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CRZ-B Series
WIDEBAND DIRECTIONAL COUPLERS
10 to 1000 MHz / 4-Port / Miniature MMIC Compatible Design / Minimal Size and Weight / Case-Free
PRINCIPAL SPECIFICATIONS
Model Number CRZ-11B-500 CRZ-20B-500 Coupling, dB 11 1 20 1 RF Bandwidth 10 to 1000 MHz 10 to 1000 MHz
GENERAL SPECIFICATIONS
Impedance: 50 nom. Frequency Sensitivity: 1 dB, max. Insertion Loss (above Coupling Value): 10 to 500 MHz: 1 dB max. 500 to 1000 MHz: 1.5 dB max. Directivity: 10 to 300 MHz: 20 dB min. 300 to 800 MHz: 15 dB min. 800 to 1000 MHz: 13 dB min. VSWR: 10 to 500 MHz: 1.5:1 max. 500 to 1000 MHz: 1.8:1 max. CW Input: 1 W max. Weight, Nominal: 0.007 oz. (200 mg) Operating Temperature: -- 55 to +85
Coupling Value is referred to Input Port
B-size Outline
General Notes: 1. Bi-directional couplers in the CRZ-B CaseFree series are size and process compatible with MMIC and other similar sub-miniature components. Their low 0.130" profile facilitates integration with hermetic packages using silver epoxy, solder or wire bonding attachment methods. 2. Similarly constructed couplers are available in the CBZ-B series with the "reverse coupled port" terminated for use as a 3-port directional coupler. 3. Applications of directional couplers include monitoring of incident and reflected power, signal sampling for control loops and test signal injection devices in BITE.
03May96
NOTES: 1. Tolerance on 3 place decimals .010(.25) except as noted. 2. Max. is largest dimension allowed. 3. Dimensions in inches over millimeters.
Pad 1 2 3 4
Function Main Output Main Input Forward Coupled Port Reverse Coupled Port
For further information contact MERRIMAC / 41 Fairfield Pl., West Caldwell, NJ, 07006 / 973-575-1300 / FAX 973-575-0531

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