715 Series Directional Couplers
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MECA’s 715 Directional Couplers 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.

715 Series Directional Couplers
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
715-dB-0.600 0.400 - 0.800 500 ± 1.00 0.1 dB 25 dB 1.15:1 ~
715-dB-0.900 0.800 - 1.000
0.600 - 1.200		 500 ± 0.60
± 1.60		 0.1 dB
0.1 dB		 30 dB
25 dB		 1.10:1
1.15:1		 ~
715-dB-1.500V 0.800 - 2.200 500 ± 1.75 0.1 dB 25 dB 1.15:1 ~
715-dB-1.650W 0.800 - 2.500 500 ± 2.20 0.1 dB 25 dB 1.15:1 ~
715-dB-1.950 1.700 - 2.200
1.300 - 2.600		 500 ± 0.60
± 1.20		 0.1 dB
0.1 dB		 25 dB
25 dB		 1.10:1
1.15:1		 ~
715-dB-3.100 2.000 - 4.200 500 ± 1.20 0.1 dB 25 dB 1.15:1 ~
Nominal coupling values of 6, 8, 10, 15, 20, 30 and 40 dB are standard. 715 series is also available in 6 dB. To order or specify, please insert coupling value in place of dB. EXAMPLE: S715-10-0.900 for silver-plated, single directional coupler, 10 dB, 0.800 - 1.000 GHz.
Average Power (Watts)
Coupling Factor 6 dB 10 dB 20 dB 30 dB 40 dB
715 Series Forward* 100 100 500 500 500
Reverse* 10 25 250 500 500
Theoretical Mainline Power Split Due to Coupling Factor (dB)
715 Series 1.2560 0.4560 0.0436 0.0043 0.0004
* 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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