The Keysight (formerly Agilent HP) E4434B is a 1 GHz digital RF signal generator belonging to the ESG-DP Series. It offers excellent spectral purity, versatile analog modulation, and advanced digital modulation capabilities, making it ideal for general-purpose R&D, high-volume manufacturing, and troubleshooting applications.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB, RS-232 |
| Display | Monochrome LCD with backlighting |
| EMC Compliance | Meets EN 55011 Class A and CISPR 11 Class A |
| Recommended Calibration Cycle | 24 months |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 90 to 254 VAC, 50 to 60 Hz (and 400 Hz at 120 V), < 200 W |
| Operating Temperature | 0 to 55 °C |
| Dimensions (W×H×D) | 426 mm × 133 mm × 432 mm |
| Weight | < 13.5 kg (30 lb) |
Frequency Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 250 kHz to 1 GHz |
| Frequency Resolution | 0.01 Hz |
| Phase Offset Adjustability | Adjustable in nominal 0.1° increments |
| Frequency Switching Speed | < 45 ms (typical) |
| Standard Reference Aging Rate | < ±1.5 ppm/year |
Amplitude and Level Control
| Parameter | Value |
|---|---|
| Output Level Range | -136 to +13 dBm |
| Amplitude Resolution | 0.02 dB |
| Absolute Level Accuracy | ±0.5 dB (at levels > -127 dBm, 250 kHz to 1 GHz) |
| Output Impedance | 50 ohms |
| Maximum Reverse Power Protection | 50 W (from a 50 ohm source) |
| Maximum DC Voltage Input | 50 VDC |
Spectral Purity
| Parameter | Value |
|---|---|
| Harmonics | <-30 dBc (at output levels <= +4 dBm) |
| Non-Harmonic Spurious | <-80 dBc (at < 1 GHz) |
| SSB Phase Noise (1 GHz carrier, 20 kHz offset) | <-134 dBc/Hz (typical <-138 dBc/Hz) |
| Non-harmonic Spurious (<1 GHz carrier, >10 kHz offset) | <-80 dBc (typical <-90 dBc) |
| Residual FM (CW mode, 300 Hz - 3 kHz BW, RMS) | < 1 Hz (typical < 0.5 Hz) |
Analog Modulation
| Parameter | Value |
|---|---|
| Analog Modulation Types | AM, FM, Phase Modulation (ΦM), Pulse Modulation |
| AM Depth Range | 0 to 100% |
| AM Resolution | 0.1% |
| AM Rate (3 dB Bandwidth) | 10 Hz to 10 kHz (AC coupled) / DC to 10 kHz (DC coupled) |
| FM Resolution | 0.1% of deviation or 1 Hz (whichever is greater) |
Digital Modulation
| Parameter | Value |
|---|---|
| External I/Q Modulation Bandwidth (1 dB) | DC to 40 MHz (typical) |
| External I/Q Modulation Bandwidth (3 dB) | DC to 80 MHz (typical) |
| I/Q Quadrature Error | < ±1° (typical < ±0.5°) |
| I/Q Gain Imbalance | < ±0.15 dB (typical < ±0.1 dB) |
| I/Q Carrier Leakage | <-35 dBc (typical <-45 dBc) |
Arbitrary Waveform Generator
| Parameter | Value |
|---|---|
| I/Q Waveform Playback Memory | 1 Msample (4 MB) |
| I/Q Waveform Storage Memory | 1 Msample (4 MB) |
| I/Q Resolution | 14-bit |
| Arbitrary Waveform Sample Rate | 40 MHz |
Sweep and List Modes
| Parameter | Value |
|---|---|
| Sweep Types | Step sweep (frequency and power), List sweep (frequency and power) |
Inputs and Outputs
| Parameter | Value |
|---|---|
| RF Output Connector Type | Type-N female |
| External Reference Input Frequency | 1, 2, 5, 10 MHz (±10 ppm) |
| Internal Reference Output Frequency | 10 MHz |
Physical Characteristics
| Parameter | Value |
|---|---|
| Rack Unit Height | 3U |
Frequency
| Parameter | Value |
|---|---|
| Standard Oven Reference Temperature Stability | < ±2 × 10^-8 (0 to 55 °C) |
| Standard Oven Reference Aging Rate | < 1 × 10^-9/day, < 1 × 10^-7/year |
Modulation
| Parameter | Value |
|---|---|
| Pulse Modulation Rise/Fall Time | 150 ns (typical) |
| Pulse Modulation On/Off Ratio | > 80 dB |
| Phase Modulation Maximum Deviation | N × 90 rad (normal bandwidth), N × 9 rad (high bandwidth) |
| Internal Modulation Source Waveforms | Sine, square, triangle, ramp, noise, dual-sine, swept-sine |
| Internal Modulation Source Frequency Range (Sine) | 0.1 Hz to 50 kHz |
| Internal Modulation Source Resolution | 0.1 Hz |
Environmental
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 to +71 °C |
| Operating Altitude | Up to 4,600 m (15,000 ft) |
| Operating Humidity Range | 0% to 95% relative humidity, non-condensing |
| Vibration and Shock Compliance | Meets MIL-T-28800D Type III, Class 3, Style E |
Sweep
| Parameter | Value |
|---|---|
| Sweep Dwell Time Range | 2 ms to 104 s |
| Step Sweep Points Range | 2 to 401 |
| List Sweep Points Range | 2 to 10000 |
Phase Noise
| Parameter | Value |
|---|---|
| SSB Phase Noise (500 MHz carrier, 20 kHz offset) | <-140 dBc/Hz |
Technology
Analog & Digital RF Synthesis
Applications
RF Receiver Testing, Digital Modulation Emulation, General Purpose R&D & Manufacturing