Model: QC-8018 
PMI's 3dB, 90 Degree Quadrature Couplers are available in bandwidths of 2.0 to 4.0GHz, 2.5 to 5.0GHz, 4.0 to 8.0GHz, 5.0 to 10.0GHz, 6.0 to 12.0GHz and 8.0 to 18.0GHz. They are designed for low insertion loss, low VSWR, excellent phase and amplitude balance. These are packaged in a small size.
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Specifications:
| Frequency Range | 8.0 to 18.0GHz |
| Insertion Loss | 1.5dB Maximum |
| RF Input Power Handling | 50 Watts CW |
| Amplitude Balance | ±0.75 dB Maximum |
| Phase Balance | 90 Degrees ±5.0 Degrees Maximum |
| Isolation | 14 dB Minimum |
| VSWR | 1.5:1 Typ. |
| Weight | 1.0 Ounces Typical |
| Size | 0.8" x 1.2" x 0.22" |
Environmental Ratings:
| Temperature: | -40ºC to +71 ºC Operating |
| -65 ºC to +100 ºC Non-Operating | |
| Humidity: | MIL-STD-202F, Method 103B Cond. B |
| Shock: | MIL-STD-202F, Method 213B Cond. B |
| Vibration: | MIL-STD-202F, Method 204D Cond. B |
| Altitude: | MIL-STD-202F, Method 105C Cond. B |
| Temperature Cycle: | MIL-STD-202F, Method 107D Cond. A |