The Boonton Electronics 4531 is a high-speed, single-channel RF power meter designed for both laboratory accuracy and production-line speed. It is optimized for measuring CW, peak, and digitally-modulated signals (such as W-CDMA and HDTV) with a wide frequency range and up to 20 MHz of modulation bandwidth.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB (IEEE-488.2), RS-232, Recorder Output, External Trigger Input, External Trigger Output |
| Display | 1/4 VGA (320 x 240) monochrome LCD with CCFL backlight |
| Measurement Modes | CW, Peak, Statistical (PDF, CDF, CCDF) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 90 to 260 VAC, 47 to 63 Hz, 50 VA maximum |
| Operating Temperature | 0 to 50 °C |
| Dimensions (W×H×D) | 213 mm x 89 mm x 343 mm |
| Weight | 3.2 kg |
Measurement Capabilities & Performance
| Parameter | Value |
|---|---|
| Number of Channels | 1 |
| Frequency Range | 10 kHz to 40 GHz (sensor dependent) |
| CW Dynamic Range | -70 dBm to +44 dBm (sensor dependent) |
| Modulation Bandwidth | Up to 20 MHz |
| Rise Time | <15 ns (sensor dependent) |
| Statistical Measurements | CDF, CCDF, PDF |
| Measurement Resolution | 0.001 dB |
Sensor Compatibility & Connection
| Parameter | Value |
|---|---|
| Compatible Sensor Families | Boonton Peak Power, CW, and Average Power Sensors |
Calibration & Reference
| Parameter | Value |
|---|---|
| Internal Calibration Source Frequency | 50 MHz |
| Internal Calibration Source Power | -60 to +20 dBm |
| Internal Calibration Source Uncertainty | ±1.2% |
| Internal Calibration Source Connector | Type N (female), 50 Ω |
| Calibration Cycle | 1 Year (recommended) |
Triggering & Synchronization
| Parameter | Value |
|---|---|
| Trigger Sources | Internal, External, Software |
| Trigger Modes | Synchronous, Asynchronous |
| External Trigger Input Level | TTL compatible (high > 2.0 V, low < 0.8 V) |
| External Trigger Input Connector | BNC (rear panel) |
| External Trigger Output Level | TTL compatible |
| External Trigger Output Connector | BNC (rear panel) |
Software & Remote Programming
| Parameter | Value |
|---|---|
| Command Set Support | SCPI |
System Connectivity & Interfaces
| Parameter | Value |
|---|---|
| Recorder Output Voltage | 0 to 10 V (adjustable, rear panel BNC) |
Environmental & Compliance
| Parameter | Value |
|---|---|
| Storage Temperature | -40 to +75 °C |
| Relative Humidity Limit | Up to 95% non-condensing |
| Maximum Operating Altitude | 15,000 ft (4,572 m) |
| Warm-up Time | 5 minutes |
Performance
| Parameter | Value |
|---|---|
| CW Instrumentation Accuracy | 0.11% (0.005 dB) |
| Peak Instrumentation Accuracy | 0.20% (0.009 dB) |
| Effective Random Sampling Rate | 50 MS/s |
| Continuous Sampling Rate | 2.5 MS/s |
| Continuous Statistical Sampling Rate | 40 MS/s |
Calibrator
| Parameter | Value |
|---|---|
| Internal Calibrator VSWR | 1.05 maximum |
| Internal Calibrator Output Impedance | 50 Ω |
Timebase
| Parameter | Value |
|---|---|
| Internal Timebase Frequency | 10 MHz |
| Internal Timebase Aging Rate | < 1 ppm/year |
| Internal Timebase Temperature Stability | ±1 ppm (0 °C to 50 °C) |
| External Reference Input Frequency | 10 MHz |
Measurement
| Parameter | Value |
|---|---|
| dB Offset Range | -100 dB to +100 dB |
| Measurement Units | dBm, dB, W, mW, µW, nW, pW, % |
Technology
RF Power Measurement
Applications
RF and Microwave Test
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