HP 54825A

ACQUISITION

HP 54825A

Maximum Sample Rate
Real Time:

2 GSa/s on each channel

Maximum Effective Sample Rate
Equivalent Time:

100 GSa/s

Memory Depth

32,768 points/channel

Memory Depth Modes

Auto:

Optimized for best combination of update rate and display quality

Manual:

Selectable from 16 to 32,768 points

Sampling Modes

Real Time:

Successive single shot acquisitions

Equivalent Time:

Random Repetitive sampling (higher time resolution at faster sweep speeds)

Peak detect:

Captures and displays narrow pulses or glitches 1 ns or wider at sample rates of 250 MSa/s or less

Filters

9-bit Bandwidth Limit
Filter:

BW = Sample Rate/20

(Sinx)/x Interpolation:

On/Off selectable FIR digital filter. Digital signal processing adds points between acquired data points to enhance measurement accuracy and waveform display quality. BW= Sample Rate/4

Averaging

Selectable from 2 to 4096

VERTICAL

HP 54825A

Number of Channels

4 (simultaneous acquisition)

Analog Bandwidth (-3dB)*

500 MHz

System Bandwidth with

1160A 10:1 passive probe

500 MHz

1162A 1:1 passive probe

25 MHz

1163A 10:1, 500 ohm
passive probe

500 MHz

1152A 2.5 GHz, .6 pF
active probe

500 MHz

1153A 200 MHz
differential probe

200 MHz

Real Time Bandwidth*

500 MHz

Rise Time¹

700 ps

Sensitivity²

1M ohm:

1 mV/div to 5 V/div

50 ohm:

1 mV/div to 5 V/div

Input Impedance*

1M ohm; ± 1% (8 pF nominal), or 50 ohm ± 1%

Input Coupling

dc, ac (7 Hz, available in 1M ohm only)

Maximum Input Voltage*

1M ohm:

± 250 V (dc + ac) [ac < 10 kHz], CAT I

50 ohm:

5 Vrms, CAT I

Hardware Bandwidth Limit (-3 dB)

On/Off selectable, 30 MHz

Channel-to-channel isolation (with channels at equal sensitivity)

dc to 50 MHz: 50 dB
50 MHz to 500 MHz: 40 dB

Offset Range

Vertical Sensitivity Available Offset
1 mV to 50 mV/div ± 2V
> 50 mV to 250 mV/div ± 10V
> 250 mV to 1.25 V/div ± 50V

Dynamic Range

± 12 div from center screen

Full resolution channel scales

All volts/division settings >= 7 mV/div

dc Gain accuracy*^2,3

± 1.25% of full scale at full resolution channel scale

Resolution²

Real Time

8 bits (0.4% of full scale), 12 bits with averaging

Equivalent Time

8 bits (0.4% of full scale), 12 bits with averaging

Offset Accuracy*²

± (1.25% of channel offset + 2% of full scale) at full resolution channel scale

dc Voltage Measurement Accuracy*^2,3

Dual Cursor

± [(dc gain accuracy)+(resolution)]

Single Cursor

± [(dc gain accuracy)+(offset accuracy)+ (resolution/2)]

Example (Single cursor
accuracy, 70 mV signal,
10 mV/div, 0 offset

Accuracy = ±[1.25%(80mV) + (1.25%(0) + 2%(80mV)) + (.4%/2)(80mV)] = ±2.8mV

AutoProbe Interface

AutoProbe is an intelligent communication and power link between compatible probes and HP Infinium Oscilloscopes. AutoProbe completely configures the scope for the attached probe. For instance, it identifies the probe type and sets up the proper input impedance, attenuation ratio, probe power and offset range, as needed.

HORIZONTAL

HP 54825A

Main Time Base Range

500 ps/div to 20 s/div

Horizontal Position Range (pre trigger)

0 to -1 s or one full screen width, whichever is larger

Horizontal Position Range (post trigger)

0 to 1 s or one full screen width, whichever is larger

Delayed Sweep Range

1 ps/div to current main time base setting

Delayed Sweep Delay Range

Within main time base acquisition record

Resolution

10 ps

Timebase Accuracy

50 ppm (.005%)

Delta-t Accuracy*

Real Time mode⁴

±[(.005%)(delta-t) + (0.2)(sample period)]

Equivalent Time mode
(>= 16 avgs.)

