Model: PS-90-810 
Model PS-90-810 is a 0 to 180 degree Bi-Phase Shifter / Modulator, TTL Compatible with Low Insertion Loss, Low VSWR, High Speed and operates in the 8 to 10GHz Frequency Range.
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Specifications:
| Differential Phase Shift | ±90 degrees or 180 degrees ±10% |
| Frequency | 8 to 10 GHz |
| Insertion Loss | 2.5 dB Typical (3.0 dB Maximum) |
| Return Loss (VSWR) | 2.0:1 Typical (2.5:1 Maximum) |
| Switching Speed Rise Time | 20 nS Typical (25 nS Maximum) |
| Switching Speed Fall Time | 10 nS Typical (15 nS Maximum) |
| Switching Speed Delay On | 60 nS Typical (75 nS Maximum) |
| Switching Speed Delay Off | 45 nS Typical (75 nS Maximum) |
| RF Input Power (Operating) | +15 dBm Maximum |
| RF Input Power (Surviving) | 0.5 W |
| Carrier Suppression | 20 dB Typical (15 dB Minimum) |
| 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 |