AR DC Series - Product Specifications; Technical Specifications

Approved for public release by AR RF/Microwave Instrumentation 020912
160 School House Road Souderton, PA 18964-9990 • 215-723-8181 • www.ar-worldwide.com Page 1 of 1
Model DC4256
Dual Directional Coupler
13,000 Watts CW
10kHz–250MHz
AR RF/Microwave Instrumentation’s Model DC4256 is a high power, ultra-broadband coupler with excellent
performance characteristics over a range of 4 decades. This Dual Directional Coupler is a convenient means of
simultaneously monitoring forward and reverse power in high power systems using normal laboratory
oscilloscopes, voltmeters, power meters and spectrum analyzers. The Model DC4256 is recommended for use
with our A-Series amplifiers, and other amplifiers operating within the frequency and power range, and our
PM2000 Series Power Meters.
SPECIFICATIONS
FREQUENCY RANGE ............................................ 10 kHz–250 MHz
POWER (Maximum) .............................................. 13 kW CW
COUPLING FACTOR ............................................ 60 dB
COUPLING FLATNESS .......................................... ±1.0 dB
DIRECTIVITY
Typical
........................................................... 25 dB
Minimum ....................................................... 20 dB
INSERTION LOSS ................................................. 0.1 dB maximum
IMPEDANCE (Main Line) ....................................... 50 ohms, VSWR 1.20:1maximum
CONNECTORS
Main
Line ....................................................... Type EIA fixed flanges, 1-5/8” male
Coupled ........................................................ Type N female
PRIMARY POWER .................................................. 2 120 VAC fans
WEIGHT (Maximum) ............................................. 7.0 kg (15.
5 lbs)
SIZE (WxHxD) .......................................................
15.24 x 11.43 x 32.38 cm (6.0 x 4.5 x 12.75 in)
EXPORT CLASSIFICATION .....................................
EAR99. These commodities, technology or software are controlled for
export in accordance with the U.S. Export Administration Regulations.
Diversion contrary to U.S. law is prohibited.