THÔNG SỐ KỸ THUẬT
This low pass filter directional coupler provides a DC voltage at the forward and reflected ports. The test ports feature a broadband RF detector that maintains a constant DC level across the FM band.
Each filter is carefully sweep tested with our HP8753ES network analyzer.
- 86-110MHz 1500 watts maximum.
- 9th order Chebyshev typology.
- Ultra low loss Teflon PCB; tightly controlled dielectric constant.
- large #8 awg inductors.
- 0.2 dB insertion loss maximum; 0.15 dB typical.
- Adjustable detected voltages.
- -47dB rejection at 176MHz. That’s the 1st harmonic of 88MHz
- Directivity: 20dB Minimum
- 2.5V forward voltage at 1000W