Ultra High dynamic range Low band pre-amplifier - DX … · Ultra High dynamic range Low band...
Transcript of Ultra High dynamic range Low band pre-amplifier - DX … · Ultra High dynamic range Low band...
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Ultra High dynamic range Low band pre-amplifier
Very High Dynamic Range, dual common-base broadband RX-amplifier.Dedicated to extreme demanding DX operations.Beverages, RX-loops, etc.Extremely high 2nd and 3rd order input intercepts (IP2 and IP3)Frequency= 1MHz to 30MHzGain= 12dBsIP3= +35dBmIP2= +95dBm
Inspired on the legendary Norton Pre-amplifier design
circuit diagram:
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Span from 1MHz to 55Mhz
Specially designed for max performance on Low-bandgain substantially 11dBs near 2 S-units, from 160m to 20m
For the most demanding DX operations on Top Band.Superb clear and louder reception on your RX-antenna.
• Beverages• Loops• K9AY• Flag• 4 squares• Dipole• Long-Wire • etc
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160m gain
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80m gain
40m gain
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30m gain
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Consume: 150mAVoltage input max: 14VConnectors : BNCTransistors: 2N3866AIN/OUT 1:1 transformers : minicircuits 50Ohms Balanced Transformers: Amidon FT50-43
Good luck and good DX
António Matias
www.dxpatrol.pt www.ct1ffu.com
CT1FFU