The Keysight U1818A 100 kHz to 7 GHz active differential probe makes it easy to perform high frequency in-circuit measurements using network, spectrum and signal source analyzers. With flat frequency response, low noise floor, and direct power from instrument connection, the U1818A allows measurements to be made while taking full advantage of Keysight's RF analyzers dynamic range.
Key Features:
- Broad bandwidth with flat frequency response, +/- 1.5 dB, ensures excellent measurement accuracy and helps you achieve the best product specifications
- Low noise floor, less than -130 dBm/Hz at 10 MHz to 7 GHz, which allows measurements to be made at a low signal amplitude
- Convenient biasing from Keysight’s RF and microwave instruments probe power port or bench top power supply for user flexibility
| Specifications |
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| Active Differential Probe |
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| Recommended Probe Heads |
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| Model | Description |
| N5380B | InfiniiMax II 12 GHz differential SMA adapter |
| N5381B | 12 GHz InfiniiMax differential solder-in probe head |
| N2839A | InfiniiMax II 12 GHz differential browser |
| N5425B | 12 GHz InfiniiMax ZIF-solder-in probe head |
| N5426A | 12 GHz InfiniiMax ZIF-tip–kit of 10 |
Note: Probe head not included, must be ordered separately.
| Specifications |
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| Active Differential Probe |
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| Options and Accessories |
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| Model Number | Description |
| U1818A-001 | Cable assembly - power probe cable |
| U1818A-002 | Cable assembly - banana plug |
| U1818A-ABA | English user manual, printed |
| 11852B | Adapter, 50-Ohm Type-N (f) to 75-Ohm Type-N (m) |
| N2784A | 1-arm Probe Positioner |
| N2785A | 2-arm Probe Positioner |
| N2787A | 3D Probe Positioner |
| N2839A | InfiniiMax II browser head - 21GHz |
| N2880A | InfiniiMax In-line attenuator kit |
| N5381B | InfiniiMax differential solder in probe head and accessories - 12GHz |
| Specifications |
|
| Active Differential Probe |
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| Ordering Information |
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| Model Number | Description |
| U1818A | 100 kHz to 7 GHz active differential probe |
| U1818B | 100 kHz to 12 GHz active differential probe |
