The Keysight (Agilent/HP) 83483A is a dual-channel 20 GHz electrical sampling oscilloscope plug-in module designed for use with the 83480A and 54750A Digital Communications Analyzer mainframes. It offers selectable bandwidth settings (20 GHz for fast transition times and 12.4 GHz for low-noise measurements) making it ideal for high-speed digital telecom and datacom waveform analysis.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | Proprietary mainframe plug-in interface slot connector |
| Display | None (utilizes mainframe display) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | Powered directly by the mainframe slot |
| Operating Temperature | 15 °C to 35 °C (for full accuracy) / 10 °C to 40 °C (operating) |
| Weight | 1.2 |
Electrical Channel Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 2 |
| Electrical Bandwidth (-3 dB) | 20 GHz (High Bandwidth mode) / 12.4 GHz (Low Noise mode) |
| Transition Time (10% to 90%) | ≤ 17.5 ps (20 GHz mode) / ≤ 28.2 ps (12.4 GHz mode) |
| Maximum RMS Noise | ≤ 0.5 mV (20 GHz mode) / ≤ 0.25 mV (12.4 GHz mode) |
| Typical RMS Noise | 0.3 mV (20 GHz mode) / 0.15 mV (12.4 GHz mode) |
| Input Impedance | 50 Ω |
| Electrical Connector Type | 3.5 mm (male) |
| Maximum Safe Input Voltage | ±2.0 V (DC + peak AC) or 16 dBm |
| Vertical Scale Factor Range | 1 mV/div to 100 mV/div |
| DC Gain Accuracy | ±2% of full scale |
| Dynamic Range | ±400 mV relative to channel offset |
System Performance
| Parameter | Value |
|---|---|
| Compatible Mainframes | HP / Agilent 83480A, 54750A |
Physical Specifications
| Parameter | Value |
|---|---|
| Form Factor | Single-slot plug-in module |
Performance
| Parameter | Value |
|---|---|
| Selectable Bandwidth Settings | 12.4 GHz / 20 GHz |
| DC Offset Range | ±2 V |
| Input Reflection | ≤ 5% (for 30 ps rise time) |
| Channel-to-Channel Isolation | ≥ 40 dB (DC to 12.4 GHz), ≥ 34 dB (12.4 GHz to 20 GHz) |
Environmental
| Parameter | Value |
|---|---|
| Operating Humidity | Up to 95% RH at 40 °C (non-condensing) |
| Operating Altitude | Up to 4,600 m (15,000 ft) |
| Non-operating Altitude | Up to 15,300 m (50,000 ft) |
Vertical System
| Parameter | Value |
|---|---|
| DC Offset Accuracy | ±2 mV ± 0.5% of offset setting |
Inputs
| Parameter | Value |
|---|---|
| Maximum Safe RF Power | +16 dBm |
| Input Connector Gender | Male |
Technology
Sampling Oscilloscope
Applications
High-speed electrical digital communications analysis