Model: PS-90 
Model PS-90 is a 90 degree Bi-Phase Shifter / Modulator, TTL Compatible with Low Insertion Loss, Low VSWR, High Speed and operates in the 10.2 to 10.8GHz Frequency Range.
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Specifications:
| Frequency Range | 10.2 to 10.8GHz |
| Insertion Loss | 2.0dB Max. with Logic "0" |
| Differential Phase Shift | ±90° or 180° |
| VSWR | 2.0:1 Maximum |
| Rise Time | 10 nS Maximum |
| Fall Time | 10 nS Maximum |
| Delay On | 50 nS Maximum |
| Delay Off | 50 nS Maximum |
| Carrier Suppression | 15dB Minimum, 20dB Typical |
| Power Input | +20dBm Operating |
| Survival Input Power | 0.5W CW, 1uS Pulse Width |
| Control Logic | TTL (ECL Available) |
| Power Supply Plus | +5 VDC @ 75 mA Maximum |
| Power Supply Minus | -5 VDC @ 20 mA Maximum |
| Size | 1.97" x 0.79" X 0.54" |
| Weight | ≤1.50 ounces |
Environmental Ratings:
| Temperature: | -55ºC to +85 ºC Operating |
| -65 ºC to +125 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 |