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Single Directional:
780 Series: SMA-Female
715 Series: SMA-Female
715S Series: SMA-Female
721 Series: N & SMA
CN & CS Series
 
Dual Directional:
722S: SMA-Female
722 Series: N & SMA
 
3 dB Hybrid Couplers:
Hybrid Couplers (90°)
Hybrid Ring (0°/180°)
 
V-Line directional couplers cover all wireless bands from cellular through UMTS (0.800 - 2.200 GHz) making them ideally suited for BTS and In-Building Wireless applications. Typically available from STOCK!
 
Application Note MAP-701
"How to specify the best rf directional coupler solution for your critical applications" more...
 
Common Coupling Ratios

Coupling Value
Ratio
(%)
3 dB
50/50
6 dB

75/25
8 dB
85/15
10 dB
90/10
15 dB
97/3
20 dB
99/1

The first number of the ratio is the % of power that passes through the device to the output port.  The second is the % of power at the coupled port.
 
722N Series Dual Directional Coupler Home > Directional Coupler > 722N Series

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.
 
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722N Series Dual Directional Coupler Product Pic
Made in USA

Click on Catalog Number to view spec sheet with outline drawing
Catalog
Number		 Frequency
(GHz)		 Power
(W)		 Coupling
Variation
(Total)		 Insertion
Loss
(Max)		 Directivity
(Min)		 VSWR
(Max)
722N-dB-0.6000.400 - 0.800500± 1.000.1 dB25 dB1.15:1
722N-dB-0.9000.800 - 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-1.500V0.800 - 2.200500± 1.750.1 dB25 dB1.15:1
722N-dB-1.650W0.800 - 2.500500± 2.200.1 dB22 dB1.15:1
722N-dB-1.9501.700 - 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-3.1002.000 - 4.200500± 1.200.1 dB25 dB1.15:1
Lead-Free Solder

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.

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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

 V-Line directional couplers cover all wireless bands from cellular through UMTS (0.800 - 2.200 GHz) making them ideally suited for BTS and In-Building Wireless applications. Typically available from STOCK!

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