The Keysight (Agilent) Infiniium 54825A is a high-performance digital oscilloscope offering 4 channels, 500 MHz bandwidth, and a real-time sampling rate of 2 GSa/s simultaneously across all channels. Combining a simple, analog-like front panel with a versatile Windows-based graphical user interface, the 54825A is designed for efficient debugging, general-purpose circuit design, and troubleshooting. It provides extensive triggering capabilities, high acquisition rates, and integrated analysis tools suitable for professional engineering applications.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB, RS-232, Centronics Parallel, PS/2 keyboard & mouse, VGA output, LAN |
| Display | 8.4-inch active-matrix TFT color LCD, 640 × 480 resolution |
| Probe Compatibility | Agilent AutoProbe interface, supports passive and active probes |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100–240 VAC, 47–440 Hz, 390 W maximum |
| Operating Temperature | 5 to +40 °C |
| Dimensions (W×H×D) | 437 mm × 216 mm × 440 mm |
| Weight | 11.8 kg |
Vertical System
| Parameter | Value |
|---|---|
| Analog Bandwidth (-3 dB) | 500 MHz |
| Number of Channels | 4 |
| Calculated Rise Time (10% to 90%) | < 700 ps |
| Input Impedance | 1 MΩ ±1% (13 pF) or 50 Ω ±1% |
| Input Coupling | AC, DC, GND |
| Vertical Sensitivity Range (1 MΩ) | 2 mV/div to 10 V/div |
| Vertical Sensitivity Range (50 Ω) | 2 mV/div to 1 V/div |
| Vertical Resolution (ADC) | 8 bits (up to 12 bits with averaging) |
| DC Gain Accuracy | ±1.25% of full scale |
| Maximum Input Voltage (1 MΩ) | ±150 V (dc + peak ac) CAT II |
| Maximum Input Voltage (50 Ω) | 5 Vrms |
| Hardware Bandwidth Limits | 20 MHz |
| Channel-to-Channel Isolation | 40 dB from DC to 500 MHz |
| Offset Range (2 mV to 100 mV/div) | ±2 V |
| Offset Range (102 mV to 1 V/div) | ±20 V |
| Offset Range (1.02 V to 10 V/div) | ±200 V |
| Input Capacitance (1 MΩ) | 13 pF (nominal) |
| Probe Attenuation Factors | 0.0001:1 to 10000:1 (continuous) |
Horizontal System
| Parameter | Value |
|---|---|
| Maximum Real-Time Sampling Rate | 2 GSa/s on all 4 channels simultaneously |
| Maximum Record Length | 32 kpts per channel (64 kpts interleaved) |
| Time Base Range | 500 ps/div to 20 s/div |
| Time Base Resolution | 10 ps |
| Time Base Accuracy | ±0.0015% (15 ppm) |
| Channel-to-Channel Deskew Range | ±25 ns |
| Pre-trigger Delay Range | Up to 100% of record length |
| Post-trigger Delay Range | Up to 10,000 s |
Trigger System
| Parameter | Value |
|---|---|
| Trigger Sources | Channel 1, Channel 2, Channel 3, Channel 4, Line, Auxiliary |
| Trigger Modes | Auto, Triggered, Single |
| Trigger Coupling | DC, AC, LF Reject, HF Reject, Noise Reject |
| Trigger Holdoff Range | 100 ns to 320 s |
| Edge Triggering | Rising edge, falling edge, alternating |
| Glitch Triggering | Min/max pulse width 1 ns to 160 s |
| Setup and Hold Triggering | Setup time 0 ns to 10 s, hold time 0 ns to 10 s |
| Internal Trigger Level Range | ±8 divisions from center screen |
| Auxiliary Trigger Level Range | ±5 V |
Acquisition System
| Parameter | Value |
|---|---|
| Acquisition Modes | Real-Time, Equivalent-Time, Peak Detect, Averaging |
| Peak Detect Mode Min Pulse Width | 1 ns |
| Averaging Factor Range | 2 to 4096 |
| Repetitive Sampling Rate | 250 GSa/s max |
| Option 001 Memory Expansion | 64 kpts per channel (128 kpts max on 2 channels) |
Waveform Measurements and Analysis
| Parameter | Value |
|---|---|
| Automatic Measurements | Rise time, fall time, period, frequency, positive pulse width, negative pulse width, duty cycle, Vamplit, Vbase, Vtop, Vpp, Vmax, Vmin, Vrms, Vmean, overshoot, undershoot |
| Waveform Math Functions | Add, subtract, multiply, divide, integrate, differentiate, FFT |
| FFT Window Types | Hanning, Hamming, Rectangular, Blackman-Harris |
Processor and Storage
| Parameter | Value |
|---|---|
| Operating System | Microsoft Windows |
| Internal Storage | Internal hard disk drive (HDD), 1.44 MB floppy disk drive |
Environmental Specifications
| Parameter | Value |
|---|---|
| Operating Humidity | Up to 95% relative humidity (non-condensing) at +40 °C |
| Non-Operating Temperature | -40 °C to +70 °C |
| Operating Altitude | Up to 4,600 m (15,000 ft) |
| Non-Operating Altitude | Up to 15,300 m (50,000 ft) |
Triggering
| Parameter | Value |
|---|---|
| Internal Trigger Sensitivity (DC to 100 MHz) | 0.3 div |
| Internal Trigger Sensitivity (100 MHz to 500 MHz) | 1.0 div |
| Auxiliary Trigger Sensitivity (DC to 100 MHz) | 100 mV |
| Auxiliary Trigger Sensitivity (100 MHz to 500 MHz) | 250 mV |
| Video Triggering | NTSC, PAL, SECAM |
Auxiliary Inputs & Outputs
| Parameter | Value |
|---|---|
| Probe Compensator Output | ≈ 5 V into > 1 MΩ, ≈ 2.5 V into 50 Ω, ~ 1 kHz |
Environmental
| Parameter | Value |
|---|---|
| Operating Shock | 15 g, 11 ms half-sine |
| Non-operating Shock | 50 g, 11 ms half-sine |
Safety & Compliance
| Parameter | Value |
|---|---|
| Safety Standards | CSA C22.2 No. 1010.1, EN 61010-1, IEC 61010-1 |
| Electromagnetic Compatibility | IEC 61326-1, EN 61326-1, CISPR 11, EN 55011 Group 1 Class A |
Storage
| Parameter | Value |
|---|---|
| Floppy Drive | 3.5-inch 1.44 MB |
Connectivity
| Parameter | Value |
|---|---|
| Keyboard Port | PS/2 |
| Mouse Port | PS/2 |
| External Video Port | 15-pin D-sub VGA |
Maintenance
| Parameter | Value |
|---|---|
| Calibration Cycle | 1 year |
Technology
Digital Storage Oscilloscope (DSO)
Applications
Electronic circuit design, debugging, high-speed signal analysis, and educational labs