Amplifier Research 20T4G18A
| Attribute | Value |
|---|---|
| Frequency Range | 4 GHz – 18 GHz |
| Minimum Output Power | 20 Watts CW |
| Gain | 50 dB minimum |
| Gain Flatness | ±4 dB maximum across full frequency range |
| Input Power for Rated Output | 0 dBm maximum |
| Input/Output Impedance | 50 Ohms |
| Input Connector | SMA (female) |
| Output Connector | 2.92mm (female) |
| Power Requirements | 220 VAC, 50/60 Hz, Single Phase |
| Cooling Method | Forced Air Cooling |
Amplifier Research 20T4G18A Options:
- 20T4G18A - M1 - Shipped without an outer cabinet
- 20T4G18A - M3 - Enclosure removed for rack mounting – slides and front handles installed
- 20T4G18A - M5 - Enclosure removed. Side carry handles and front pull handles installed
| Model | 20T4G18A |
|---|
The Amplifier Research 20T4G18A is a broadband traveling wave tube (TWT) amplifier, delivering a nominal 42W and minimum 20W across 4.2–18 GHz. With a gain of 43 dB and adjustable range of 35 dB, it provides flatness of ±9 dB (4.2–18 GHz) and ±5 dB (8–18 GHz). It supports AM, FM, and pulse modulation while ensuring input/output impedance of 50Ω. Advanced monitoring includes helix current, cathode/collector voltages, heater status, and temperature control. The IEEE-488 interface, VSWR protection, and modular design ensure reliability and flexibility in demanding RF test environments.
Compact yet powerful, the 20T4G18A is designed for EMC testing, industrial applications, and R&D. Its switching power supply reduces weight, while forced air cooling ensures stability. Its rack-mountable design offers flexible integration in diverse laboratory setups.
Testwall can supply the used Amplifier Research 20T4G18A, 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 20T4G18A.
