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, & TV Repeaters. — 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: Amplifier 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
LOW NOISE PRE-AMPLIFIERs – LNAs & BIAS TEE
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
TV TRANSMITTERs (VUSB-TV, FM-TV, & DVB-T)
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 ( www.hides.com.tw ) and use one of our rf linear power amplifiers.
DOWN-CONVERTER & UP-CONVERTER
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
BAND-PASS FILTERs & DUPLEXER —
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
TV REPEATERs 3 models available, 70cm in/out, 23cm in/70cm out, & 70cm in/23cm out Model DTV-Rptr specs
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: 24 May 2020, kh6htv
