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Amplifier Research 20T4G18A
| Manufacturer | Amplifier Research |
| Model | 20T4G18A |
| Product | RF Amplifier 4.2 - 18 GHz 20W |
| Type | Used |
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.
Returns
If you are not completely satisfied with your purchase, simply return the item to us in its original condition within 30 days of receipt.
Returned items should be unused and must be returned in original packaging with any enclosed documentation. We will issue a full refund on receipt, excluding the original delivery charge. Alternatively, if preferred, we will exchange the item.
VAT
Prices exclude VAT. Intra-Community transactions: Under the EU VAT Directive, B2B sales of goods across EU VAT borders is VAT zero-rated.
Where VAT is charged, a rate of 23% is applied.
VAT is not charged outside of the EU.
