www.bkprecision.com

Digital Storage Oscilloscopes

Models 2553, 2555, 2556, 2557, 2558, and 2559

5

Specifications

2553

2555

2556

2557

2558

2559

Performance Characteristics

Bandwidth

70 MHz

100 MHz

200 MHz

300 MHz

Real Time Sampling Rate

Channels

4

2

4

2

4

Rise Time

< 5 ns

< 3.5 ns

< 1.8 ns

< 1.2 ns

Ch to Ch Isolation

(Both channels in same V/div setting)

>100:1 at 35 MHz >100:1 at 50 MHz

>100:1 at 100 MHz

>100:1 at 150 MHz

Max Memory Depth

Vertical Resolution

8 bit

Vertical Sensitivity

2 mV/div -10 V/div (1-2-5 order)

DC Gain Accuracy

＜±3.0%: 5 mV/div to 5 V/div in fixed gain ranges

＜±4.0%: 2 mV/div in variable gain ranges

Maximum Input Voltage

400 V (DC+AC PK-PK, 1 MΩ input impedance, X10), CAT I, 5 Vrms (50 Ω input impedance)

Position Range

2 mV–100 mV: ±800 mV

102 mV – 5 V: ±40 V

Bandwidth Limit

20 MHz ±40% (Note: BW limited below 20 MHz when using probe in X1)

Horizontal Scan Range

5 ns/div – 50 s/div

2.5 ns/div – 50 s/div

1 ns/div – 50 s/div

Timebase Accuracy

±100 ppm measured over 1 ms interval

Input Coupling

AC, DC, GND

Input Impedance

1 MΩ ± 2% || 13 pF ± 3 pF

1 MΩ ± 2% || 13 pF ± 3 pF,

50 Ω ± 2%

Vertical and Horizontal Zoom

Vertically or horizontally expand or compress a live or stopped waveform

I/O Interface

USB

Front and rear USB host ports support USB flash drives, USBTMC compliant USB device port for connecting to PC

LAN

Supports SCPI commands for remote control

Pass/Fail

Pass/Fail output

Acquisition Modes

Sampling

Display sample data only

Peak Detect

Capture the maximum and minimum values of a signal

Average

Waveform averaged, selectable from 4, 16, 32, 64, 128, 256

Trigger System

Trigger Types

Edge, Pulse Width, Video*, Slope, Alternative

*Support signal Formats: PAL/SECAM, NTSC

Trigger condition: odd field, even field, all lines, or line number

Trigger Modes

Auto, Normal, Single

Trigger Coupling

AC, DC, LF reject, HF reject

Trigger Source

CH1, CH2, CH3, CH4, EXT, EXT/5, AC Line

Pulse Width Trigger

Trigger Modes: Positive Pulse (＞,＜, ＝), Negative Pulse (＞, ＜, ＝)

Slope Trigger

Positive slope (＞,＜, ＝), Negative slope (＞,＜, ＝)

Time: 20 ns-10 s

Alternate Trigger

CH1 trigger type: Edge, Pulse, Video, Slope

CH2 trigger type: Edge, Pulse, Video, Slope

CH3 trigger type: Edge, Pulse, Video, Slope

CH4 trigger type: Edge, Pulse, Video, Slope

Notes:

(1) On 4-Ch models, Ch1 and Ch2 are interleaved, and Ch3 and Ch4 are interleaved. Half channel operation means that only Ch1 or Ch2 and/or only Ch3 or Ch4 is active.

(2) When timebase is 25 ns or faster and maximum data depth mode is enabled.