Broadcast Concepts Inc
11700 NW 102
nd
Road Suite 4Medley FL 33178
Tel: 305.887.8400 FAX 305.887.8444
Broadcast Concepts Inc Revised 8/20/2014
5
Страница 1: ...e maximum current rating 26 A dc Insertion Phase variation unit to unit 3 5 degrees Power gain unit to unit 1 0 dB F2 Second Harmonic 35 40 dB F3 Third Harmonic 25 30 dB Bias Current Factory set 50V 9...
Страница 2: ...e used 2 Ensure mounting surface is flat to better than 0 0025 3 Use a thin layer of thermal compound on the backside of the PA no more than 0 001 0 002 thickness 4 Torque all screws to 10 12 in lbs U...
Страница 3: ...arts Transistor pocket must be cleaned with alcohol all debris removed and new thermal compound applied prior to installing new transistor Bias voltage should be adjusted to 0 5V before new part is in...
Страница 4: ...s greased down to the pallet baseplate the Rth j h value becomes 0 26K W as the thermal resistivity for the grease layer from the flange to the baseplate is approximately 0 15 C W Note We always use t...
Страница 5: ...Broadcast Concepts Inc 11700 NW 102nd Road Suite 4Medley FL 33178 Tel 305 887 8400 FAX 305 887 8444 Broadcast Concepts Inc Revised 8 20 2014 5...
Страница 6: ...ch which can cause the transistor to overheat and slowly burnout The cause of filter reactions is not fully understood however reflected harmonic energy at a certain phase and frequency is strongly su...
Страница 7: ...ast system there needs to be a low pass filter and directional coupler These components introduce losses We feel that this pallet can easily meet the design requirements for a 900W system That s 900W...
