The Agilent/Keysight 54846A is a high-performance 4-channel digital oscilloscope from the Infiniium 54800 Series. It features an analog bandwidth of 2.25 GHz and real-time sample rates of up to 8 GSa/s, designed to capture high-speed waveforms with precision. Equipped with a Windows-based graphical user interface, the 54846A combines the ease of use of an analog oscilloscope with the advanced analysis capabilities of a digital instrument, including options for voice control, USB test suites, and remote web control.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB, LAN (10/100Base-T), RS-232, Parallel (Centronics), VGA out, PS/2 mouse and keyboard |
| Display | 10.4-inch active-matrix color TFT LCD, 640 × 480 resolution |
| Internal Storage | Internal Hard Disk Drive (HDD) and 3.5-inch 1.44 MB floppy drive |
| Operating System | Windows 98 or Windows XP Professional (model/upgrade dependent) |
| System Processor | Intel Celeron or Pentium III (model/upgrade dependent) |
| Chassis Cooling | Forced-air (fan) |
| Recommended Calibration Interval | 1 year |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 V to 240 V AC (±10%), 47 Hz to 440 Hz, 390 W maximum power consumption |
| Operating Temperature | 5 to 40 |
| Dimensions (W×H×D) | 432 × 216 × 442 |
| Weight | 14.1 |
Vertical System
| Parameter | Value |
|---|---|
| Analog Bandwidth (-3 dB) | 2.25 GHz |
| Calculated Rise Time (10% to 90%) | 156 ps |
| Number of Channels | 4 |
| Input Impedance | 50 Ω |
| Input Coupling | DC |
| Vertical Resolution | 8 bits (up to 12 bits with averaging) |
| Input Sensitivity Range | 2 mV/div to 1 V/div |
| Maximum Input Voltage | 5 Vrms (or ±5 V peak) |
| Offset Range | ±1.2 V (2 to 50 mV/div), ±4 V (51 to 250 mV/div), ±5 V (251 mV/div to 1 V/div) |
| DC Gain Accuracy | ±1.25% of full scale |
| Channel-to-Channel Isolation | ≥ 40 dB (DC to 1 GHz), ≥ 30 dB (1 GHz to 2 GHz), ≥ 20 dB (2 GHz to 2.25 GHz) |
Horizontal System
| Parameter | Value |
|---|---|
| Timebase Range | 50 ps/div to 20 s/div |
| Timebase Accuracy | ±(0.15 ppm + 0.15 ppm/year aging) |
Acquisition System
| Parameter | Value |
|---|---|
| Maximum Real-Time Sample Rate | 8 GSa/s (on 2 channels), 4 GSa/s (on 4 channels) |
| Standard Memory Depth | 64 kpts/channel (128 kpts on 2 channels) |
| Maximum Memory Depth | 1 Mpts/channel (with Option 040) |
| Maximum Equivalent Time Sample Rate | 250 GSa/s |
| Memory Upgrade Options | Option 040: 1 Mpts/channel (2 Mpts on 2 channels) |
Trigger System
| Parameter | Value |
|---|---|
| Trigger Sources | Channel 1, Channel 2, Channel 3, Channel 4, Auxiliary, Line |
| Trigger Modes | Auto, Triggered, Single |
| Trigger Coupling | DC, AC, Low Frequency Reject, High Frequency Reject, Noise Reject |
| Trigger Holdoff Range | 100 ns to 10 s |
| Internal Trigger Level Range | ±8 divisions from screen center |
| Auxiliary Trigger Bandwidth | DC to 100 MHz |
Waveform Measurements and Analysis
| Parameter | Value |
|---|---|
| Automatic Measurements | Voltage (Max, Min, P-P, Top, Base, Amp, Avg, RMS, Over/Preshoot), Time (Period, Freq, Width, Duty, Rise/Fall, Phase) |
| Waveform Math Operators | Add, Subtract, Multiply, Divide, FFT, Differentiate, Integrate |
| FFT Window Types | Hanning, Hamming, Flat Top, Rectangular |
| Limit / Mask Testing | Optional (with Communications Mask Test Kit) |
Display and User Interface
| Parameter | Value |
|---|---|
| Waveform Display Formats | YT, XY |
| Voice Control Option | Available (for hands-free operation) |
Environmental and Compliance
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 °C to +70 °C |
| Operating Humidity | Up to 95% RH (non-condensing) at +40 °C |
| Operating Altitude | Up to 4,600 m (15,000 ft) |
Connectivity and Interfaces
| Parameter | Value |
|---|---|
| Logic Analyzer Compatibility | Time correlation with Agilent 16700 series logic analyzers |
Display
| Parameter | Value |
|---|---|
| Display Size | 8.4 in (213 mm) diagonal |
| Display Resolution | 640 x 480 pixels (VGA) |
| Display Type | Color flat-panel TFT active-matrix LCD |
Inputs & Outputs
| Parameter | Value |
|---|---|
| Probe Interface | AutoProbe interface (supports active probes with automatic scaling and power) |
Compliance & Certifications
| Parameter | Value |
|---|---|
| EMC Compliance | CISPR 11 / EN 55011 Class A, IEC 61000-3-2, IEC 61000-3-3 |
| Safety Standards | IEC 61010-1 / EN 61010-1, CSA C22.2 No. 1010.1, UL 3111-1 |
Technology
Digital Phosphor / DSO
Applications
High-Speed Signal Integrity, Communications Test, USB Compliance, Debugging