160 School House Road, Souderton, PA 18964-9990 USA
Phone 215-723-8181•FAX 215-723-5688
MODEL DC7275A
MODEL DC7275
M1, M2
DUAL DIRECTIONAL COUPLER
700 WATTS CW
2.5 - 7.5 GHz
The Model DC7275A is a high power dual directional coupler with excellent frequency range and power
handling capability. The wide range assures flexibility in coupling high power amplifiers to power
meters, spectrum analyzers and other measuring instruments. The dual directional design allows the user
to monitor both forward and reflected power, a much needed characteristic in RF susceptibility testing
for amplifier overdrive protection, field control and load protection. Low insertion loss allows efficient
coupling to the load.
The Model DC7275A is intended for use with the 500T2G8 and other “T” series microwave amplifiers.
SPECIFICATIONS
Model DC7275A
FREQUENCY RANGE.............................................................................. 2.5 - 7.5 GHz
POWER (maximum).................................................................................. 700 watts CW
2500 watts peak
COUPLING FACTOR............................................................................... 50 dB
±
1.3 dB (includes flatness)
COUPLING FLATNESS............................................................................ ± 0.6 dB maximum
DIRECTIVITY
Typical............................................................................................ 20 dB
Minimum......................................................................................... 15 dB
INSERTION LOSS ................................................................................... 0.45 dB maximum
IMPEDANCE (main line).......................................................................... 50 ohms, VSWR 1.5:1 maximum
CONNECTORS
Main Line........................................................................................ See Model Configuration
Coupled .......................................................................................... See Model Configuration
WEIGHT.................................................................................................. 0.36 kg (0.80 lb.)
SIZE (WxHxD).......................................................................................... 2.8 x 5.1 x 14.0 cm
1.1 x 2.0 x 5.5 in
Model Configuration
Model Number
DC7275A
DC7275
DC7275M1
DC7275M2
Main Line Connector
J1/J2
7-16(M)/7-16(F)
7-16(F)/7-16(F)
7-16(F)/7-16(F)
SC(F)/SC(F)
Coupled Connector
J3/J4
N(F)/N(F)
SMA(F)/SMA(F)
N(F)/N(F)
SMA(F)/SMA(F)
REV052002
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