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Broadband Performance High Directivity Low VSWR Excellent Coupling Flatness Compact Size and Lightweight Microwave Power Dividers & Couplers App Note Directivity and VSWR Measurement App Note CBR16-0003.s3p Electrical Specifications Parameter1 Frequency Range Min Typ Max Direct Line Insertion Loss (dB) 200 kHz-3 GHz 2.2 Coupling (dB) 16 VSWR 1.1 1.4 Directivity (dB) 800 MHz-3 GHz 30 40 200 kHz-800 MHz 25 Power (W) 1 Weight (g) 30 1Specifications guaranteed when operated in a 50Ω system. The CBR16-0003 offers the highest directivity of any standalone 3 GHz bridge coupler on the market. It provides an extremely high degree of measurement accuracy for forward power measurements, and can also be used to measure VSWR/return loss (see Directivity and VSWR Measurement App Note). The flat coupling ratio, high directivity, and broadband performance to 200 kHz make the CBR16 -0003 an excellent ‘black box’
HIGH DIRECTIVITY BRIDGE COUPLER CBR16-0003 Page 2 Forward & reflected power measurement using high directivity bridge coupler Typical Performance Fig. 1. Direct line insertion loss. Fig. 3. Coupled port power. Fig. 2. Return loss. Fig. 4. Directivity. Model Number Description CBR16-0003 200 kHz-3 GHz 16 dB High Directivity Bridge Coupler with SMA connectors¹, LEAD-FREE/RoHS COMPLIANT 1Default is SMA female connectors. Consult factory for other connector options. Marki Microwave reserves the right to make changes to the product(s) or information contained herein without notice. Marki Microwave makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Marki Mi crowave assume any liability whatsoever arising out of the use of or application of any product. 0 0.5 1 1.5 2 2.5 3 Frequency (GHz) Insertion Loss (dB)Insertion Loss (dB) -25 -20 -15 -10 0 0.5 1 1.5 2 2.5 3 Frequency (GHz) Coupled Power (dB) -40 -35 -30 -25 -20 -15 -10 0 0.5 1 1.5 2 2.5 3 Frequency (GHz) Input Output Coupled Return Loss (dB) -60 -50 -40 -30 -20 -10 0 0.5 1 1.5 2 2.5 3 Frequency (GHz) Directivity (dB)