The Keysight / Agilent N5181A MXG analog signal generator delivers scalable RF performance, fast frequency and amplitude switching, and high reliability in a compact 2RU form factor. With configurable frequency options ranging from 100 kHz up to 6 GHz, it is optimized to provide accurate and repeatable reference signals for manufacturing, LO substitution, and analog communication testing.
Specifications
Frequency
| Parameter | Value |
|---|---|
| Minimum Frequency | 100 kHz |
| Maximum Frequency | 6 GHz (Option 506) |
| Frequency Resolution | 0.01 Hz |
| Phase Offset Resolution | 0.1° |
Output
| Parameter | Value |
|---|---|
| Maximum Output Power | +13 dBm (standard) / +23 dBm (Option 1EA @ 1 GHz) |
| Output Power Range | -127 dBm to +13 dBm (standard) / up to +23 dBm (Option 1EA) |
| Phase Noise | -121 dBc/Hz (typical at 1 GHz carrier, 20 kHz offset) |
Modulation
| Parameter | Value |
|---|---|
| Modulation | AM, FM, PM (Option UNT); Pulse (Option UNU/UNW) |
| Sweep Modes | Step, List |
| AM Depth | 0 to 100% |
| Internal Modulation Source Waveforms | Sine, square, triangle, positive ramp, negative ramp |
| Simultaneous Modulation Capabilities | AM, FM or PM, and Pulse |
General
| Parameter | Value |
|---|---|
| Reference Oscillator | 10 MHz |
| Interfaces | LAN (100Base-T, LXI Class C), USB 2.0, GPIB |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100-240 VAC, 50/60 Hz; 100-120 VAC, 400 Hz |
Frequency Specifications
| Parameter | Value |
|---|---|
| Frequency Options | 100 kHz to 1 GHz (Option 501), 3 GHz (Option 503), or 6 GHz (Option 506) |
| Internal Reference Frequency | 10 MHz |
| Reference Output Frequency | 10 MHz |
Amplitude Specifications
| Parameter | Value |
|---|---|
| Maximum Specified Output Power | +13 dBm (< 3 GHz, standard) |
| Minimum Specified Output Power | -127 dBm (standard) |
| Amplitude Resolution | 0.01 dB |
| Output Impedance | 50 Ω |
| Maximum Reverse Power (DC) | 50 V |
Spectral Purity
| Parameter | Value |
|---|---|
| Harmonics (Standard) | < -30 dBc (< 3 GHz) |
| SSB Phase Noise (20 kHz offset) | -121 dBc/Hz (typical at 1 GHz carrier) |
Pulse Modulation
| Parameter | Value |
|---|---|
| On/Off Ratio | > 80 dB (typical, Option UNU/UNW) |
| Rise Time | < 10 ns (typical, Option UNU/UNW) |
| Fall Time | < 10 ns (typical, Option UNU/UNW) |
Sweep Specifications
| Parameter | Value |
|---|---|
| Sweep Types | Frequency, Amplitude, Frequency + Amplitude |
| Number of Points (Step Mode) | 2 to 65535 |
| Dwell Time Range | 100 μs to 100 s |
Internal / External Modulation Sources
| Parameter | Value |
|---|---|
| Analog Modulation Options | Option UNT (AM, FM, Phase Modulation) |
| Pulse Modulation Options | Option UNU (Standard Pulse) / Option UNW (Narrow Pulse) |
Front Panel & Interfaces
| Parameter | Value |
|---|---|
| RF Output Connector Type | Type-N (female) |
| GPIB Interface | IEEE-488.2 |
| LAN Interface | 100Base-T (LXI Class C) |
| USB Ports | USB 2.0 |
| External Trigger Input Connector | BNC (female) |
| 10 MHz Reference Input/Output Connectors | BNC (female) |
Environmental & Regulatory
| Parameter | Value |
|---|---|
| Operating Temperature Range | 0 to 55 °C |
Physical & Power Specifications
| Parameter | Value |
|---|---|
| AC Power Input Voltage | 100 to 240 VAC |
| AC Power Input Frequency | 50/60 Hz (100-120V @ 400Hz) |
| Maximum Power Consumption | 250 W |
| Rack Unit (RU) Height | 2 RU |
| Dimensions (H x W x D) | 88 x 426 x 432 mm |
| Net Weight | 10.5 kg (23.1 lb) |
Amplitude
| Parameter | Value |
|---|---|
| Attenuator Type | Electronic attenuator (Standard) |
Environmental
| Parameter | Value |
|---|---|
| Operating Altitude | Up to 4,600 meters (15,000 feet) |
Compliance
| Parameter | Value |
|---|---|
| EMC Compliance | IEC/EN 61326-1, CISPR 11 Group 1 Class A |
| Safety Compliance | IEC/EN 61010-1, CSA C22.2 No. 61010-1 |
| LXI Compliance | LXI Class C |
Technology
RF / Microwave
Applications
Signal Generation