AR-20H
The Model AR-20H is a portable, lightweight, fully automatic band-switching RF booster amplifier for multiband VHF/UHF Tactical Radio equipment employing legacy, proprietary and emerging waveforms. The AR-20H produces 20 Watts from a nominal 2 Watts CW/PEP radio input and covers the frequency band of 30-512 MHz. The unit has a DC voltage range of 18 to 36 VDC vehicle power. The unit is designed for use with the latest modern networking formats including ANW2C and SRW. The AR-20H also includes voltage spike suppression, over temperature protection, RF sensing T/R switching, harmonic filters, lightning protection, and protection against antenna mismatch. The AR-20H has a typical 4 dB Noise figure and approximately 6 dB gain Low Noise Amplifier in the receive path. The AR-20H was tested to meet specific portions of MIL-STD-461F, MIL-STD-464C, MIL-STD-704F MIL-STD-810G and RTCA/DO-160G. The amplifier is comprised of rugged 4-piece aluminium case.
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| Frequency Range | 30-512 MHz |
|---|---|
| Power Output PEP | 20 W, + 2 dB/- 1 dB typical. CW or PEP AM Modulation; 1 kHz DOM 90%, < 14% distortion (< 10% distortion typical) |
| Input Power Range | 1.5-3 W CW or PEP for full power output. Up to 8 W without damage |
| RF Keying Sensitivity | 0.2 W typical |
| T/R Switchover Time | < 25 μS typical |
| Noise Figure | 4 dB typical |
| LNA Gain | 6 dB typical |
| Modulation | Amplifies all legacy and modern complex tactical communications waveforms |
| Input/Output Impedance | 50 Ω nominal |
| Input VSWR | 1.5:1 nominal |
| Harmonics | Better than – 60 dBc typical |
| Spurious Outputs | Better than – 70 dBc typical |
| Power Requirement | 18-36 VDC |
| Current | < 3.75 A Amps @ 24 V typical |
| Remote Keyline | Open drain for RX, 6-pin Keyline Connector |