Vertical system digital channels |
All MSO 3000 X-Series models and on all DSO 3000 X-Series models with after purchase upgrade |
Characteristics |
Digital input channels |
16 digital (D0 to D15) |
Thresholds |
Threshold per set of 8 channels |
Threshold selections |
TTL (+1.4 V)
5 V CMOS (+2.5 V)
ECL (–1.3 V)
User-definable (selectable by pod) |
User-defined threshold range |
±8.0 V in 10 mV steps |
Maximum input voltage |
±40 V peak CAT I; transient overvoltage 800 Vpk |
Threshold accuracy* |
±(100 mV + 3% of threshold setting) |
Maximum input dynamic range |
±10 V about threshold |
Minimum voltage swing |
500 mVpp |
Input impedance |
100 kΩ ±2% at probe tip |
Probe loading |
~8 pF |
Vertical resolution |
1 bit |
Horizontal system analog channels |
Maximum sample rate |
2 GSa/sec, 4 GSa/s half-channel interleaved |
Maximum record length |
2 Mpts per channel, 4 Mpts half-channel interleaved |
Maximum duration of time captured at highest sample rate (all channels) |
1 ms |
Time base delay time range |
Pre-trigger – Greater of 1 screen width or 200 μs
Post-trigger – 1 s to 500 s |
Channel-to-channel deskew range |
± 100 ns |
Time base accuracy* |
25 ppm ± 5 ppm per year (aging) |
Δ Time accuracy (using cursors) |
±(time base acc. x reading) ± (0.0016 x screen width) ± 100 ps |
Modes |
Main, zoom, roll, XY |
XY |
On channels 1 and 2 only Z Blanking on Ext Trigger Input, 1.4 V threshold Bandwidth:
Maximum bandwidth Phase error at 1 MHz: < 0.5 degree |
Horizontal system digital channels |
Maximum sample rate |
1 GSa/s |
Maximum record length |
2 Mpts (digital only), 500 kpts (analog and digital channels) |
Minimum detectable pulse width |
5 ns |
Channel-to-channel skew |
2 ns (typical); 3 ns (maximum) |
Trigger system |
Trigger modes |
• Normal (triggered): requires trigger event for scope to trigger
• Auto: triggers automatically in absence of trigger event
• Single: triggers only once on a trigger event, press [Single] again for scope to find another trigger event, or press [Run] to trigger continuously in either Auto or Normal mode
• Force: front panel button that forces a trigger |
Trigger coupling |
DC: DC coupled trigger
AC: AC coupled trigger, cutoff frequency: < 10 Hz (internal); <50 Hz (external)
HF Reject: High frequency reject, cutoff frequency ~ 50 kHz
LF Reject: Low frequency reject, cutoff frequency ~ 50 kHz
Noise Reject: Selectable OFF or ON, decreases sensitivity 2x |
Trigger holdoff range |
40 ns to 10.00 s |
Trigger sensitivity |
Internal* |
<10 mV/div: greater of 1 div or 5 mV; ≥ 10 mV/div: 0.6 div |
External* |
200 mVpp from DC to 100 MHz
350 mVpp 100 MHz to 200 MHz |
Trigger level range |
Any channel |
± 6 div from center screen |
External |
± 8 V |
Trigger type selections |
Edge |
Trigger on a rising, falling, alternating or either edge of any source |
Pulse width Trigger on a pulse on a selected channel, whose time duration is less than a value, greater than a value, or inside a time range
• Minimum duration setting |
2 ns- 10 ns (depends on bandwidth)
• Maximum duration setting: 10 s |
Runt |
Trigger on a position runt pulse that fails to exceed a high level threshold. Trigger on a negative runt pulse that fails to exceed a low level threshold. Trigger on either polarity runt pulse based on two threshold settings. Runt triggering can also be time-qualified (< or >) with a minimum time setting of 4 ns and maximum time setting of 10 s. |
Setup and hold |
Trigger and clock/data setup and/or hold time violation from < 0.0 to 10 s |
Rise/fall time |
Trigger on rise time or fall time edge speed violations (< or >) based on user-selectable threshold. Time settings range from (< or >) or 2 ns to 10 s. |
Nth edge bust |
Trigger on the Nth edge of a burst that occurs after a specified idle time. |
Pattern |
Trigger when a specified pattern of high, low, and don’t care levels on any combination of analog, digital , or trigger channels is [entered | exited]. Pattern must have stabilized for a minimum of 2 ns to qualify as a valid trigger condition. |
Time-qualified pattern |
Trigger on a multi-channel pattern whose time duration is less than a value, greater than a value, greater than a time value with a timeout, or inside or outside of a set of time values.
