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Jobmatch Systems / Janatek 

Lu LA-USB 

16 Channel USB Logic Analyzer

  • 200 MHz sampling rate
  • 16 Channels
  • 1Meg Samples/Channel data buffer
  • Flexible trigger options
  • External clock input
  • Extended capture time function
  • Variable input threshold
  • Variable pre-/post trigger buffer sizes
  • Digital logger capabilities
  • User-friendly software
  • Runs on Windows 98/ME/2000/XP
  • Plugs to the PC USB port
  • Small size
  • CE compliant
  • Affordable

General

Advanced capabilities - easy to use
The comprehensive software provides a friendly and easily manageable environment for the wide spectrum of features. You can start meaningful measurements almost immediately after installing the software for the first time. Setting a trigger condition, capturing and navigating through the data, is a pleasure. The data may be viewed, saved and printed in various useful formats. If the Unit Under Test (UUT) is controlled by a PC, you do not require a second PC to run the logic analyzer software. Simply run your Lu-La-Usb and UUT software in different windows.

Flexible Trigger Options

A trigger may be set to occur on a rising edge, falling edge, or change-of-state on any channel. It may also be set for a level (pattern) condition by specifying a "1", "0" or "X" (don't care) condition on all channels. Combinations such as Edge OR Pattern, Edge AND Pattern, Edge THEN Pattern, Pattern THEN Edge, etc, may be set. A pattern duration may be specified. Triggering may then be set to occur should the pattern be shorter (glitch capture) or longer than the set duration.

During unconditionally continuous capture the screen updates at regular intervals. Continuous capture may be combined with a trigger condition. In this case the screen will update only when the condition is met. This is very useful for viewing continuously changing data, which cannot be viewed with simple regular screen updates: e.g. data on a serial line. By setting a condition you can view continuous screen updates, with the data nicely placed in the middle of the screen, where you can watch the data bits flipping.

Additional Details

Capability at low cost:  Now a high-performance Logic Analyzer is within reach of every electronics professional and enthusiast. You can leave that expensive big company analyzer in the store… the Lu-La-Usb will match the job.

For more detailed information, please click here:
Lu-LA-USB Detailed Information.

Specifications

Internal sampling rates

MHz: 200, 100, 50, 25, 10, 5, 2.5, 1
kHz: 500, 250, 100, 50, 25, 10, 5, 2.5

No. of channels

16 

Data buffer 

1Meg (1048 000 decimal) samples/channel 

Trigger methods:  

  

Pattern 
(Pattern valid for any duration

1,0, and "don't care" ("X") conditions selectable on all channels.  The pattern must be valid for at least 10ns. 

Pattern valid < Duration

Glitch Capture. Pattern duration  may be specified in steps of 20ns to 1 ms. Duration tolerance of ±20ns

Pattern valid > Duration

Pattern duration may be specified in steps of 20ns to 1 ms. Duration tolerance of ±20ns

Edge:

Triggers on: Rising edge, falling edge, either rising or falling edge (change-of-state), of any one channel

Mouse /Keyboard

Trigger may be forced.

Edge/Pattern combinations :

Edge : Rising edge, falling edge, Change of state

Pattern:

Edge OR pattern : Edge or pattern condition that occurs first will cause a trigger

Edge AND Pattern : For a trigger the edge condition must occur while the pattern condition is valid.  The pattern must be valid for at least 20ns before the edge and 20ns after the edge.

Edge THEN Pattern  / Pattern THEN Edge: The first condition is required before the second condition.  At least 30ns is required from detection of the first condition to the second.

Continuous:

Unconditionally Continuous : Trigger forced internally and display updated with regular intervals.

Conditionally Continuous : Display updated when a trigger condition is detected.  Any of the above trigger conditions may be set as described above.

Digital logger

1 Second to 1-hour sampling rates.

Threshold voltage

1.2V..2.2V (0.1V steps)

Pre-trigger and post-trigger  buffer  setting: 

The data buffer   is divided in pre- and post trigger   sections.  The pre-/post-trigger buffer relation may be changed in 1000 samples steps. 

Multitasking environment  

 

Windows:

Windows 98,ME,2000,XP or later compatible versions.

The power of the Windows multitasking environment is utilised to run the analyzer software and user’s unit under test  (UUT ) software simultaneously (if the UUT is PC based).

