ARRL Review: Elecraft KPA500 Amplifier
An overview of the Elecraft “KPA500” Linear Amplifier. See the complete review in the February 2012 issue of ARRL “QST magazine”. Video by ARRL HQ
Alpha 4040 QRO 4.000 Watts Automatic Antenna Tuner
The Alpha 4040 4 kilowatt 1.8-30 MHz antenna tuner is nearly complete. We expect it to ship during the first quarter 2012. This brochure will give some of the highlights of the product and some insight into the design choices that went into this exciting new tuner, but the design is subject to change. We…
Chinese Linear Amplifier HF 2011DX-a
Some additional information about new Chinese Linear Amplifier “2011DX-a” (Previous short information). The RF Power is 2000 Watts Final Powerful Tube: FU-728F Video:
New Mos-Fet 2m PA (500MOD144)
Operating Frequency : 144 MHz Power Output : 500 W ± 1 dB Power Input : 4 ~ 5 W Mode : FM – SSB – CW DC Power Supply : 48 ~ 50 DC Volt DC Current : 14 ~ 15 A Mechanical Measures : 110 x 65 mm Link
SEQ-QSK Microprocessor Controlled High Speed Sequencer
The Model SEQ-QSK High Speed Transmit/Receive Sequencer is a second generation microprocessor controlled sequencer with its origins from the SEQ-1 microwave sequencer product line. A one second Heartbeat is used to give a visual indication that the SEQ-QSK is functioning properly, and four green LED’s give a visual indication of the sequenced step operations. Delay…