AM Ham Radio Transmitter

The newSpitfire AM Transmitter is here, fully built and tested ! TheSpitfire printed circuit board uses a grounding technique that splits the RF and Audio grounds, as well as providing and external grounding point.

Drive unit, Racal 100 Milliwatts output, Ex Navy. Serial number 1134. Replaced the 20 volt line tantalums which always cause trouble. Mains plug NOT included but If you want I will attach a mains cable, a few feet, or shorter.

The BG7TBL noise source is a wideband noise source that can provide strong noise over the entire frequency range of the RTL-SDR.

New Design- with Plug-In (MW) and optional Short Wave (SW) Coils ! MW coil ready made - that has already been done for you! And simple to follow instructions with both schematics and wiring diagrams!

This is a class E transmitter with line I/P and built in MP3 player! Class A linear High Level modulator, with excellent audio response (50Hz-10KHz). 3W carrier @ 12V (12W PEP).

This unit is a highly efficient professional AM transmitter with up to 250W of clean output. Its synthesized exciter with advanced DDS technology is designed for pristine audio quality and unsurpassed reliability.

Photocopy of Pye Linear Amplifier Service Sheet Issue 2 1975. Covers all bands A, B, E and M.

British 100 Watt Air Ministry HF (High Frequency) wireless Transmitter 2.8 to 18.1MHz from STR18-C airborne transmittter-receiver set. Serial number FC266. Made by STC for RAF in 1954. Has 2 x 4x150 high power Valves forced air cooling had this running years ago.

2 gang - air spaced - 100pf 100 pf ( 200 pF if wired in parallel ) - 500V 500 V. Could be also used as high quality VFO variable capacitor. Frequency Band(s) HF. Precision high quality antenna tuner air variable capacitor.

THIS IS A COMPRESSOR LIMITER FOR FM OR AM TRANSMITTERS. IS MONO VERSION VERY GOOD CHOICE FOR ALL MONO TRANSMITTERS. FOR STEREO USE MUST BUY TWO PIECES. IDEAL CHOICE FOR STEREO ENCODER.

Transverter board 28MHz\. This transverter board allows to operate SSB, CW, FM in the range 50-52 MHz at presence in the your transceiver the 28 to 30 MHz band and these Mode (50-54 MHz if Frequency Range: 28–32 MHz).

1 gang - air spaced - 160pf 160 pf - 500V 500 V. Could be also used as high quality VFO variable capacitor. Frequency Band(s) HF. Precision high quality antenna tuner air variable capacitor. Two ball bearings on both side of the shaft.

Sold as is.

Power output 12W carrier 50W PEP @ 14V. Wire NOT included! This is a single ended Class E TX, VERY efficient! FULL instructions provided.

Frequency step: 1hz ,10hz,100hz,1Khz,10Khz,100Khz,1Mhz from DDS. it can work on 35w and more without modulation. Ptt out for connection with linear (rca con.). Power :20w and more adjustable(80w pep) in 50ohm ,pl259 con.

It utilizes 2 transistors. You can connect the AF input (modulator input) directly to a casette player, MP3 Player, Ipod, PC sound card or CD player's output. So you can listen your music on your AM radio whatever if the radio is old or new.

THE DDS SAVES THE LAST FREQUNCY AND STEP. ,AUDIO PROCESSOR AND THE DDS. This is the heart of a very high quality mw transmitter. This is an rf generator with am modulation and very low distortion in audio and carrier.

Here's a handcrafted QRP shortwave radio transmitter which is designed to work on AM or CW mode. It utilizes 3 transistors. The output power is 150 miliwatts. Also you can connect a microphone amplifier if you want to transmit voice.

THE DDS SAVES THE LAST FREQUNCY AND STEP. ,AUDIO PROCESSOR AND THE DDS. This is the heart of a very high quality mw transmitter. This is an rf generator with am modulation and very low distortion in audio and carrier.

SIMILAR TO DOW KEY TYPE. HAS 2. HAS NEW SO-239 CONNECTORS. IT HAS A ELEVEN PIN RELAY, WITH SOCKET MOUNTED ON TOP. IT IS HOUSED IN A NICE, NEW ALUMINUM BOX.

