SUNNY Directional Coupler SUN-DC-825-XXX-YY-Z(Z) – Customer FAQ 040705
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| Q) |
What are the Power Rating selection for SUN-DC-825-XXX-YY-Z(Z) ? |
| A) |
100W or 200W models. Where XXX in model number means power rating. |
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| Q) |
Can SUN-DC-825-XXX-YY-Z(Z) support 3dB ? |
| A) |
Yes, we also provide 3dB model in 200W. The size is smaller than other coupling power model. |
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| Q) |
What are the Frequency Range of SUN-DC-825-XXX-YY-Z(Z) ? |
| A) |
The frequency range covers 800-960MHz and 1710-2500MHz. Where 825 in the model number means the frequency range. |
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| Q) |
What is the Operating Temperature Range of SUN-DC-825-XXX-YY-Z(Z) ? |
| A) |
The unit can operate in wide temperature range from –35 to 125 deg. |
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| Q) |
What is the Directivity of the Directional Coupler ? |
| A) |
≥20dB |
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| Q) |
What is VSWR value in these bands ? |
| A) |
<1.2 |
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| Q) |
Does SUN-DC-825-XXX-YY-Z(Z) perform any Vibration test ? |
| A) |
The sample unit does random vibration test 5-500Hz in 60 minutes based on the
condition of 2.3.1 for GJB150.16-86. The result is pass for both outlook and specification |
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| Q) |
Does SUN-DC-825-XXX-YY-Z(Z) perform other Vibration test ? |
| A) |
The sample unit was hit 3 times by 10g acceleration, 11ms pulse in X, Y, Z axis. The test result is pass for both outlook and specification. |
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| Q) |
What is the relationship between Coupling (dB) and Insertion Loss (dB) ? |
| A) |
The formula are shown in the following |
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Splitting Ratio = 10log(-1/A+1), where A=10^(Coupling/10) |
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Insertion Loss = Splitting Ratio + Dissipative loss |
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| Q) |
What is the material for Directional Coupler Connector Pin ? The customer is worry
about oxide effect. |
| A) |
The Connector is used Gold plated connector. |
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| Q) |
Can the customer select Silver Plated Connector instead of Gold Plated connector ? |
| A) |
Yes, the customer can select Silver Plated connector. The dissipative loss 0.15dB
better than Gold Plated connector. |
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| Q) |
Can the customer choose other Connector instead of N(F) ? |
| A) |
- Yes, the customer can choose other connectors such as SMA and DIN Connector. If the customer chooses DIN Connector, the size of the Directional Coupler will be larger than using N connector.
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