Icom Ah 4. AH4 HF + 50 Mhz Automatic Antenna Tuner Instructions Inside the Icom AH-4 Tuner This paper describes the Icom AH-4 wide range antenna tuner Tuner Analysis: I terminated the "Radio side" of the tuner with a "perfect" 50 ohm resistor and used MathCAD to calculate the impedances on the "Antenna side" while stepping through the allowed component values (both L and C) for two cases (0 - 2400 pF capacitor bank on the.
AH4 autom. Antennentuner Outdoor Bei Neuner Funk kaufen from www.pmr-funkgeraete.de
Weather-resistant construction, easily fitted in a variety of locations It provides reliable matching of frequencies from 3.5 to 54 MHz when using a wire of at least 23 feet (7 m) in length.
AH4 autom. Antennentuner Outdoor Bei Neuner Funk kaufen
The "PTT tune" function provides for simple operation when band-changing Just push [TUNER] switch on most modern Icom transceivers and the AH-4 adjusts immediately to the minimum SWR The AH-4 automatically performs tuning operations for mode, power settings, etc
Ah4 Automatic Antenna Tuner med.tu.ac.th. Just push [TUNER] switch on most modern Icom transceivers and the AH-4 adjusts immediately to the minimum SWR The AH-4 automatically performs tuning operations for mode, power settings, etc
AH4 HF + 50MHz Automatic Antenna Tuner Radio Nusantara. Icom is an outstanding, comprehensive radio manufacturer that produces radio communication equipment of all genres, from amateur radios to terrestrial, marine and avionics radios, as well as LTE, WLAN and satellite radios. I analyzed the Icom AH-4 tuner using the circuit of Figure 1