The Keysight (formerly Agilent / HP) E4408B-BAS is a 9 kHz to 26.5 GHz basic spectrum analyzer from the ESA-L series, designed for general-purpose bench-top, manufacturing, or service environments. It delivers essential spectrum analysis capabilities with a fast 5-minute warm-up time, rugged weather-resistant construction, and built-in PowerSuite measurements.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB (IEEE-488), RS-232, Parallel (Centronics) |
| Display | 16.5 cm (6.5 in) color VGA TFT LCD |
| Warm-up Time | 5 minutes (to guaranteed measurement accuracy) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 90 to 132 Vrms (47-440 Hz) / 195 to 250 Vrms (47-66 Hz), < 300 W |
| Operating Temperature | 0 to 55 |
| Dimensions (W×H×D) | 373 × 222 × 409 |
| Weight | 17.1 |
Frequency Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 9 kHz to 26.5 GHz |
| Frequency Reference Aging Rate | ± 2 × 10⁻⁶ / year |
| Phase Noise (10 kHz offset) | ≤ -90 dBc/Hz |
Amplitude Specifications
| Parameter | Value |
|---|---|
| Maximum Safe Input Level (Average Power) | +30 dBm (1 W) |
| Maximum DC Input Voltage | 0 Vdc (DC coupled) |
| Input Attenuator Range | 0 to 65 dB |
| Input Attenuator Step Size | 5 dB |
Inputs and Outputs
| Parameter | Value |
|---|---|
| RF Input Connector Type | APC-3.5 mm (male) |
| RF Input Impedance | 50 Ω |
| 10 MHz Reference Input | BNC (female) |
| 10 MHz Reference Output | BNC (female) |
Software and Control
| Parameter | Value |
|---|---|
| Trace Detectors | Peak, Sample, Negative Peak, Normal (Rosenfell) |
| Measurement Personalities | PowerSuite one-button RF power measurements (Standard), 8590 series code compatibility (Option) |
Hardware Options
| Parameter | Value |
|---|---|
| Tracking Generator Option | 50 ohm tracking generator |
| Battery Option | Snap-on battery pack |
Performance
| Parameter | Value |
|---|---|
| Trigger Modes | Free run, single, line, video, external |
| Amplitude Scale Settings | Log: 0.1, 0.2, 0.5, 1 to 20 dB/div; Linear: 10 divisions |
| Display Sweep Points | 401 |
Power
| Parameter | Value |
|---|---|
| Maximum Power Consumption | < 300 W |
Environmental
| Parameter | Value |
|---|---|
| Operating Altitude | Up to 3,000 meters (9,840 ft) |
| Operating Humidity | Up to 95% relative humidity at 40°C (non-condensing) |
Compliance
| Parameter | Value |
|---|---|
| Safety Compliance | IEC 61010-1, CSA C22.2 No. 1010.1 |
| EMC Compliance | CISPR 11 / EN 55011 Group 1 Class A |
Data Storage
| Parameter | Value |
|---|---|
| Removable Media Storage | 3.5-inch 1.44 MB floppy disk drive |
Frequency
| Parameter | Value |
|---|---|
| Span Range | 0 Hz (zero span), 100 Hz to 26.5 GHz |
| Marker Resolution | Span / 400 |
Bandwidth
| Parameter | Value |
|---|---|
| Video Bandwidth (VBW) Range | 30 Hz to 3 MHz (1 Hz minimum with Option 1DR) |
Amplitude
| Parameter | Value |
|---|---|
| Reference Level Range | -149 dBm to +30 dBm |
| Amplitude Units | dBm, dBmV, dBµV, Volts, Watts |
| Calibration Signal Frequency | 50 MHz |
| Calibration Signal Amplitude | -20 dBm |
Technology
RF / Microwave
Applications
Spectrum Analysis