Hardware that interfaces with the PC may be driven from the PC while real-time measurements are performed on the hardware.  (The logic analyzer and UUT  software are simultaneously run on the same PC).  The analyzer and the user program may be viewed simultaneously in the Windows environment.

Ease of use:

The software is very easy to use.  Most functions are directly selectable by means of function buttons on the main screen.

User UUT application program launching:

The user application program may be run from the analyzer program menu or from Windows.

Display :

 

No. of  channels:

Any number of channels may be displayed.

Channel names

User specified signal names 

Display order :
Multiple channel selection 

Channel display order user specified
Select multiple channels for changing channel names, colors, show/hide, etc.

Colors

Specify colors for individual signals, background.

Zooming:

Data zoom :

All captured data may be viewed on one screen.

Zooming in to only a few samples displayed on the screen

Easy data display window sizing using the mouse.

Single capture

Captures a single set of data

Continuous capture display:

 

Unconditionally:  Continuously captures and displays data at a fixed update period.

Conditionally:  Updates the display each time a specified edge or pattern trigger  condition is met.

Cursors :

T-trigger  line: Indicates trigger position.

P-trigger line : Indicates trigger condition-1 position in case of condition-1 THEN condition-2  setting.

S-Cursor line indicates data search positions.

X, Y and Z-cursor for time measurements.

The values of the X and Y cursor lines, where they intersect the signal lines are shown.

Time measurements :

The time differences between any two cursor lines or trigger  line may be displayed. Take measurement easily by clicking mouse on first edge and on second edge to get the time difference. The time difference may also be indicated as a frequency. 

Edge snapping

Cursors (X, Y & Z) snap to signal edges for accurate time measurements.  (Especially useful when the display is zoomed out such that one screen pixel represents more than one data sample).

The signal edges to which the cursors lines have been snapped are indicated

Pattern search

Any channel conditions may be searched for.  1, 0 and "don't care" conditions specified.. Search from specified starting points.

Also repeated search 

Printed output

The timing diagrams, bitmaps, binary and hex data, may be.  Landscape and portrait. 

Power requirements: 

 

Capturing data: 2.5W Max 

Lu-La-Usb not capturing: 100mW Max 

The Lu-La-Usb will be fused with a 1.6A (or less) 

Resetable fuse. Remove power for 3 minutes to reset

Power supply

+5V obtained from USB port. No external PSU is necessary. External power may also be applied at the external power input: +5V, 3% ripple max. 2.5mm power jack input. The external power input is intended to power the unit when front-end modules are attached, which may require extra power. E.g.. ADC, DAC or multiplexer modules.

Internal sampling clock stability

100 PPM 

External clock 

Input to channel 15.  

Unsynchronised capture: 25Mhz Max  

Synchronised capture: 10 MHz Max, 30ns data valid on channel 0-14 before and after the clock signal on channel 15 changes. 

Ring buffer   configuration: Operates with pre and post trigger buffer. 

Linear buffer   configuration: Start capture immediate or from trigger. No initial clock pulses are missed with either immediate or from trigger capture. 

Logger sampling clock 

Timing obtained from PC 

Cursor to T-line accuracy 

T-Line onscreen: ± 1 sampling clock  period (2.5kHz to 200 MHz)

T-Line not onscreen (due to “large” ECT ): 

200 MHz: 140ns.

100 MHz: 180ns.

50 MHz down to 1.25 MHz: 10 x sampling clock period. 

Digital inputs

 

Input voltage:

0 – 7V

Input bandwidth:

50MHz min

Input impedance:

270k ±1% minimum , 8pF

Lu-La-Usb unit weight

 210 g

Lu-La-Usb unit dimensions

150mm x 86mm x 26mm

Lu-La-Usb packaged

 

Weight:

± 900g

Dimensions:

320mm x 130mm x 76mm

Operating Temperature:

10 C - 40 C. (50 F-105 F)

Connection to PC USB 1.1

 

Ordering information

Lu-LA-USB

16 Channel, USB, Logic Analyzer

The standard package consists of:  Lu-La-Usb main unit, USB cable, 16 x Test probes with ground leads, User's manual, Software

$ 1100.00

Demo

Lu-LA-USB Demo Software

LulaDemo513.zip

 

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