ACS-001
The ACS-001 system is an active antenna combiner, and an antenna selector switch. It is primary designed to reduce the number of antennas in an installation, and allows the simultaneous use of several radios to one transmit antenna or to individual directional antennas. A receive distribution amplifier is included to allow simultaneous reception on all receivers.
The system was originally designed to be used on stealth ships, and controlled the following antennas:
- 4 hull-integrated directional 118-430 MHz antennas that can be routed to individual transmitters.
- 1 low signature omnidirectional 118-430 MHz antenna that can be used by all transmitters simultaneously.
- 1 telescopic whip 30-90 MHz antenna, to be used by a dedicated Lo-VHF transceiver. Up/down also controlled from ACS-001.
- 1 active receiving antenna, 30-430 MHz.
The system is transparent for up to 4 simultaneous transmissions on the omnidirectional 118-430 MHz antenna.
The system is controlled using a TFT touch panel or with a Windows PC application.
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| Number of Transceivers | 12, VHF-UHF 1, Lo-VHF |
|---|---|
| Number of Additional Receivers | 11 |
| Frequency Range | V/UHF118-174 MHz and 225-430 MHz VHF30-90 MHz |
| Maximum Transmitter Power | 25 W *12, VHF/UHF 50W, Lo-VHF |
| Maximum Outpt Power to Common Antenna | 400 W PEP |
| TX/RX Switching | RF VOX, switch time < 100 µs |
| TX Intermodulation, Signals in Same Band | Two tone: 25 W*2: > 45 dB Three tone: 25 W *3 > 40 dB |
| Isolation | TXa to TXb: > 40 dB TXa to RXb: > 60 dB |
| Frequency Response | Flat within ± 3 dB through combiner, when 4 or less simultaneous transmitters Less than 2 dB loss from transmitter to sectional antenna |