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Global Specialties GA 320S Logic Analyzer
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Features:
- 3-Year Warranty
- 32 Data Channels from DC up to 25MHz
- RS-232 standard interface
- 100MHz maximum acquisition speed
- 5 nanosecond glitch capture
- 4 step multi-level trigger sequencing with delay & restart
- Multiple clocks for complex synchronous capture
- Variety of Disassemblers available for many popular microprocessors
- Non-volatile data and set-up memories
- 120 VAC @ 60 Hz or 220 VAC @ 50 Hz operation
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Until now, buying a truly low cost logic analyzer meant buying a very limited product with a
limited number of channels, limited speed, limited trigger capabilities and limited display facilities.
The GA320S is a product that meets the needs of all but the most demanding of applications. Thirty-two data channels, 100MHz maximum
acquisition speed, 5ns glitch capture and multi-level trigger sequencing.
The capabilities of a logic analyzer have become important within virtually every area of electronics. Development, production, service and
education all have a need for logic analysis, but the high prices have affected their accessibility. Now Global Specialties has made high
performance logic analysis affordable.
The GA320S is a high performance, low-cost, portable logic analyzer for development, production and field-service applications. It can capture
data across 32 channels (at 25MHz) at up to 100MHz (8 channels) and display it in both Timing and List formats on the built-in supertwist LCD
or on a PC screen.
The GA320S features multi-level triggering with event counting and restart. Glitch capture and glitch triggering are also available with the appropriate
input pods. The three external clocks have independent qualifiers and both data and clock pod inputs can be fixed (TTL) or variable threshold depending
on pod choice.
All functions are accessed through easy to follow soft-key controlled displays. The use of soft-keys guides the user and minimizes the number of
keystrokes required to achieve the desired function. Alternatively, the GA320S can be fully remote-control via its RS-232 serial interface from a PC
which offers an enhanced soft-key orientated user interface and more sophisticated data displays.
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| Model |
Description |
List Price |
Sale Price |
| GA320S |
32 Channel Logic Analyzer - Complete Package, Part No. 105-0327 |
$3149.00 |
| $2739.63 |  |
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Specifications:
Signal Inputs:
Number of Data Channels: 32
Number of Clock Inputs: 3 independent clock inputs: active edge can be independently selected for each to be either positive, negative, or off.
Number of Clock Qualifiers: 3, 1 for each clock. Selectable to be active high, low, or neither.
Input Characteristics: Determined by the type of pod fitted. All data and clock inputs on the standard AP01 (25MHz) pod are fixed TTL threshold with an impedance of typically 100kOhm//10pF. AP03 and ASP04 are high speed (100MHz) TTL threshold data and clock pods respectively, and AP03V/AP04 are versions with the threshold variable from -2.5V to +7.3 V in 100mV steps. Input impedance for all high speed pods is typically 100kOhm//6pF.
Activity Indicator: Shows whether the channel input is high, low, or switching.
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Triggering:
Trigger Sequencer Words: 4 words of up to 32 bits
Trigger Sequencer Terms: The actual trigger and restart terms search for in a sequencer step each consists of up to 4 trigger sequencer words ORed together.
Trigger Sequencer Steps: Each of up to 4 sequencer steps consists of a search for the trigger and restart terms specified in that step. Each step has an event count of 1 50 128 occurrences of the trigger term.
Trigger Position: Selectable to be from 0 to 5k clocks before the start, center or end of store, in 1k steps.
Trigger Output: TTL level signal at rear panel BNC.
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Timing Display:
Number of Channels: Any 6 channels may be displayed; channels may be repeated.
Channel Labeling: A user-defined name can be given for each group of channels and each channel will be uniquely numbered within the group
Number of Samples: A maximum of 1152 samples can be shown in the display window, with expansions of x2, x4, x8, and x16. The window can be scrolled throughout the store and a window indicator shows the position of the window within the store.
Cursors: A moveable cursor and a moveable marker, with direct readout of absolute and relative store positions and the data values at those locations. The marker will default to the trigger location following each acquisition.
Glitch: Glitches are shown by markers on the appropriate data channels.
Search: A search can be made for any word; the search word may include glitches on the glitch channels.
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List Display:
Channels Groups: Up to 32 channels can be grouped together under a single character label and given the corresponding name defined on the Timing display. Up to 16 groups can be specified.
Display Format: Binary, Octal, Hex, Decimal or ASCII individually selectable for each channel group. Each group is listed underneath its label or name.
Cursors: A moveable cursor and a fixed marker are provided.
Search & Compare: Differences between data and reference can be shown and a search made for any word and any difference. Automatic comparisons between data and reference memories can be performed on a user specified area of the data and acquisitions stopped on an equality or inequality.
Print Output: Any specified portion of the List display can be printed out via the RS-232 interface to a serial or parallel (with PC02 serial to parallel converter) printer.
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External Clock:
Frequency Range: DC to 25MHz
Minimum Clock Pulse Width: 20ns
Organization: 3 clocks, individually qualified and ORed together.
Set-up and Hold Times: 18ns set-up. 0ns hold for both data and clock qualifiers.
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Internal Clock:
Clock Rate: Selectable 40ns to 100ms (25MHz to 10 Hz) in a 1:2:4 sequence with all pods. 10ns (100MHz) with high speed pods in high speed mode.
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General:
Input Voltage: 115V or 230V nominal, 50/60Hz, adjustable internally; operating range ±14% of nominal. Installation Category II. 25VA max.
Operating Range: 5°C to 40°C, 20% to 80% RH.
Storage Range: -20°C to 60°C, 5% to 95% RH
Environmental: Indoor use at altitudes up to 2000m, Pollution Degree 1.
Electrical Safety: Complies with EN61010-1
Size: 10.2² (W) x 3.4² (H) x 9.2² (D) (260 x 88 x 235mm) excluding handle and feet.
Weight: 4.5 lb (2.1kg)
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Memory Organization:
Data Memory Size: 32 bits x 2k
Reference Memory Size: 32 bits x 2k
Non-Volatile Memory: Non-volatile storage for 10 acquisitions and 10 set-ups. Data retention by Lithium cell; typical life 5 years.
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System Data:
Display: 240 x 64 pixel graphic LCD giving 40 characters x 8 lines.
Interface: Addressable RS-232 interface, for remote control and data transfer.
Audible Warning Signal: Buzzer
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Glitch:
(Only available when high speed pods are fitted.)
Number of Channels: 16 (8 per pod)
Minimum Detectable Pulse: 5ns
Glitch Triggering: A glitch word can be specified which can be ORed with any trigger word within a trigger term.
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