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Product Description
The CPDC4X1 GPS Combiner (GNSS Combiner) is a four input, one output device. The frequency response covers the entire L-band (all GNSS Frequencies) with excellent flatness. In the standard configuration, DC is passed from a connected GPS device through the combiner to both inputs (antenna ports). The connected GPS device or receiver will continue to maintain a GPS lock in the event of an antenna failure.
Electrical Specifications, TA = 25°C
| Parameter |
| Conditions | Min | Typ |
| Max | Units |
| ||
| Freq. Range |
| Ant – Any Output, Unused Outputs - 50Ω | 1.1 |
|
| 1.7 | GHz |
| ||
| Input/Output |
| Any Antenna/input to output |
| 50 |
|
| Ω |
| ||
| Impedance |
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| Input SWR |
| All ports - 50Ω |
|
|
| 2.0:1 | - |
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| Output SWR |
| All ports - 50Ω |
|
|
| 1.5:1 | - |
| ||
| Insertion Loss |
| Any Antenna – Output, Unused Outputs - 50Ω | -7.5 | -8.5 |
| -9.5 | dB |
| ||
| Gain Flatness |
| Any Input/Antenna port – Output, |
|
|
| 1.0 | dB |
| ||
| Amplitude Balance |
| Any Input/Antenna port – Output, |
|
|
| 1.0 | dB |
| ||
| Phase Balance |
| Any Input/Antenna port – Output, |
|
|
| 1.0 | deg |
| ||
| Isolation |
| Input Ports - Output - 50Ω |
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| dB |
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| Group delay |
| Input 1-4 – Output, 50Ω |
|
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| 1 | ns |
| ||
Downloads
| File | Type | Description |
| CPDC4X1-specsheet-2015.pdf | Spec Sheet | CPDC4X1 GPS combiner spec sheet |