AMPLIFIER RESEARCH DC7144A
The Amplifier Research DC7144A is an advanced dual directional coupler designed for precision and versatility in RF measurement applications. With a remarkable frequency range and robust power handling capabilities, this coupler is ideal for effectively integrating medium power amplifiers with various measuring instruments such as oscilloscopes, voltmeters, power meters, and spectrum analyzers. Its dual directional configuration enables users to simultaneously monitor forward and reflected power, an essential feature for RF susceptibility testing, amplifier overdrive protection, field control, and load protection.
Key Specifications:
- Frequency Range: 0.7–4.2GHz
- Power Handling: Maximum 400 Watts CW, 4K Watts Peak @ 5% duty cycle, 30 µsec pulse
- Coupling Factor: 40 dB ± 1.3 dB (includes flatness)
- Directivity:
- Insertion Loss: 0.4 dB maximum
- Impedance (Main Line): 50 ohms
The DC7144A is particularly well-suited for use with the AR “S” series microwave power amplifiers including models 5S1G4, 20S1G4, 40S1G4, 80S1G4, and 175S1G4, as well as other compatible amplifiers operating within the specified frequency and power ranges. Its low insertion loss ensures efficient coupling, making it an essential tool for professionals seeking reliability and accuracy in RF measurements.
