# PSAM Series PHASE SHIFTERS, ANALOG

## General Specifications

️· Frequency Range: 500 to 2500 MHz
️· Phase Shift Range:
- PSAM-3: 0° to 180°
- PSAM-4: 0° to 360° (cascaded 180° phase shifters)
️· Bandwidth: 10% of f₀ (center frequency)
️· Voltage Control: 0 to +30V
️· Impedance: 50 Ω nominal
️· Connectors: SMA Female
️· Operating Temperature: -55°C to +85°C
️· Weight: 4 oz (112 g) nominal

## Performance Characteristics

️· Insertion Loss:
- PSAM-3 @ 1 GHz: 3 dB typ.
- PSAM-3 @ 2.5 GHz: 4 dB typ.
- PSAM-4 @ 1 GHz: 4 dB typ.
- PSAM-4 @ 2.5 GHz: 6 dB typ.
️· VSWR:
- PSAM-3: 2.0:1 max.
- PSAM-4: 2.5:1 max.
️· Input Power: 0 dBm max (can operate at +10 dBm with reduced control range)
️· Phase Stability:
- PSAM-3: 0.1° per °C
- PSAM-4: 0.2° per °C

## Model Information

️· Model Number Format: PSAM-\*-*B
- \*** = Desired Center Frequency (f₀) in MHz
️· Example: PSAM-3-1000B (1000 MHz center frequency, 180° phase shift)

## Technology

️· Filmbrid quadrature hybrids with varactor-tuned LC networks.
️· Varactor networks act as sliding short circuits, delaying reflected signals.

## Available Options

️· Lower frequencies: PSEM series
️· Flatpack Version: PEF series
️· Screened for military and space applications.