WR12 Waveguide Bandpass Filter for E-Band 76-81 GHz
AT Microwave has released the AT-BPF-7681-12A, a precision WR12 waveguide bandpass filter engineered for the 76-81 GHz frequency band. This component addresses the growing demand for high-performance filtering solutions in modern RF and mmWave applications, particularly within the E-band spectrum utilized by automotive radar, telecommunications, and defense systems.
The AT-BPF-7681-12A combines low insertion loss with exceptional stopband rejection to meet the stringent requirements of contemporary RF architectures.
Technical Specifications
- Passband Frequency Range: 76-81 GHz
- Insertion Loss: Typical 0.8 dB (Maximum 1.5 dB)
- Passband Return Loss: Minimum -15 dB VSWR
- Stopband Rejection (Low-End): DC to 71 GHz at -40 dBc
- Stopband Rejection (High-End): 85-90 GHz at -40 dBc
- Operating Temperature Range: -40°C to +85°C
- Construction: Gold-plated brass with precision machining
- Weight: 35 grams
Application Areas
- Automotive Radar: System testing and validation for E-band radar sensors
- Defense & Security: Foreign Object Debris (FOD) detection and radar transceiver integration
- Telecommunications: RF over Fiber (RoF) signal conditioning and E-band link applications
- Test & Measurement: General purpose RF and mmWave test equipment
The filter's architecture delivers minimal signal degradation through its exceptionally low insertion loss specification, while the -15 dB return loss ensures effective impedance matching and reduced signal reflections. The sharp frequency roll-off characteristics enable precise band separation, making this filter suitable for applications requiring stringent out-of-band suppression.
bq-microwave distributes AT Microwave's extensive portfolio of waveguide filters spanning DC through 300 GHz, encompassing bandpass, lowpass, highpass, and bandstop filter configurations. For technical inquiries and product documentation, please visit our contact page.