This high linear preamplifier was developed for 1...2 GHz directional radio links. It is suitable especially for applications where a high intermodulation distortion ratio and at the same time a high input sensitivity are used. As example for RADAR preamplifiers or for digital directional radio distance with DVBT-DVBS-COFDM and QPSK modulation. The coupling happend through 3dB hybrids, which guarantee an excellent input SWR and linearity of the preamplifier. A high stimulus capability and simultaneously a low noise figure makes the preamplifier for many applications usable. The voltage supply via coax cable (remote power supply) or direct at the case is possible.
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Frequency range | 1000..2000 MHz |
Noise figure @ 18 °C | typ. 0.8 dB, max. 1.0 dB NF |
Gain | min. 28 dB |
Maximum input power | 10 mW |
Output power (P1dB) | typ. 200 mW (+23 dBm) |
Output IP3 | typ. +37 dBm |
Input return loss (S11) | min. 10 dB |
Output return loss (S22) | typ. 10 dB |
Supply voltage | +12 ... 15 V DC |
Current consumption | typ. 350 mA |
Operating case temp. range | -20 ... +65°C |
Case | milled aluminium |
Dimensions (mm) | 78 x 41 x 22 |
Weight | 100 g (typ.) |