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| The WiNRADiO WR-ACD-1800 Dual Antenna Combiner solves the age-old problem of connecting two separate HF and VHF/UHF antennas to a wide-band communications receiver. In addition to this basic functionality, this product can also serve as a DC power injector for active antennas, both for HF and VHF/UHF antenna sections.
Simplicity of installation, low insertion loss, high input isolation and wide-band operation, all make this product eminently suitable for general-purpose wide-band communications and scanning receivers from 9 kHz to 2.5 GHz, with antenna cut-off frequency 30 MHz.
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The WiNRADiO WR-ACD-1800 Dual Antenna Combiner is connected between the antennas and receiver using SMA connectors and suitable low-loss coaxial cables.
No power supply is required for the combiner operation. To provide DC power to active antennas (for example the WiNRADiO AX-81S Active HF Antenna), we recommend using WiNRADiO SF-41 range of low-noise linear power supplies.
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| Technical Specifications |
| HF Input |
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| Insertion loss |
0.4 dB @ 20 MHz |
| Cut off frequency |
30 MHz @ 3 dB |
| Pass band |
9 kHz - 30 MHz |
| Type |
5-section Low Pass |
| Input impedance |
50 Ohms |
| Attenuation |
>35 dB @ 45 MHz |
| VHF/UHF input |
| Insertion loss |
0.5 dB @ 60 MHz |
| Cut off frequency |
45 MHz @ 3 dB |
| Pass band |
45 MHz - 1.8 GHz |
| Type |
5-section High Pass |
| Input impedance |
50 Ohms |
| Attenuation |
>30 dB @ 30 MHz |
| Typical isolation between inputs |
48 dB |
| Connectors |
SMA (in/out), DC jack for power supply |
| Output |
| Frequency range |
9 kHz - 1.8 GHz |
| Output impedance |
50 Ohms |
| DC input |
| Max. input voltage |
50 V DC |
| Max. current |
250 mA |
Specifications are subject to change without notice due to continuous product development and improvement.
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