722N Series Dual Directional Coupler

MECA’s 722N Dual Directional Coupler Series are high power capable with extremely low insertion loss and are ideal for your systems applications where precise monitoring, external leveling, signal mixing or swept transmission and reflection measurements are desired. Coupled ports are DC isolated and will only pass RF. Weather resistant models (IP61) also available.

722N Series Dual Directional Coupler
Made in USA
Click on Catalog Number to view spec sheet with outline drawing
Catalog
Number		 Freq.
(GHz)		 Power
(Watts)		 Coupling
Variation
(Total)		 Insertion
Loss
(Max)		 Directivity
(Min)		 VSWR
(Max)		 Length (in)
Weight (oz		 Add to
RFQ
722N-dB-0.600 0.400 - 0.800 500 ± 1.00 0.1 dB 25 dB 1.15:1 ~
722N-dB-0.900 0.800 - 1.000
0.600 - 1.200		 500 ± 0.60
± 1.60		 0.1 dB
0.1 dB		 27 dB
25 dB		 1.10:1
1.15:1		 ~
722N-dB-1.500V 0.800 - 2.200 500 ± 1.75 0.1 dB 25 dB 1.15:1 ~
722N-dB-1.650W 0.800 - 2.500 500 ± 2.20 0.1 dB 22 dB 1.15:1 ~
722N-dB-1.950 1.700 - 2.200
1.300 - 2.600		 500 ± 0.60
± 1.20		 0.1 dB
0.1 dB		 25 dB
22 dB		 1.10:1
1.15:1		 ~
722N-dB-3.100 2.000 - 4.200 500 ± 1.20 0.1 dB 25 dB 1.15:1 ~
Nominal coupling values of 10, 20, 30 and 40 dB are standard. To order or specify, please insert coupling value in place of dB. EXAMPLE: S722N-10-0.900 for silver-plated, dual directional coupler, 10 dB, 0.800 - 1.000 GHz.
Average Power (Watts)
Coupling Factor 6 dB 10 dB 20 dB 30 dB 40 dB
722N Series N/A 25 250 500 500
Theoretical Mainline Power Split Due to Coupling Factor (dB)
722N Series 2.5120 0.9120 0.0872 0.0086 0.0008
* For higher average power, couplers can be configured with external load based on your application.

Notes:
1. Excluding theoretical insertion loss due to coupling (see table).
2. All units have a peak power rating of 10 kW.
3. 50 ohm nominal impedance standard.
4. Operating temperature is from -55° C to +85° C.
5. Mounting holes 0.156” diameter thru in 2 places.
6. Variation includes flatness/sensitivity
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