• Minimum duration setting: 2 ns - 10 ns (depends on bandwidth)
• Maximum duration setting: 10 s |
Video |
Video – Trigger on all lines or individual lines, odd/even or all fields from composite video, or broadcast standards (NTSC, PAL, SECAM, PAM-M) |
USB |
Trigger on start of packet, end of packet, reset complete, enter suspend, or exit suspend. Support USB low-speed and full-speed. |
I²S (optional) |
Trigger on 2’s complement data of audio left channel or right channel (=, ≠, <, >, > <, < >, increasing value, or decreasing value) |
I2C (optional) |
Trigger on I2C (Inter-IC bus) serial protocol at a start/stop condition or user defined frame with address and/or data values. Also trigger on missing acknowledge, address with no accq, restart, EEPROM read, and 10-bit write. |
SPI (optional) |
Trigger on SPI (Serial Protocol Interface) data pattern during a specific framing period. Supports positive and negative Chip Select framing as well as clock Idle framing and user specified number of bits per frame. |
CAN (optional) |
Trigger on CAN (controller area network) version 2.0A and 2.0B signals. Trigger on the start of frame (SOF) bit (standard). Remote frame ID (RTR), data frame ID (~RTR), remote or data frame ID, data frame ID and data, error frame, all errors, acknowledge error and overload frame. |
LIN (optional) |
Trigger on LIN (Local Interconnect Network) sync break, sync frame ID, or frame ID and data. |
RS-232/422/485/UART (optional) |
Trigger on Rx or Tx start bit, stop bit or data content |
Acquisition modes |
Characteristics |
Normal |
Peak detect |
Capture glitches as narrow as 250-ps at all timebase settings |
Averaging |
Selectable from 2, 4, 8, 16, 64, ... to 65,536 |
High Resolution Mode |
12 bits of resolution when ≥10 μs/div at 4 GSa/s or ≥20-μs/div at 2 GSa/s |
Segmented (optional) |
Re-arm time = 1 μs (minimum time between trigger events) |
Waveform measurements |
Cursors** |
• Single cursor accuracy:
±[DC vertical gain accuracy + DC vertical offset accuracy + 0.25% full scale]
• Dual cursor accuracy:
±[DC vertical gain accuracy + 0.5% full scale]* |
Automatic measurements |
Measurements continuously updated with statistics. Cursors track last selected |
measurement. Select up to four measurements from the list below |
• Voltage: peak-to-peak, maximum, minimum, amplitude, top, base, overshoot, pre-shoot, average- N cycles, average- full screen, DC RMS- N cycles, DC RMS- full screen, AC RMS- N cycles, AC RMS- full screen (standard deviation), ratio (RMS1/RMS2)
• Time: period, frequency, counter, + width, - width, burst width, duty cycle, rise time, fall time, delay, phase, X at min Y, X at Max Y
• Count: positive pulse count, negative pulse count, rising edge count, falling edge count
• Mixed: area- N cycles, area- full screen |
Counter |
Built-in frequency counter:
• Source: on any analog or digital channel
• Resolution: 5 digits
• Maximum frequency: bandwidth of scope |
Waveform math |
Arithmetic |
f (g(t))
g(t): { 1, 2, 3, 4, 1-2, 1+2, 1x2, 3-4, 3+4, 3x4}
f(t): { 1-2, 1+2, 1x2, 3-4, 3+4, 3x4, FFT(g(t)), differentiate d/dt g(t), integrate ∫ g(t) dt, square
root √g(t) }
Where 1,2,3,4 represent analog input channels 1, 2, 3, and 4
Note: Channels 3 and 4 only available on MSO/DSOX3xx4A models |
FFT |
Up to 64 kpts resolution
Set FFT Window to: Hanning, Flat Top, Rectangular, Blackman-Harris |
Display characteristics |
Display |
8.5-inch WVGA |
Resolution |
800 (H) x 480 (V) pixel format (screen area) |
Graticules |
8 vertical divisions by 10 horizontal divisions with intensity controls. |
Format |
YT and XY |
Maximum waveform update rate |
> 1,000,000 wfms/s |
Persistence |
Off, infinite, variable persistence (100 ms - 60 s) |
Intensity gradation |
64 intensity levels |
Input/output ports |
USB 2.0 hi-speed host port |
Two USB 2.0 hi-speed host ports, front and real panel
Supports memory devices and printers |
USB 2.0 hi-speed device port |
One USB 2.0 hi-speed device port on rear panel |
LAN port |
10/100Base-T (requires DSOXLAN module) |
Video out port |
Connect oscilloscope display to an external monitor or projector (requires DSOXLAN module) |
GPIB port |
To allow easy migration into existing test systems (requires DSOXGPIB) |
Probe compensator output |
Square wave: 2.5 Vpp, 1 kHz |
Kensington style lock |
Rear-panel security slot connects to standard Kensington-style lock |
WaveGen out |
Front-Panel BNC Connector |