The Agilent / Keysight E4448A is a high-performance microwave spectrum analyzer from the PSA series, operating from 3 Hz to 50 GHz. It offers exceptional dynamic range, precise amplitude accuracy, and can be extended to 325 GHz via optional external mixing. With a flexible platform supporting up to 80 MHz of analysis bandwidth and 16 built-in measurement personalities, it is designed for demanding RF, microwave, and millimeter-wave signal capture and analysis.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB (IEEE-488), LAN (10Base-T), RS-232, Centronics Parallel |
| Display | 21.3 cm (8.4 in) color TFT LCD, VGA (640 x 480) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 to 132 Vrms (50/60/400 Hz) or 195 to 250 Vrms (50/60 Hz), < 450 W maximum |
| Operating Temperature | 0 to +55 °C |
| Dimensions (W×H×D) | 426 x 177 x 482 mm (without handle) |
| Weight | 24 kg |
Frequency Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 3 Hz to 50 GHz |
| Extended Frequency Range | Up to 325 GHz (with optional external mixing) |
| Resolution Bandwidth (RBW) Range | 1 Hz to 8 MHz |
| Analysis Bandwidth | 10 MHz (standard); 40 MHz or 80 MHz (optional) |
Amplitude Specifications
| Parameter | Value |
|---|---|
| Input Attenuator Range | 0 to 70 dB (2 dB steps) |
| Maximum Safe CW RF Power | +30 dBm (1 W) |
Front Panel Inputs and Outputs
| Parameter | Value |
|---|---|
| RF Input Connector | 2.4 mm (male) |
| RF Input Impedance | 50 Ω (nominal) |
Environmental and Regulatory
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 to +70 °C |
Bandwidth
| Parameter | Value |
|---|---|
| Video Bandwidth (VBW) Range | 1 Hz to 8 MHz |
Amplitude
| Parameter | Value |
|---|---|
| Amplitude Measurement Range | DANL to +30 dBm |
| Maximum Safe DC Voltage | 0 V (DC coupled) |
| Trace Detectors | Normal, peak, sample, negative peak, log power average, RMS average, voltage average |
Sweep & Trigger
| Parameter | Value |
|---|---|
| Sweep Time (Span > 0 Hz) | 1 ms to 2000 s |
| Trigger Sources | Free run, video, line, RF burst, external front, external rear |
RF & Performance
| Parameter | Value |
|---|---|
| Preselector | Preselected microwave bands; bypassable (Option 123) |
Inputs & Outputs
| Parameter | Value |
|---|---|
| Internal Calibration Signal | 50 MHz |
| Reference Oscillator Output | 10 MHz |
| Reference Oscillator Input | 1 MHz to 30 MHz |
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 |
Environmental
| Parameter | Value |
|---|---|
| Vibration & Shock | MIL-PRF-28800F Class 3 |
Sweep
| Parameter | Value |
|---|---|
| Sweep Time (Zero Span) | 1 µs to 6000 s |
RF Input
| Parameter | Value |
|---|---|
| Input Attenuator Step Size | 2 dB |
Frequency
| Parameter | Value |
|---|---|
| Timebase Aging Rate | ±1 × 10⁻⁷ / year |