GAO unveils A0120009 USB PC Based Oscilloscope

GAO Tek Inc. (www.gaotek.com) has introduced a high performance eight-bit, dual channel USB PC based oscilloscope, the model A0120009.

This 100 MHz computer based USB digital storage oscilloscope is generally used for the maintenance of electronic devices and laboratory work in fields such as medicine, science, telecommunications and engineering.

The A0120009 oscilloscope seamlessly combines the functions of spectrum analyzer, oscilloscope, signal generator, waveform recorder, cymometer and voltmeter in one package.

Featuring 23 measurements and PASS/FAIL checking functions, the digital oscilloscope also offers 100 MHz bandwidth and a real-time sampling rate of up to 250 MS/s. Its triggering modes include normal, auto and single, while its adjustable vertical modes include ADD, Dual, CH1 and CH2.

Aside from performing FFT spectrum analysis, the oscilloscope also displays persistence, waveform average, invert, intensity, subtraction, addition, division, multiplication and X-Y plot.

Meanwhile, the waveform output of A0120009 can be saved in Excel, MS Word, text or graphic (BMP or JPG) formats. It also eliminates the need for external power as the oscilloscope is compatible with USB 2.0.

The A0120009 oscilloscope is part of Gao’s USB PC Based Oscilloscopes family, which is ideally suited for use in maintaining electronic devices and in laboratory work in fields such as medicine, science, telecommunications and engineering. This series of products also include digital storage oscilloscope, 60 MHz USB PC Based Oscilloscope and 40 MHz USB PC Based Oscilloscope.

GAO unveils GAO2250 USB PC based DSO

GAO Tek Inc. (www.gaotek.com) has unveiled GAO2250, a versatile USB PC Based digital storage oscilloscope (DSO) that is specifically engineered to accurately display and analyze the spectrum of repetitive events.

GAO Tek is a world leader in research, manufacturing and development of high performance electronic measurement instruments, embedded development tools, telecommunication testers and other electronic products that cater to the needs of electronic professionals. It combines the benefits of a high-performing PC based digital storage oscilloscope with remarkable features that includes two eight bit channels, a real-time sample rate of up to 250 MS/s and a bandwidth of 80 MHz.

Eliminating the need for an external power, GAO2250 is USB 2.0 compatible and can be conveniently used with a notebook computer. This digital oscilloscope is ideal for laboratory work and electronic equipment in the fields of medicine, science, telecommunications, engineering and industry. The scope’s professional software provides the ultimate test and measurement solution.

This USB PC based oscilloscope can be adjusted vertically with its four vertical modes feature. The scope also has trigger types for both falling and rising edge. Operating under most Windows OS including VISTA, GAO2250 digital oscilloscope also displays waveform persistence, average, invert, intensity, subtraction, addition, division, multiplication and X-Y plot. Moreover, the scope allows its waveform output to be saved in various formats such as Microsoft Word, text, Microsoft Excel or BMP or JPG graphics.

 

Ultra-compact USB PC Based Oscilloscope

GAO Instruments’ high performance USB PC based oscilloscope integrates a two (or four ) 250MSa/s single-shot digitizers with a 250MHz a 8 (or 16) channel logic analyzer and an 8k FFT Spectrum into a single instrument. By connecting to a computer’s parallel or USB port the scope provides an ultimate test and measurement solution. GAO offers various models to meet different requirements.

This USB PC based oscilloscope, model A0130005, contains fully synchronized cross triggering to capture and display analog events that affect digital circuits, or vice-versa, and correlate the two to identity cause and effect relationships. It features continuously variable pre-/post-trigger view, variable threshold voltage on logic analyzer channels, external clock input, ruggedized inputs, 20GHz repetitive mode sample rate and fast screen update rates. It slashes the cost of capturing and analyzing signals on up to 50MHz microprocessors, logic families, and analog circuits on systems. The display screen shows the full 256K/512K/1Mega sample deep data buffers for both the analog waveform and the digital data pattern. All-channel zoom expansion and cursors identify synchronous events on different channels.

GAO Instruments
www.gaoinstruments.com

High Performance USB PC Based Oscilloscope

GAO Instruments has announced the release of its USB PC based oscilloscope which is designed for the testing and maintenance of lines, electronic equipment and laboratory work in sciences, medicine, engineering, telecommunications and other industries.

This USB PC based oscilloscope, model A0130003, is compatible with USB 2.0 and requires no external power. It displays waveform average statistics, persistence, intensity, subtraction, and multiplication. The waveforms can be saved to text, MS Word or Excel, or graphic files (JPG or BMP). This versatile USB PC based oscilloscope with a 40MHz bandwidth operates under such operating systems as Windows98, Windows Me, Windows NT, Windows 2000, Windows XP and Vista. It offers three triggering modes – auto, normal and single for selection and has a maximum sample rate of 250MS/s.

GAO Instruments
www.gaoinstruments.com

Signal Level Meter for CATV Signal Measurement

GAO Instrumentsrolled out its super signal level meter used in the CATV industry. This super level meter measures and displays the amplitude at a specific frequency or any carrier defined by the user. This super signal level meter tests analogue channels, digital channels (QAM) and FM channels efficiently and effectively. It also performs C/N measurement, voltmeter functions, spectrum analysis, auto testing, data logging and return path measurements.