±[(.005%)(delta-t) + (full scale/(2 *memory depth)) + 60ps]

Peak Detect mode

±[(.005%)(delta-t)+(1 sample period)]

Example (Equivalent Time mode
(>= 16 avgs.), 9 ns signal,
1 ns/div, 1 channel)

Accuracy = ±[(.005%)(9 ns) + ((10 ns)/(2 * 32,768)) + 60ps] = ±[(450 x 10^-15) + (152 x 10^-15) + (60 x 10^-12] = 61 ps

TRIGGER

HP 54825A

Sensitivity*²

Internal (normal)

dc to 100 MHz: 0.5div
100 MHz to 500 MHz: 1.0 div

Internal (noise reject)

dc to 100 MHz: 1.0 div
100 MHz to 500 MHz: 1.5div

Auxiliary

dc to 500 MHz: 300 mVp-p

Maximum Input Voltage*

Auxiliary

2.5 k ohm: ± 15V, CAT I

Minimum Pulse Width (internal, external)

1 ns at > 1.0 div

Level Range

Internal

± 12 div from center screen

Auxiliary

± 5 V

Sweep Modes

Auto, triggered, single

Trigger Coupling

dc, ac (7 Hz), low frequency reject (50 kHz), high frequency reject (50 kHz)

Trigger Holdoff Range

60 ns - 320 ms

Trigger Modes

Edge, Glitch, Pattern, State, Delay by Time, Delay by Events, Violation (Runt, Setup/Hold Time, Pulse width, Transition), Video, Line

Glitch

Select positive or negative polarity, width. Captures glitches as narrow as 500 ps.

Pattern

Select inputs as High, Low or X (don't care) to create pattern. Trigger when pattern is entered, exited, present > t, present < t,or present over a range of time. Captures patterns as narrow as 500 ps.

State

Select one channel as clock, specify other inputs as High, Low or X. Logic Type: AND or NAND. Setup time is 1 ns and hold time is 0 ns.

Delay by Time

Time: 30 ns to 160 ms. The trigger is qualified by an edge. After the delay, a rising/falling edge on any one selected input will generate the trigger.

Delay by Events

Events: 1 to 16,000,000 rising or falling edges. The trigger is qualified by an edge. After the delay, a rising/falling edge on any one selected input will generate the trigger.

Violation Trigger

Runt

Select Positive, Negative or either polarity, thresholds, time qualified. Captures runts as narrow as 500 ps.

Setup/Hold

Modes: Setup, Hold or Setup and Hold. Select clock, thresholds, setup and/or hold time. Edges must be>/= 1.5 ns. The difference in slew rates between clock and data must be less than a 2:1 ratio.

Pulse Width

Triggers on pulse width > t, or < t. Captures pulses as narrow as 500 ps.

Transition

Select Rise Time or Fall Time, present > t or present < t, thresholds. Captures edges as fast as 800 ps.

Accuracy (time) for glitch, pulse width and time-qualified pattern

1.5 ns - 20 ns: ± (20% setting + 500 ps)
20 ns - 160 ms: ± (3% setting + 2 ns)

Video Triggering

525 lines/60 Hz (NTSC), 625 lines/50 Hz (PAL), 875 lines/60 Hz. Trigger on Field 1 or Field 2, any line. User defined triggering: User can specify sync pulse level, width and polarity, edge number.

DISPLAY

HP 54825A

Display

8.4 inch diagonal color active matrix LCD module incorporating amorphous silicon TFTs.

Annotation

Up to 12 labels, with up to 100 characters each, can be inserted in the waveform display area. Labels can be saved to and recalled from image files and setup files.

Active Display Area

6.73"x 5.04" (33.92 sq. in.) 171 mm x 128 mm (21,888 sq. mm)

Waveform Viewing Area

4.10"x 6.25" (25.6 sq. in.) 104 mm x 159 mm (16,536 sq. mm) in full screen mode

Display Resolution

640 pixels horizontally x 480 pixels vertically

Waveform Colors

Select from 100 hues, 0-100% saturation and 0-100% luminosity.

Dual Intensity Infinite Persistence

Previous sweeps are stored in half-bright display and recent sweeps in full-bright. This allows easy differentiation of current and historic information.

Waveform Overlap

When two waveforms overlap, a third color distinguishes the overlap area.

Full screen mode

On/Off selectable

Connect-the-dots

On/Off selectable

Persistence

Minimum, Variable (Up to 6 levels of gray scale, 100 ms to 40 s), Infinite

Graticule

On/Off (Grid/Frame)

Grid Intensity

0 to 100%

Display Update Rate

Waveforms/sec >1,975
V_pp Measurements/sec > 80

Measurement
Conditions

Real Time mode, minimum persistence display mode, triggered sweep mode, no interpolation, markers off, math off, connect the dots off, 1 channel acquisition, 50 ns/div, statistics off, 512 pt record (2GSa/s)

MEASUREMENTS

HP 54825A

Automatic Parametrics

27 automatic measurements: V_pp, V_min, V_max, V_avg, V_amptd, V_base, V_top, V_rms, Preshoot, Overshoot, V_upper, V_middle, V_lower, Rise Time, Fall Time, Period, Frequency, Positive Width, Negative Width, Duty Cycle, Delta Time, T_max, T_min, FFT Frequency, FFT Magnitude, FFT Delta Frequency, FFT Delta Magnitude. Over HP-IB only: VTime, TVolts

Threshold Definition

Selectable 10%, 50%, 90% or 20%, 50%, 80% or Custom (% or absolute voltage)

Top-Base Definition

Standard or Custom (in absolute voltage)

Statistics

On/Off selectable. Current measurement, mean and standard deviation

Histograms

Use vertical and horizontal waveform markers to define region to analyze. Can use in vertical (for timing and jitter measurements) or horizontal (noise and amplitude change) modes. Measurements included: mean, standard deviation, peak-to-peak value, median, total hits, peak (area of most hits), and mean +/ 1,2, and 3 sigma.

