Keysight (Agilent) N5181A

| Attribute | Value |
|---|---|
| Frequency Range | 100 kHz to 3 GHz |
| Frequency Resolution | 0.01 Hz |
| Sweep Modes | step sweep, list mode |
| Timebase Aging | ±1 × 10⁻⁶ per year |
| RF Output Connector | Type-N female |
| Output Power | -127 to +13 dBm to 4.5 GHz, +7 dBm to 6 GHz |
| Modulation | AM, FM, ΦM, pulse (depending on configuration) |
| Harmonics | ≤ -30 dBc to 3 GHz; ≤ -44 dBc at 3 to 6 GHz |
| Interfaces | GPIB, LAN (LXI), USB |
| Dimensions | 426 × 103 × 432 mm |
| Weight | 12.5 kg |
Available configurations
| Model | Frequency range | Configuration |
| N5181A-501 | 100 kHz to 1 GHz | Analog signal generator |
| N5181A-503 | 100 kHz to 3 GHz | Analog signal generator |
| N5181A-506 | 100 kHz to 6 GHz | Analog signal generator |
Keysight Technologies N5181A-503 Options:
- N5181A-503 - 503 - Frequency range from 250 kHz to 3 GHz
- N5181A-503 - UNZ - Fast switching
- N5181A-503 - 1EQ - Low power (<-110 dBm)
- N5181A-503 - UNU - Pulse modulation
- N5181A-503 - UNT - AM, FM, phase modulation
- N5181A-503 - 006 - Instrument security
- N5181A-503 - 1ER - Flexible reference input (1-50 MHz)
- N5181A-503 - 1EM - Move RF output to rear panel
- N5181A-503 - UK6 - Commercial calibration certificate with test data
- N5181A-503 - 1CM - Rackmount kit
- N5181A-503 - 1CN - Front handle kit
- N5181A-503 - 1CP - Rackmount and front handle kit
- N5181A-503 - 1CR - Rack slide kit
The Keysight (Agilent) N5181A-503 is an analog signal generator from the MXG family, offering a frequency range from 100 kHz to 3 GHz and output levels up to +23 dBm. It delivers ultra-low phase noise and supports fast frequency switching under 1.5 ms, making it ideal for demanding wireless communication test environments. Its durable, compact design and intuitive front panel interface enhance usability.
This generator supports AM, FM, phase, and pulse modulation, ensuring broad test versatility. Perfect for overdrive and signal integrity testing in advanced RF labs and production environments.
Testwall can supply the used Keysight (Agilent) N5181A-503, 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 Keysight (Agilent) N5181A-503.
Options and configurations
- Frequency Range: 100 kHz to 3 GHz (Opt. 503)
- Modulation: AM, FM, ΦM (Opt. UNT), pulse (Opt. UNU/UNW)





