The Keysight (formerly Agilent / HP) E4433B is a 250 kHz to 4 GHz digital RF signal generator from the ESG-D series. It offers comprehensive analog and digital modulation capabilities, featuring custom digital modulation formats, an optional dual arbitrary waveform generator, and a real-time I/Q baseband generator, making it ideal for R&D and manufacturing applications in telecommunications.
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 (< 1 GHz, standard) |
| Output Power Range | +13 dBm to -136 dBm (< 1 GHz, standard) |
| Phase Noise | < -116 dBc/Hz at 1 GHz, 20 kHz offset |
Modulation
| Parameter | Value |
|---|---|
| Modulation | AM, FM, Phase, Pulse, Custom Digital (FSK, MSK, PSK, QAM) |
| Sweep Modes | Step, List (Frequency and Power) |
General
| Parameter | Value |
|---|---|
| Reference Oscillator | 10 MHz |
| Interfaces | GPIB, RS-232 |
Frequency Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 250 kHz to 4 GHz |
| Internal Reference Frequency | 10 MHz |
Amplitude Specifications
| Parameter | Value |
|---|---|
| Output Impedance | 50 Ω |
Analog Modulation
| Parameter | Value |
|---|---|
| AM Depth Range | 0 to 100% |
Internal Baseband Generator
| Parameter | Value |
|---|---|
| Optional Baseband Generator | Dual arbitrary waveform generator and/or real-time I/Q baseband generator |
Sweep Capabilities
| Parameter | Value |
|---|---|
| Sweep Operating Modes | Step/List sweep |
Connectivity & Interfaces
| Parameter | Value |
|---|---|
| RF Output Connector | Type-N Female |
| Remote Programming Interfaces | GPIB, RS-232 |
RF Output
| Parameter | Value |
|---|---|
| Reverse Power Protection | 50 W (≤ 2 GHz), 25 W (> 2 to 4 GHz), 50 Vdc max |
Spectral Purity
| Parameter | Value |
|---|---|
| Harmonics | < -30 dBc (output ≤ +4 dBm) |
Environmental
| Parameter | Value |
|---|---|
| Operating Temperature | 0 °C to 55 °C |
| Storage Temperature | -40 °C to +71 °C |
Power
| Parameter | Value |
|---|---|
| Power Consumption | 200 W maximum |
Amplitude
| Parameter | Value |
|---|---|
| Amplitude Resolution | 0.02 dB |
I/Q Baseband
| Parameter | Value |
|---|---|
| I/Q Input Impedance | 50 Ω |
| I/Q Full Scale Input Level | 0.5 Vrms (√(I² + Q²)) |
Sweep
| Parameter | Value |
|---|---|
| Sweep Points | 2 to 401 |
| Sweep Dwell Time | 400 µs to 35 s |
Reference
| Parameter | Value |
|---|---|
| External Reference Input Frequencies | 1, 2, 5, 10 MHz |
| External Reference Input Level | -3.5 to +20 dBm |
Technology
RF
Applications
Research & Development, Manufacturing, Wireless Communications Testing