Janatek
Janatek Annie-USB 8-Channel Logic Analyser
Janatek Annie-USB 8-Channel Logic Analyser
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Overview
The Janatek Annie-USB is an 8-Channel logic analyser with an integrated pattern generator that gives you the functionality and quality of an expensive logic analyser at the price of an inexpensive one.
The Annie-USB has a maximum sampling rate of 500MHz and a buffer depth of 1Msamples per channel.
Note: The supplied software is compatible with Windows 98, ME, 2000 and XP.
The Annie-USB is an 8-channel PC-based logic analyser with probably the highest specifications in its class. It can capture data at a maximum rate of 500MHz and has a buffer depth of up to 1 Mega-samples per channel. The Annie-USB can also be used as an 8-channel digital pattern generator!.
| Summary |
A top-quality 8-channel PC-based logic analyser with probably the highest specifications in its class, this Janatek product is excellent value for money.
It captures data at a maximum rate of 500MHz, has a buffer depth of up to 1 Meg samples per channel, and incorporates an 8-bit pattern generator to aid debugging.
| Product |
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| Benefits |
The high sampling rate available on this analyser provides a more accurate representation of the signals on screen. (In general the sampling frequency should be 3 to 5 times faster than the shortest timing change being measured). 500 MHz provides 2 ns between samples.
The huge 1 Meg samples per channel buffer depth allows longer captures without lowering the sampling frequency, thus maintaining sampling resolution.
The combination of these two features on this analyser is difficult to beat, being especially useful for capturing high and relatively low frequency signals simultaneously.
| What's included |
- The Annie-USB main unit
- USB connector cable, 1.8m
- 8 x SMD grabber clips with ground leads (details)
- Printed User Manual
- Software and manual on CD
- Two year return to base warranty
- Lifetime technical support by phone or email
| Analyser Comparison |
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| Model | Channels | Sampling rate | Buffer depth |
| Annie-USB | 8 | 500 MHz | 1 Meg samples/channel |
| Logic-16 | 16 | 200 MHz | " |
| La-Gold-16 | 16 | 1 GHz | " |
| La-Gold-36 | 32 | 1 GHz | " |
| Software |
The software for the analyser is intuitive, very easy to understand and gives the user one-button access to most of the Annie-USB's advanced features. It is user friendly, and incorporates feedback suggestions from users. You could be taking meaningful measurements minutes after installing it for the first time.
The Annie-USB interfaces to the PC via the USB port. It utilizes USB-2 in its highest speed mode, but is also compatible with USB-1.1. No external power supply is required.
The Annie-USB offers high performance, excellent value for money and ease-of-use.
| Detailed Specification |
(a) Acquisition system (hardware related)
| Number of input channels | 8 digital |
| Voltage range | 0 to 7 V |
| Impedance | 1 Mohm ± 1%, 8pF |
| Bandwidth | 50 MHz minimum |
| Threshold voltage | 1.2 - 2.3 V |
| Data buffer size: | 1 Meg samples per channel |
| Pre/post-trigger buffer | The data buffer is divided into pre and post trigger sections. Sizes can be changed in 1000 samples steps |
| Internal sampling clock | Rates - MHz: 500, 200, 100, 50, 25, 10, 5, 2.5, 1 kHz: 500, 250, 100, 50, 25, 10, 5, 2.5, 1.25 Stability - 100 ppm |
| External sampling clock | Input to channel 7 Asynchronous - clock on rising/falling edge, 25MHz maximum synchronous - clock on rising/falling edge, 10MHz maximum |
| Digital logger clock (Logging to hard disk) |
Log rate - 1 second to 1 hour in 1 second steps Stability - logger timing obtained from PC |
| Post trigger delay (Extended capture time) |
Depends on sample frequency: 500 MHZ - maximum delay = 131 μs 200 MHz - maximum delay = 10 ms 1 MHz - maximum delay = 16 sec 2.5 kHz - maximum delay = 6710 sec Accuracy - 5 x sampling period |
(b) Trigger conditions (configured using software)
| Pattern | "1", "0" and "don't care" ("X") conditions selectable on all channels |
| Edge | Rising edge, falling edge, either (change of state), on any channel. |
| Edge/Pattern combinations | Edge OR pattern (whichever occurs first will cause a trigger) Edge AND pattern (for a trigger the edge condition must occur while the pattern condition is valid Edge THEN pattern / Pattern THEN edge (the first condition is required before the second condition |
| Continuous | Unconditionally - display updated at regular intervals. Conditionally - display updated when a trigger condition is detected. Any of the above trigger conditions may be set as described above. |
| Pattern valid for more or less than a specified time | trigger if pattern < duration (glitch capture), duration ±20ns tolerance, 1 ms max trigger if pattern > duration, duration ±20ns tolerance, 1 ms max |
| Mouse/Keyboard | A trigger may be forced |
(c) Pattern Generator
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Pattern source |
Pattern editor or user file |
| Number of channels | 8 |
| Data output clock rate | 20 MHz maximum |
| Minimum input impedance of load | 4k7 / 100pF |
| Modes of operation | Single/continuous Note: the Annie-USB can only act as a pattern generator OR analyser, not both at the same time. For simultaneous operation, see the La-Gold-36 |
(d) Software Environment
| Operating system | Windows 98, ME, 2000, XP, Vista 32 or later compatible versions |
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Display |
Number of channels - any number of the channels may be displayed Channel/group names - user specified signal names Display order - channel display order user specified Colours - specify colours for individual signals, background Zooming - comprehensive zooming in and out facility Default view is as a timing analyser, i.e. waveforms are shown. When capture has been paused, can be used as state analyser in hex and binary via additional window |
| PC connection | USB 2.0 High Speed (480 Mbit/sec) USB 1.1 Full Speed (12 Mbit/sec) Standard port type B on hardware unit connects to standard type A on PC using 1.8m USB lead supplied. |
| Saving to hard disk | Comprehensive set of file saves, including complete set-up, signal bitmap, main window bitmap, text, start-up configuration, captured data as Microsoft Excel compatible spreadsheet files, and project (UUT running on same PC) |
| Printed output | The timing diagrams, bitmaps, binary and hex data may all be printed in landscape or portrait modes |
(e) Physical and Environmental
| Weight | Hardware unit with test leads - 200 gram (7.0 ounce) Packaged in carton - 400 gram (14 ounce) |
| Dimensions | Hardware unit only - 150 x 50 x 29 mm (5.9 x 2.0 x 1.1 inches) Packaged in carton - 220 x 135 x 95 mm (8.6 x 5.4 x 3.6 inches) |
| Environment | The analyser is intended for indoor use |
| Operating temperature | 10 to 40 degrees C (50 to 104 degrees F) |
| Power requirement | 2.5W maximum (Capturing data). USB port powered. Fitted with a 1.6A resettable fuse, remove power for 3 minutes to reset Automatically enters sleep mode when not active |
| Compliance | CE certified and lead free |
| Manufacturer | Janatek Electronic Designs, South Africa |
Frequently Asked Questions
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