Amplifier Research 175S1G4 - Essential Power Amplification
The Amplifier Research 175S1G4 stands as a premier choice for professionals requiring a robust and efficient power amplification solution. Engineered for versatility, this portable, air-cooled amplifier is completely solid-state, ensuring minimal downtime while delivering instantaneous bandwidth, high gain, and exceptional linearity across varied applications.
Key Features of the Amplifier Research 175S1G4 Amplifier:
- Power Performance:
- Delivers a minimum output of 175 watts of RF power when paired with a sweep generator.
- Digital Control Panel (DCP):
- Facilitates local and remote control with a vivid digital display.
- Displays operational metrics including Forward Power, Reflected Power, and internal amplifier statuses.
- Features menu-assigned softkeys and a single rotary knob for intuitive navigation.
- Includes four dedicated switches for POWER, STANDBY, OPERATE, and FAULT/RESET functions.
- Provides comprehensive control and status feedback capabilities.
- Gain Control and RF Protection:
- Equipped with gain control and RF output level protection to enhance reliability.
- Remote Capabilities:
- All control functions are accessible remotely through multiple interfaces, including GPIB/IEEE-488, RS-232, fiber optic, USB, and Ethernet.
- Additional Features:
- Back panel bus interface connector.
- Front panel keylock to maintain secure control during operations.
- Designed for minimal spurious signals, making it ideal for:
- Driver amplification for wireless and communication subsystem testing.
- Broadband test instrumentation.
- Communication technologies including CDMA, W-CDMA, TDMA, and GSM.
- EMC Test applications, ensuring undistorted modulation envelopes.
Technical Specifications:
- Rated Power Output: 175 watts minimum
- Input for Rated Output: 1.0 milliwatt maximum
- Power Output @ 3dB Compression:
- Power Output @ 1dB Compression:
- Frequency Response: 0.8 – 4.2 GHz instantaneously
- Gain (at maximum setting): 52.5 dB minimum
- Continuous Gain Adjustment Range: 15 dB minimum (4096 steps remote)
- Input Impedance: 50 ohms, VSWR 2.0:1 maximum
- Output Impedance: 50 ohms, nominal
- Mismatch Tolerance: 100% rated power without foldback; operates without damage across any impedance phase
- Modulation Capability: Reproduces AM, FM, or pulse modulation faithfully
- Third Order Intercept Point: 61 dBm typical
- Harmonic Distortion: -20 dBc maximum at 160 watts
- Spurious Outputs: -73 dBc typical
- Phase Linearity: ±1.0 deg/100 MHz, typical
- Primary Power: 90-132, 180-264 VAC, 50/60 Hz, single phase, 1050 watts maximum
- Connector Types:
- Remote Interfaces: IEEE-488 (24 pin), RS-232 (9 pin), RS-232 (fiber optic, Type ST), USB 2.0 (Type B), Ethernet (RJ-45)
- Safety Interlock: 15 Pin Subminiature D
- Cooling: Forced air with self-contained fans
