The Keysight (formerly Agilent / HP) 54504A is a 400 MHz, 4-channel digital digitizing oscilloscope from the legacy HP 54500 series. Designed for demanding laboratory and design environments of its era, it features high-speed repetitive sampling, a 200 MSa/s real-time sample rate, and extensive HP-IB programmability.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | HP-IB (IEEE-488) |
| Display | 9-inch monochrome CRT |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 115 / 230 V AC (switchable), 48 Hz to 66 Hz |
| Operating Temperature | 0 to +55 °C |
| Dimensions (W×H×D) | 425.4 mm × 194.3 mm × 355.6 mm |
| Weight | 10.0 kg |
Vertical System - Analog Channels
| Parameter | Value |
|---|---|
| Analog Bandwidth (-3 dB) | 400 MHz (repetitive), 50 MHz (single-shot) |
| Number of Input Channels | 4 |
| Vertical Resolution | 6 bits |
| Input Impedance | 1 MΩ (shunted by 7 pF) or 50 Ω |
| Input Coupling | DC |
| Input Sensitivity Range | 2 mV/div to 5 V/div |
| Maximum Input Voltage | 1 MΩ: ±250 V (DC + peak AC); 50 Ω: 5 V rms |
Horizontal System
| Parameter | Value |
|---|---|
| Timebase Range | 500 ps/div to 5 s/div |
| Timebase Accuracy | ±0.005% |
| Timebase Resolution | 100 ps |
Acquisition System
| Parameter | Value |
|---|---|
| Maximum Real-Time Sample Rate | 200 MSa/s |
| Maximum Record Length (Memory Depth) | 2001 points |
| Number of Digitizers | 4 |
Trigger System
| Parameter | Value |
|---|---|
| Trigger Sources | Channels 1, 2, 3, 4 |
| Trigger Modes | Auto, Triggered, Single |
| Standard Trigger Types | Edge, Pattern, State, Delay |
Performance
| Parameter | Value |
|---|---|
| Repetitive Bandwidth | 400 MHz |
| Single-shot Bandwidth | 50 MHz |
Vertical System
| Parameter | Value |
|---|---|
| DC Gain Accuracy | ±1.25% of full scale |
| DC Offset Accuracy | ±(1.25% of offset + 2% of full scale) |
| Channel Isolation | ≥ 40 dB (DC to 100 MHz), ≥ 30 dB (100 MHz to 400 MHz) |
| Input Capacitance | 7 pF (at 1 Mohm input impedance) |
| Calculated Rise Time | 875 ps |
Trigger
| Parameter | Value |
|---|---|
| Trigger Sensitivity (DC to 100 MHz) | 0.1 division or 1.0 mV |
| Trigger Sensitivity (100 MHz to 400 MHz) | 0.22 division or 2.2 mV |
| Trigger Holdoff Range | 40 ns to 320 ms |
Power
| Parameter | Value |
|---|---|
| Maximum Power Consumption | 350 VA |
Environmental
| Parameter | Value |
|---|---|
| Maximum Operating Altitude | 4,600 m |
Memory & Storage
| Parameter | Value |
|---|---|
| Front-Panel Setup Memories | 4 non-volatile setups |
| Waveform Memories | 4 non-volatile waveforms |
Power Requirements
| Parameter | Value |
|---|---|
| Power Supply Voltage Range | 115/230 V AC ±10% |
| Power Supply Frequency Range | 48 to 66 Hz |
Interfaces & Connectivity
| Parameter | Value |
|---|---|
| HP-IB Compatibility | IEEE-488.2, fully programmable |
Technology
Digitizing Oscilloscope
Applications
Electronic testing, legacy system maintenance, RF analysis, analog design verification
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