This super signal level meter, model A0500003, operates within a broad frequency range of 45MHz to 870MHz or 5MHz to 870MHz. The peak-hold level measurement function in the LEVEL and SPECTRUM modes enables the meter to detect the occasional disturbance. The meter features a compact size, automatic timing measurements and quick charging. It is an ideal and invaluable tool for CATV signal testing.

www.gaoinstruments.com

PCM Channel Analyzer Features Multiple Operations

GAO Instruments has rolled out its PCM channel analyzer designed to measure PCM voice encoding or decoding characteristics. It is commonly used to analyze PCM devices, digital switches, carrier wave communication devices and VoIP devices. The portable PCM channel analyzer features touch operation, key-stroke operation, expanded mouse operation, flexible control modes and a convenient Windows style GUI. It also measures return loss, longitudinal conversion loss and longitudinal conversion transfer loss.

GAO Instruments’ PCM channel analyzer, model 2038, incorporates an analog signal generator/receiver, a selective level meter, a BER tester, a ring generator/identifier, a dialer, a DC loop circuit (ICT, OGT), a balanced bridge and a reflecting bridge into a single instrument. It supports equal step sequence of frequency spots or customized spots where the number of spots is selectable. The high performance PCM channel analyzer stores up to 100 groups of data, compares the measured results with built-in standard ITU-T tolerance masks and evaluates whether the results passed or failed. Users can develop and design voice channel measurement/control systems under various conditions by using remote control via USB or Ethernet interface. Test results can be uploaded to a computer where they can be further viewed, analyzed, assembled, filed and printed via included Test Manager Pro software; the embedded software is upgradable online.

www.gaoinstruments.com

Handheld ADSL2+ Tester Measures Distances Up To 6.5km

GAO Instruments has announced the release of its easy-to-use ADSL2+ tester which tests ADSL, ADSL2, ADSL2+ and RE-ADSL2 lines. This multi-function tester quickly determines the type of line under test and loads the applicable ADSL line standard automatically. It performs TX and RX data packet accounting, PING testing and ISP login simulation.

This compact ADSL2+ tester, model A0300010, automatically transmits VPI, VCI, user name and password according to embedded configuration parameters input via accompanying software. It supports a maximum measurement distance of 6.5km and stores one hundred groups of test results, along with configurations and margins, which can be uploaded to a computer for analysis. Test results are clearly displayed on the high resolution backlit LCD screen which also indicates alert conditions and the connectivity of WAN or LAN. In addition, the operator only needs to enter the configuration, set the measurement margin and parameters, and with the press of a single key, ADSL2+ line parameter testing, modem simulation and ISP login are conveniently completed.

www.GAOInstruments.com

HandHeld Signal Meter Covers Many Applications

GAO Instruments has announced the release of its handheld super signal level meter,a versatile and easy-to-use device ideal for professionals in the CATV industry.This rugged signal level meter covers a broad range of applications:it measures and displays signal amplitude at a specific frequency or any carrier as defined.The meter also supports C/N measurement,voltmeter functions, spectrum analysis,auto test and data logging.It verifies proper signal levels for any channel.

GAO Instruments’ super signal level meter, model A0500003,tests analog channels,digital channels (QAM) and FM channels efficiently and accurately.The peak-hold level measurement function in both LEVEL and SPECTRUM modes allow this meter to detect the occasional disturbance.It features a compact size,simple operation,high reliability and a high resolution LCD screen.It also provides a communication interface for data storage and analysis.The handheld signal level meter is capable of providing a broad frequency range and supports return path measurement.The average continuous operating time is about six to eight hours on a full charge.All of these capabilities make the signal level meter an invaluable tool for both indoor and outdoor testing.

www.gaoinstruments.com

Optical Power Meter with Long Operating Time

GAO Fiber Optics launched its upgraded, highly accurate optical power meter used for absolute optical power and relative loss measurements of fiber optics. This practical optical power meter features absolute and relative power measurements, a high accurate test precision of ±5% and an automatic self calibration function. It is an essential solution for telecom and CATV maintenance as well as fiber optics test labs.

This multi-functional power meter, model 08113, displays optical power in mw, dB and dBm on its large, high definition LCD screen. It supports 850, 1300, 1310, 1550 and 1490nm calibrated wavelength and provides optional FC, SC and ST interchangeable connectors. This easy-to-use optical power meter is resistant to dust and water which makes it suitable for use in any harsh environment. It supports more than 240 hours continuous operation using three 1.5V batteries and consumes little power due to its auto-off function. The rugged power meter is ideal for use in the field as it is light in weight and compact in size.

GAOFiberOptics

Handheld Laser Light Source

Toronto, Canada – GAO Instruments has launched its durable, compact fiber optic laser light source for use in the field or lab applications. It performs fast and accurate measurement on long-distance and local optical networks.

This portable laser light source, model A0630010, offers high stability for accurate fiber optic testing. It provides stable power output at a wavelength of 1310nm or 1550nm through a single output connector. The light source can operate in either continuous wave mode or 2kHz modulated mode for up to twelve hours without any service interruption. It can measure the loss in an optical fiber up to 200km in length with high accuracy. The device also gives a low battery indication when requiring battery replacement.

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