Eye Diagram Measurements

Eye diagram display mode allows triggering on both the negative-going and positive going edges of a signal. Eye diagram measurements include eye height, eye width, jitter, crossing percentage, Q factor, and duty cycle distortion.

Mask Testing

Allows pass/fail testing to user-defined or HP-supplied waveform templates. Up to 8 regions of polygons allowed. Mask inversion inverts mask around baseline. Test modes include test forever, test to specified time or event limit, and stop on failure. Auto-mask allows user to define tolerance range in time/voltage or percentage and create a mask template from a captured waveform. Masks can be automatically aligned with the incoming signal. All masks can be manually scaled via controls or the mouse.

Communications Mask Option

Option 100 provides a set of ITU G.703 and ANSI T1.102 industry standard masks for compliance testing. For a complete list of the masks provided, request HP Communications Mask Testing Option 100 technical data sheet (see page 8)

Measurement Toolbar

16 Drag and Drop automatic measurement icons.

QuickMeas

Activates 4 preselected automatic measurements, measurements are configurable

Markers Modes

Manual Markers, Track Waveform Data, Track Measurements

Waveform Math

4 functions f1-f4. Select from Add, Subtract, Multiply, Divide, Invert, Magnify, Vs, Min, Max, Integrate, Differentiate, FFT Magnitude

FFT

HP 54825A

Frequency Range⁵

dc to 1 GHz (Sample rate/2)

Frequency Resolution

Sample rate/Memory depth

Best Resolution

15.3 µHz (Sample rate_min /32,768 pts)

Best resolution at Sample rate_max

61.0 kHz (Sample rate_max /32,768 pts)

Frequency Accuracy

(1/2 frequency resolution)+(5x10^-5) (signal frequency)

Amplitude Display

Power in dBm

Signal-to-noise ratio

70 dB at 32K memory depth. Noise floor varies with memory depth and with averaging.

Window Modes

Hanning, Flattop, Rectangular

COMPUTER SYSTEM/STORAGE

HP 54825A

CPU

AMD K6-2™ 300 MHz microprocessor

Disk Drives

2.1 GByte internal hard drive. Storage capacity is limited only by disk space. 3.5" 120 MB LS-120 SuperDisk floppy drive (reads/writes to std. 3.5" floppies). Store and recall setups, waveforms, and store screen images to both the hard drive and the floppy drive.

File types

Waveforms

Internal, verbose,Y values, XY values

Images

BMP, EPS, GIF, PCX, PS (Postscript), CSV, TIF

Mouse

Standard mouse supplied. Supports any Microsoft® mouse-compatible pointing device, serial or PS/2

Waveform Memories

4 nonvolatile waveform memories

I/O

HP 54825A

LAN

Enables data/setup file transfers and use of network printers; supports Microsoft Networking; 10 MBPS operation that complies with IEEE 802.3 Ethernet and ISO/IEC 8802-3 Ethernet standards; TCP/IP protocol; RJ-45 connector, BNC connector.

GPIB

Fully programmable, complies withIEEE 488.2

RS-232 (serial)

2 ports: COM1, COM2. Printer and pointing device support

Centronics

Printer support

PS/2 port

For PS/2 mouse

Keyboard port

For optional keyboard

Video Output

15 pin VGA, full color

GENERAL

HP 54825A

Meets Hewlett-Packard's Environmental Specification (section 750) for class B-1 products with exceptions as described for temperature.

Temperature

Operating:

0°C to + 50°C

Nonoperating:

- 40°C to 70°C

Humidity

Operating:

Up to 95% relative humidity (noncondensing) at +40°C

Nonoperating:

Up to 90% relative humidity at +65°C

Altitude

Operating:

Up to 4,600 meters (15,000 ft.)

Nonoperating:

Up to 15,300 meters (50,000 ft.)

Vibration

Operating:

Random vibration 5-500Hz, 10 minutes per axis, 0.3g(rms)

Nonoperating:

Random vibration 5-500 Hz, 10 minutes per axis, 2.41g(rms); resonant search 5-500 Hz, swept sine, 1 octave/minute sweep rate, (0.75g), 5 minute resonant dwell at 4 resonances per axis.

Power

Voltage: 100-240VAC, +/- 10%, 47 to 440 Hz; Max power dissipation: 390 W

Weight

Net: 10.6 kg (23.4 lb)
Shipping: 13.6 kg (30 lb)

Dimensions (excluding handle)

Height: 216 mm (8.50 in); Width: 437 mm (17.19 in); Depth: 440 mm (17.34 in)

Safety

Meets IEC1010-1 +A2, CSA certified to C22.2 No.1010.1, Self certified to UL 3111