CSD-20Z-3.5G

      Here is the description about CSD-20Z-3.5G of the DIRECTIONAL COUPLERS. The Multi-Mix(R) CSD-Z series provides directional couplers with low insertion loss, low VSWR, and high power handling in a small outline.    Precise coupling and frequency sensitivity make them ideal for applications involving power amplifiers, signal distribution and processing. CSD-Z directional couplers are fusion bonded multilayer stripline assemblies. CSD-20Z-3.5G fusion bonding process yields a homogeneous monolithic dielectric structure with reliability, ruggedness, and electrical performance that is superior to conventional adhesive bonding techniques. The CSD-Z series is an easy to install SMD designed specifically for the full spectrum of wireless applications.  The high stability ceramic filled PTFE dielectrics utilized in these components are compatible with common substrates such as FR-4, G-10, and polyamide. The wrap around ground plane provides excellent EM shielding.
      Here are the features: CSD-20Z-3.5G is from 3.3 to 3.7 GHz. And it is HIGH POWER.100 WATTS CW. It is LOW LOSS. It is LOW VSWR. It is SURFACE MOUNT.
      And here are the Electrical Characteristics (CW input power, tested in fixture with heat sink at 25° C). FREQUENCY RANGE is from 3.3 TO 3.7 GHz. MEAN COUPLING is 20.0 +/- 1.0 dB. The INSERTION LOSS is 0.2 dB (MAX). VSWR is 1.25:1 (MAX). The FREQUENCY SENSITIVITY is +/- 0.36 dB (MAX). DIRECTIVITY is 15 dB (MIN). MAXIMUM INPUT POWER is 100 W (MAX). SIZE / OUTLINE is 0.18 x 0.18 x 0.035 inches. The WEIGHT is 0.002 oz. RF INTERFACE is Surface Mount. The OPERATING TEMPERATURE RANGE is from -55° to + 85°C.
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