating: 0 ]

• KI5YN QLF Filter - The QLF filter is a microprocessor based interface designed to go between a standard Morse code key and a radio transmitter
  [ Hits: 1942 | Votes: 3 | Rating: 4.67 ]
• The NVARC Ugly Filter Project - Project to build sets of band pass transmitting filters for reducing the interference between HF transceivers operated in close proximity
  [ Hits: 1035 | Votes: 4 | Rating: 9.5 ]
• Band-Pass Filters for HF Transceivers - Do your multiple-transmitter field day or contest efforts suffer from intrastation interference ?
  [ Hits: 4345 | Votes: 3 | Rating: 6.33 ]
• K2TR Coax Stub Filters - Multi transmitter filters
  [ Hits: 3251 | Votes: 7 | Rating: 6.43 ]
• Receiver Band-Pass Filters - Third-order Cauer filters can boost performance of multi-transmitter, multi-operator contest stations to the next level. The filters are practical and you don’t need expensive test equipment to align them.
  [ Hits: 885 | Votes: 1 | Rating: 5 ]
• Stub HF filter - Multi transmitter filters for HF Bands
  [ Hits: 535 | Votes: 0 | Rating: 0 ]

• PT40 7 MHz Transceiver by AA3SJ - Home made 40 meter transceiver project. The receiver is a Progressive Receiver with a few modifications. The Transmitter is a modified MFJ Cub circuit. Includes schematic and circuit diagrams for Receive Input Filter, 3-Pole 500 Hz Cohn Filter and 7 MHz Double Tuned Bandpass Filter
  [ Hits: 163 | Votes: 0 | Rating: 0 ]

• Ham Radio Circuits  ^pop - Circuits of SSB Transceiver, AM DSB Transmitter, Antennas, BFO, VFO, 807, FM Mike, Crystal filter and more.
  [ Hits: 36150 | Votes: 57 | Rating: 5.36 ]
• KI5YN QLF Filter - A microprocessor based interface designed to go between a standard Morse code key and a radio transmitter. The circuit receives a signal from the key, processes it, and re-transmits it to the radio.
  [ Hits: 352 | Votes: 0 | Rating: 0 ]

• QLF Filter - Microprocessor based interface designed receives a signal from a Morse key, processes it, and re-transmits it to the radio. A microprocessor in the circuit is pre-programmed with a proprietary algorithm which makes a number of measurements and adjustments to the less percise human generated code.
  [ Hits: 373 | Votes: 0 | Rating: 0 ]

• Guide to Harmonic Filters for QRP Transmitter - A Short Guide to Harmonic Filters for QRP Transmitter Output. - George Dobbs G3RJV
  [ Hits: 541 | Votes: 2 | Rating: 9.5 ]

• Filter your Raspberry PI Transmitter - How to limit unwanted harmonics from your raspberry Pi radio transmitter by introducing filters.
  [ Hits: 345 | Votes: 1 | Rating: 1 ]
• rpitx Multimode TX for Raspberry Pi - rpitx is a general radio frequency transmitter for Raspberry Pi which doesn't require any other hardware unless filter to avoid intererence. It can handle frequencies from 5 KHz up to 1500 MHz.
  [ Hits: 279 | Votes: 0 | Rating: 0 ]

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