Amplifier Research DC7144A Dual Directional Coupler
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Amplifier Research DC7144A dual directional coupler offers 0.7–4.2 GHz frequency coverage, 400 W CW power handling, and 0.4 dB maximum insertion loss for RF testing.
Product details
| Model | DC7144A |
| Manufacturer | Amplifier Research |
| Category | RF & Microwave Test Equipment |
| Availability | Made to order |
Description
Overview
The Amplifier Research DC7144A is a dual directional coupler designed for RF susceptibility testing and monitoring both forward and reflected power in RF amplifiers. Its wide frequency range and low insertion loss make it ideal for coupling medium power amplifiers to oscilloscopes, voltmeters, power meters, spectrum analyzers, and other measuring instruments.
Key Features
- Frequency range 0.7 to 4.2 GHz
- Power handling up to 400 watts CW, 4,000 watts peak at 5% duty cycle
- Coupling factor 40 dB ±1.3 dB (includes flatness)
- Low insertion loss of 0.4 dB maximum
- Directivity: 19 dB typical, 15 dB minimum
- VSWR 1.25:1 maximum
- 50 ohm impedance main line
Applications
- RF susceptibility testing and amplifier overdrive protection monitoring
- Forward and reflected power monitoring
- Coupling to oscilloscopes, voltmeters, power meters, and spectrum analyzers
- Use with AR "S" series microwave power amplifiers (5S1G4, 20S1G4, 40S1G4, 80S1G4, 175S1G4)
Specifications
| Frequency Range | 0.7 to 4.2 GHz |
| Power (Maximum) | 400 watts CW, 4,000 watts peak at 5% duty cycle |
| Coupling Factor | 40 dB ±1.3 dB (includes flatness) |
| Flatness | 0.8 dB |
| Directivity | 19 dB typical, 15 dB minimum |
| Insertion Loss | 0.4 dB maximum |
| Impedance | 50 ohms |
| VSWR | 1.25:1 maximum |
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Amplifier Research DC7144A Dual Directional Coupler
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