With round-about 10kg both power amps are still useasble for portable or expedition purposes. All settings are done via an easy to use colour touch display, which also shows the most important informations. The devices are equipped with a high-quality swithcing power supply, which provides 50V to the finals. For remote control bith amps are equipped with an Ethernet connection. A Windows software provided for free from the manufacturer allows the control and setting of the most important operating parameters.
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Their uses vary, from a simple gain block used to amplify low-level signals to more useful levels pre-drivers , to Low Noise Amplifiers LNA used in receiving systems for satellite TV, EME, or weak-signal terrestrial work. The small PC board shown to the left next to a quarter was designed to be adaptable to many of the common device form factors available to us. The next few photos show some examples I Like this package the best because it has a large grounding tab at the top, which helps to draw heat from the device these operate at 3 to 5v up to ma. The PGA is quite easy to use