The Keysight (Agilent) E4422B is an ESG-A Series analog RF signal generator offering a frequency range of 250 kHz to 4.0 GHz. Designed for demanding receiver test, component test, and local oscillator applications, it delivers excellent frequency and level control, superior level accuracy, wide analog modulation capabilities, and flexible upgrade paths.
Specifications
Frequency
| Parameter | Value |
|---|---|
| Minimum Frequency | 250 kHz |
| Maximum Frequency | 4 GHz |
| Frequency Resolution | 0.01 Hz |
Output
| Parameter | Value |
|---|---|
| Maximum Output Power | +13 dBm |
| Output Power Range | -136 to +13 dBm |
Modulation
| Parameter | Value |
|---|---|
| Modulation | AM, FM, Phase Modulation (ΦM), Pulse Modulation |
| Sweep Modes | Step sweep (frequency, power, and list) |
General
| Parameter | Value |
|---|---|
| Reference Oscillator | 10 MHz |
| Interfaces | GPIB, RS-232 |
Frequency Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 250 kHz to 4.0 GHz |
| Frequency Switching Speed (Analog) | < 45 ms (typically < 30 ms) |
| External Reference Input Frequency | 1, 2, 5, 10 MHz (±10 ppm) |
Amplitude & Output Power
| Parameter | Value |
|---|---|
| Amplitude Resolution | 0.02 dB |
| RF Output Impedance | 50 ohms |
Spectral Purity
| Parameter | Value |
|---|---|
| Harmonics (output <= +4 dBm) | <-30 dBc |
| SSB Phase Noise (at 500 MHz, 20 kHz offset) | <-122 dBc/Hz |
| SSB Phase Noise (at 1 GHz, 20 kHz offset) | <-116 dBc/Hz |
| SSB Phase Noise (at 2 GHz, 20 kHz offset) | <-110 dBc/Hz |
| SSB Phase Noise (at 3 GHz, 20 kHz offset) | <-104 dBc/Hz |
| SSB Phase Noise (at 4 GHz, 20 kHz offset) | <-104 dBc/Hz |
Amplitude Modulation (AM)
| Parameter | Value |
|---|---|
| AM Frequency Response (3 dB bandwidth, ALC on) | 10 Hz to 10 kHz |
Pulse Modulation
| Parameter | Value |
|---|---|
| Pulse Modulation On/Off Ratio | > 80 dB |
Sweep Capabilities
| Parameter | Value |
|---|---|
| Number of Sweep Points (Step Sweep) | 2 to 401 points |
Connectivity & Auxiliary Interfaces
| Parameter | Value |
|---|---|
| RF Output Connector Type | Type-N female |
| GPIB Interface Port | IEEE-488.2 |
| RS-232 Interface Port | 9-pin D-sub |
| Reference Input Connector | BNC female |
| Reference Output Connector | BNC female |
| Sweep / Trigger Output Connector | BNC female |
Power & Physical Specifications
| Parameter | Value |
|---|---|
| Power Supply Voltage | 90 to 254 VAC |
| Power Supply Frequency | 50, 60, or 400 Hz |
Environmental & Compliance
| Parameter | Value |
|---|---|
| Operating Temperature Range | 0 to 55 °C |
| Storage Temperature Range | -40 to 71 °C |
| Operating Altitude | up to 4600 meters |
| Recommended Calibration Cycle | 24 months |
Internal Modulation Generator
| Parameter | Value |
|---|---|
| Internal Modulation Waveforms | Sine, triangle, square, ramp, noise |
| Internal Modulation Frequency Range (Sine) | 0.1 Hz to 50 kHz |
| Internal Modulation Frequency Range (Triangle/Square/Ramp) | 0.1 Hz to 10 kHz |
| Internal Modulation Frequency Resolution | 0.1 Hz |
| Internal Modulation Frequency Accuracy | Same as reference oscillator |
Options & Configurations
| Parameter | Value |
|---|---|
| Option 1EM Connector Configuration | Moves all front panel connectors to the rear panel |
| Option 1CP Rackmount Kit | Rackmount kit with handles |
Internal Modulation Source
| Parameter | Value |
|---|---|
| LF Output Impedance | 50 ohms (nominal) |
Amplitude
| Parameter | Value |
|---|---|
| Level Accuracy (<= 2 GHz, -120 to +7 dBm) | ±0.5 dB |
| Level Accuracy (> 2 to 4 GHz, -120 to +7 dBm) | ±0.9 dB |
| Level Accuracy (<= 2 GHz, -127 to -120 dBm) | ±0.9 dB |
| Level Accuracy (> 2 to 4 GHz, -127 to -120 dBm) | ±1.5 dB |
Phase Modulation
| Parameter | Value |
|---|---|
| Maximum Phase Deviation (normal bandwidth mode, > 250 to 500 MHz) | 45 rad |
| Maximum Phase Deviation (normal bandwidth mode, > 500 MHz to 1 GHz) | 90 rad |
| Maximum Phase Deviation (normal bandwidth mode, > 1 to 2 GHz) | 180 rad |
| Maximum Phase Deviation (normal bandwidth mode, > 2 to 4 GHz) | 360 rad |
| Maximum Phase Deviation (high bandwidth mode, <= 250 MHz) | 9 rad |
| Maximum Phase Deviation (high bandwidth mode, > 250 to 500 MHz) | 4.5 rad |
| Maximum Phase Deviation (high bandwidth mode, > 500 MHz to 1 GHz) | 9 rad |
| Maximum Phase Deviation (high bandwidth mode, > 1 to 2 GHz) | 18 rad |
| Maximum Phase Deviation (high bandwidth mode, > 2 to 4 GHz) | 36 rad |
Option UNB Specs
| Parameter | Value |
|---|---|
| Option UNB Maximum Output Power (3 GHz to 4 GHz) | +13 dBm |
| Attenuator Type (Standard) | Electronic |
| Attenuator Type (Option UNB) | Mechanical |
Technology
Analog RF Signal Generator
Applications
Receiver test, component test, and local oscillator applications