The hood has a cable clamp so a power cord will have the proper strain relief. The Cable Clamp can be easily removed by removing one rivet that holds it onto the hood if you only need to use this item as a shorting plug for the EF Johnson Ranger and other EF Johnson transmitters that use the 9 pin Male octal plug.

VSWR Chart. PC Board With Parts Installed. Forward / Reflected Power Switch with hardware. 2 X SO - 239 connectors with hardware.

High quality Built & Tested AM DDS Transmitter Board. Pout : 16 Watt PEP. Watt PEP. Tuning Design: DDS Technology. RF Output Power: 0 to 16 Watt PEP Adjustable. 2X16 LCD with back lighting and blue colour.

High quality Built & Tested AM DDS Transmitter Board. Pout : 1 Watt PEP. Watt PEP. Tuning Design: DDS Technology. RF Output Power: 0 to 1 Watt PEP Adjustable. 2X16 LCD with back lighting and blue colour.

IT WILL NEED TO BE STRIPPED AND RE DONE. NO EXTRA HOLES AND NOT BENT.

This product was Made in the USA.This 2 Pin (off set) connector was used for the Collins 32V-1, 32V-2, and 32V-3, and was also used on several Heathkit Radios like the HW-101, and Several EF Johnson Transmitters.

STAL1000 AM/FM WIDE BAND STUDIO TO TRANSMITTER AUDIO LINK. The STAL1000 Transmitter includes a low distortion and high dynamic range synthesizer with an elaborated design to minimize deviation spread across the full band of operation.

ONE FOR 75A4 -- ONE FOR 75S3B/C. HERE ARE TWO FILTERS FOR COLLINS RECEIVERS -- ONE FOR THE 75A4. 08 CW FILTER. THE OTHER IS FOR A 75S3B/C. 05 CW FILTER. BOTH OF THESE ARE GREAT FOR CW WITH NARROW BANDWIDTHS.

(3) Frequency : 655kHz(Base), 1310kHz(Harmonic), FIXED. (A) 655kHz, the base frequency, good quality sound with fine tuning but difficult to fly long. (B) 1310kHz, the 2nd harmonics, can fly longer and be tuned with digital radios.

This item has been tested by our technician, a ham radio operator of more than 55 years. Here's what he had to say This radio is in very good condition for its age showing little wear! The radio also has the optional RF processor installed.

Pout : 800 mWatt PEP. mWatt PEP. RF Output Power: 0 to 800 mWatt PEP Adjustable. High quality Built & Tested AM DDS Transmitter Board. Tuning Design: DDS Technology. Display Audio Modulation on the 2nd line of the LCD.

STAL100 STUDIO TO TRANSMITTER AUDIO LINK. TheSTAL100 Transmitter is equipped with a low distortion and high dynamic range frequency synthesizer featuring reduced dispersion modulation throughout the operational range.Maximum output power is8/10 W using MOS technology.

THIS SWITCH SIZES WITHOUT THE SHAFT.

THE CRYSTALS ARE NOS, NEVER USED, STAMPED 9/61 (1961 MFG?). I HAVE UPGRADED THE PIN SIZE WITH OCTAL TUBE PINS SO THEY WILL FIT A STANDARD CRYSTAL OR OCTAL TUBE SOCKET.

Type V 100 pF 15kV 25A 30MHz. Russian Vacuum Capacitor. Capacitor in original individual box including datasheet. Capacitor have "OTK " and " <> " markings on them. Lot of 1 capacitor. Nominal HF current – 25A.

By this small low power transmitter you can listen your CD's, casettes or computer's sound card on your old radios. It utilizes 2 transistors. You can connect the AF input (modulator input) directly to a casette, PC sound card or CD player's output.

Pout : 400 mWatt PEP. mWatt PEP. RF Output Power: 0 to 400 mWatt PEP Adjustable. DDS Transmitter Board. Tuning Design: DDS Technology. High quality Built & Tested AM C-QUAM STEREO. Modulation Type: AM C-QUAM Stereo System.