Product List

Products include:  RF Linear Power Amplifiers (70, 33 & 23cm bands),  Low Noise Pre-Amplifiers (LNAs), Ultra-Wideband Amplifiers (kHz to GHz),  Bias Tee,  TV Transmitters (VUSB-TV, FM-TV & DVB-T), FM-TV Receiver, 70cm Band-Pass Filters & Duplexer    —  For detailed spec. sheets for each product, click on the link next to the description for a .pdf file that can be down-loaded.

NEW PRODUCT:  Programmable Crystal Oscillators — specifically designed as crystal replacements in PC Electronics AM-TV transmitters, $20  Also available 100 kHz to 212 MHz for $30  —  Model PXO-xxx specs-rev 2

RF LINEAR POWER AMPLIFIERS   product brochure—  amplifiers-oct2016

note:  power ratings are:  P(saturated) for CW & FM  / P(pep) for VUSB-TV  /  P(rms, avg) for DTV

23cm, 25/15/3 Watt, 50 dB Amplifier  Model 23-11A Specs rev 9-18

33cm, 50/20/6 Watts, 50 dB Amplifier  Model 33-3B Specs rev10-17

33cm, 15/6/2 Watts, 42 dB Amplifier   model-33-1a-specs-rev12-16

70cm, 60W/25W/10W, 50 Amplifier   Model 70-9B Specs rev10-17

70cm, 20/10/3 Watt, 50 dB Amplifier    model-70-7b-specs-rev12-16

LNAs & Broad-Band AMPLIFIERS  — product brochure  Amp brochure


70c, 0.5dB NF, 21dB gain, LNA, Pre-Amplifier, NEW PRODUCT ! —  Model 70-LNA specs

23cm, 0.9dB NF, 16dB gain, LNA, Pre-Amplifier — Model 23-4LNA Specs Rev Nov2019

Wide-Band LNA, < 0.8dB NF 2m thru 23cm, useful 50MHz to 2.4GHz  NEW PRODUCT ! — WBLNA3specs

Bias Tee – 144-2400 MHz, 50V, 2 Amps,  NEW PRODUCT ! —  BT-UHF specs

Ultra Wide-Band AMPLIFIERS  — NEW, Lower  Prices ! ! !

1 kHz – 1.5 GHz (-3dB BW), useful to 7 GHz, low-noise 2.5 dB NF, 23 dB, +12 dBm     Model UWBA-101 Specs

1 kHz – 5 GHz (-3dB BW), useful to 10 GHz, 11 dB, +14 dBm     Model UWBA-102 Specs

250 kHz – 3 GHz (-3dB BW), useful to 8 GHz, 20 dB, +22 dBm  NEW PRODUCT !    Model UWBA-103 Specs


70cm, 10W/3W/1W,  analog, NTSC, VUSB-TV Transmitter    model-70-10ad-specs-rev12-16

23cm, 3 Watt, analog, NTSC,  FM-TV Transmitter    Model 23-1 Specs rev April 2017

33-23cm, 20 dBm, analog, NTSC, FM-TV Modulator   Model 23-8 Specs-April 2017

70cm, 33cm & 23cm, hi-def (1080p), DVB-T, Digital TV Transmitters — order a modulator (such as a model HV-320E) from Hi-Des (  ) and use one of our rf linear power amplifiers.


23cm Down-Converter, 22 dB conv. gain, 0.9 dB NF   Model 23-7 Specs Rev 10-18

23cm Up-Converter, 15dB conv. gain, programmable LO  Model 23-6 Specs Rev Oct 2018

FM-TV RECEIVER — 70 MHz IF Amplifier & FM-TV Demodulator    — use with the model 23-7 down-converter to have a complete 23 cm FM-TV receiver    Can be used with any down-converter to make a microwave FM-TV receiver.    Model 23-5 Specs rev 03-17


70cm, 420-450MHz (< 1 dB) bandwidth, Band-Pass Filter  Model 70-BPF Specs

70cm, 6 MHz bandwidth, Band-Pass Filter  Model ATV-BPF-XXX specs

70cm, UHF Duplexer  Model ATV-DPX specs revSept2019

DETAILED SPECS: Detailed spec. sheets for all products in .pdf format, complete with photos and spectrum plots, are available here on this web site. Click on the links above highlighted in blue.   Instruction manuals are also available upon request.  All products come with a test report.

Rev:  20 August 2020, kh6htv