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Related Products
 
Single Directional:
715 Series: N-Female
715S Series: SMA-Female
721 Series: N & SMA
CN & CS Series
 
Dual Directional:
722N Series: N-Female
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.
 
780 Series RF Coupler - Stripline
MECA offers a miniature, 50 watt (3kW peak), SMA-Female single directional stripline RF coupler ideal for space restricted applications where precise monitoring, external leveling, signal mixing or swept transmission and reflection measurements are necessary. Nominal coupling values of 10, 20 and 30 dB are standard.
 
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780 Series - Stripline RF 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)
780-dB-0.7500.500 - 1.00050± 1.250.15 dB25 dB1.10:1
780-dB-1.5001.000 - 2.00050± 1.250.20 dB25 dB1.10:1
780-dB-3.0002.000 - 4.00050± 1.250.20 dB22 dB1.15:1
780-dB-3.9002.600 - 5.20050± 1.250.25 dB20 dB1.25:1
780-dB-6.0004.000 - 8.00050± 1.250.25 dB20 dB1.25:1
780-dB-9.7007.000 - 12.40050± 1.000.35 dB17 dB1.30:1
780-dB-11.7507.500 - 16.00050± 1.250.50 dB15 dB1.35:1 Main
1.40:1 Sec.
780-dB-15.20012.400 - 18.00050± 1.000.50 dB15 dB1.30:1 Main
1.40:1 Sec.
780-dB-10.0002.000 - 18.00050± 1.000.90 dB15 dB1.35:1
RoHS Compliant

Nominal coupling values of 10, 20 and 30 dB are standard. To order or specify, please insert coupling value in place of dB. EXAMPLE: 780-10-0.750 for 10 dB, 0.500 - 1.000 GHz.

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RF Coupler Average Power (Watts)
Coupling Factor 10 dB 20 dB 30 dB
Forward 50 50 50
Reverse 10 50 50
Theoretical Mainline Power Split Due to Coupling Factor (dB)
Insertion Loss 0.4560 0.0436 0.0043

 

Notes:
1. Excluding theoretical insertion loss due to coupling (see table).
2. All units have a peak power rating of 3 kW.
3. 50 ohm nominal impedance standard.
4. Operating temperature is from -55° C to +85° C.
5. Variation includes flatness/sensitivity
This unit is furnished with stainless steel SMA-Female connectors, gold-plated contact pins and an ultra-compact aluminum housing.

 


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