# N4985A Keysight Amplifier New

**Features:**

Achieve excellent power and gain with these self-contained, high-performance broadband amplifiers

-   N4985A-P15 operates from 10 MHz to 50 GHz
-   N4985A-P25 operates from 2 to 50 GHz
-   N4985A-S30 operates from 100 kHz to 30 GHz
-   N4985A-S50 operates from 100 kHz to 50 GHz
-   N4985A-OA3 Optical Application Tuning for Option S30
-   N4985A-OA5 Optical Application Tuning for Option S50
-   High gain
-   Compact size

The Keysight Technologies N4985A series system amplifiers are high performance broadband amplifiers with excellent power and gain from 100 kHz to 50 GHz. The amplifiers are self-contained and plug into standard AC power sources.

**Applications:**

-   Bench-top lab work
-   Production line testing
-   Frequency/time domain applications
-   Saturated RF amplifier testing
-   Drive TWT amplifiers
-   Antenna system amplification

## Details

- **Price:** 1433.0 USD
- **Vendor:** Keysight
- **Type:** Rf Amp
- **Tags:** product_manual_group_3

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1433.00 USD | In stock |

## Images

- N4985A Keysight Technologies Amplifier

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> Source: [ValueTronics](https://valuetronics.com/products/n4985a-keysight-amplifier-new)
> Updated: 2026-05-29