Amplifier Research 20S4G18

| Attribute | Value |
|---|---|
| Frequency Range | 4 GHz – 18 GHz |
| Minimum Output Power | 20 Watts (43 dBm) |
| Minimum Small Signal Gain | 50 dB |
| Input for Rated Output | 0 dBm (typical) |
| Noise Figure | 8 dB (typical) |
| Input/Output Impedance | 50 Ohms |
| Input/Output Connectors | SMA (female) |
| Power Requirements | 220 VAC, 50/60 Hz, Single Phase |
| Cooling Method | Forced Air Cooling |
| Operating Temperature Range | +25°C (Rated Output), 0°C to +50°C (Operating) |
Amplifier Research 20S4G18 Options:
- 20S4G18 - M2 - Precision N female input (front), Precision N female output (rear)
- 20S4G18 - M3 - Precision N female input (front), Waveguide output (rear); limited to 8–18 GHz
- 20S4G18 - M5 - Same as 20S4G18 with enclosure removed for rack mounting
- 20S4G18 - M6 - Same as 20S4G18M2 with enclosure removed for rack mounting; front handles
| Model | 20S4G18 |
|---|
The Amplifier Research 20S4G18 is a portable, air-cooled, broadband solid-state amplifier providing 20 watts from 5–18 GHz and 12 watts from 4–5 GHz. It features a digital control panel with LCD display, gain adjustment, input overdrive protection, and extensive remote interfaces including GPIB, RS-232, USB, and Ethernet. With 44 dB gain, low spurious signals, and robust mismatch tolerance, it ensures stable performance across RF applications.
Ideal for RF susceptibility, antenna, and communication testing, the Amplifier Research 20S4G18 covers multiple bands including GSM, W-CDMA, WiMAX, and UWB, delivering linear amplification with reliable AM, FM, and pulse modulation capability.
Testwall can supply the used Amplifier Research 20S4G18, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Amplifier Research 20S4G18.




