LeCroy_LC334A_LC574AL_Datasheet 电路图.pdf

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1、 | PRODUCTS Oscilloscopes Protocol Analyzers Differential Amplifiers Probes Automotive/Vehicle Test Mixed Signal Test Solutions Modular Instruments Scope Accessories Hardware Options Software Options Discontinued Products 9 Color Display LeCroy provides a very large, sharp oscilloscope screen that i

2、s 50% larger in total viewing area than a 7 screen. Its powerful features include Analog Persistence, Color-Graded Persistence, Full Screen mode, Opaque or Transparent display, color association, and personal color schemes. These provide the user with outstanding benefits that accelerate visual proc

3、essing and effective communication of on-screen information. High-Speed Acquisition The design and debug of fast digital systems and the need to capture fast transient signals require high-speed signal capture. The LC574A four- channel, 1 GS/s, 1 GHz bandwidth DSO operates at a 4 GS/s sample rate fo

4、r single-channel inputs. The high sample rate, bandwidth and the 1 GHz trigger bandwidth provide a flexible solution for capturing and viewing fast risetime signals. Large Sample Rate Window Having a high sample rate in a DSO is only the first step to preserving data integrity. The time window over

5、which this sample rate is available is also of critical importance. Long acquisition memory maintains the LC334A LC574A Datasheet Leading Specifications Digital oscilloscopes from LeCroy are designed to save engineers valuable time in troubleshooting and problem-solving. Each oscilloscope is an inte

6、grated and powerful system providing the capability to: ?Capture the key events with high resolution for longer time intervals ?View data like never before, giving you more information more quickly, with a large, color CRT and advanced display techniques ?Analyze your signal to get answers quickly a

7、nd more accurately with a powerful processing system and math packages. ?Eight trace display for a more complete picture. ?500 MHz and 1 GHz Bandwidth ?2 GS/s and 4 GS/s Single- Shot Sample Rate ?8 Million Points of Acquisition Memory ?4 ms Maximum Sample Rate Window ?96 MHz PowerPC Microprocessor ?

8、8 to 64 MB System RAM ?9 Color Display with 8 Traces ?Analog Persistence ?Full Screen Grid Search: International Sites Request Info Request Quote Technical Library Service LC334AL. 2 ms 4 GS/s; LC574AL. Sensitivity LC334A: 2 mV/div to 5 V/div, 50 ohm, fully variable. 2 mV/div to 5 V/div, 1 Mohm, ful

9、ly variable. Sensitivity LC574A: 2 mV/div to 1 V/div, 50 ohm, fully variable. 2 mV/div to 10 V/div, 1 Mohm, fully variable. Scale factors: A wide choice of probe attenuation factors are selectable. Offset Range LC334A: 2.00 - 9.99 mV/div: 120 mV 10.0 - 199 mV/div: 1.2 V 0.2 - 5.0 V/div: 24 V Offset

10、Range LC574A: 2.00 - 4.99 mV/div: 400 mV 5.00- 99 mV/div: 1 V 0.1 - 1.0 V/div: 10 V 1.0 - 10 V/div: 100 V (1 Mohm only) DC Accuracy: Typical 1% Vertical Resolution: 8 bits Bandwidth Limiter LC334A: 30 MHz Bandwidth Limiter LC574A: 25 MHz, 200 MHz Input Coupling: AC, DC, GND Page 3 of 11LeCroy LC334A

11、 Series Digital Oscilloscope 1/31/2007 RadioFans.CN 收音机爱 好者资料库 Input Impedance: 10 Mohm/15 pF for LC334A (system capacitance using PP005), 10 Mohm/11 pF for LC374A/LC574A (system capacitance using PP005) or 50 ohm 1%. Max Input: 50 ohm: 5 V DC (500 mW) or 5 V RMS 1 Mohm on LC334A: 250 V 1 Mohm on LC

12、574A: 400 V (DC + peak AC =10 kHz) SMARTMemory: This total memory management system dynamically manages acquisition memory to guarantee that signals are always sampled at the highest possible sample rate and that system RAM and microprocessor resources are always optimally employed. Acquisition Mode

13、s Random Interleaved Sampling (RIS): For repetitive signals from 1 ns/div to 5 s/div (2 s/div for LC574A). Single shot: For transient and repetitive signals from 10 ns/div (1 ns/div for LC574A) with all channels active. Peak detect: At 400 MS/s, peak detect can capture high-speed events down to 1 ns

14、, while simultaneously capturing normally sampled data. Sequence: Stores multiple events - each of them time stamped - in segmented acquisition memories. Dead Time between segments: Typically 30 s, max. 50 s Timebase System Timebases: Main and up to 4 Zoom Traces Time/Div Range: 1 ns/div to 1,000 s/

15、div. Clock Accuracy: 50 kpoints: 10 s to 1,000 s/div. External Clock: =100 MHz (20-100 MHz for LC574A and LC374A) on EXT input with ECL, TTL or zero crossing levels. Optional 50 MHz to 500 MHz rear-panel fixed frequency clock input. External Reference: Optional 10 MHz rear-panel input. Additional In

16、formation Interfacing Remote Control: Possible by GPIB and RS-232-C for all front-panel controls, as well as all internal functions. RS-232-C Port: Asynchronous up to 115.2 Kb/s for computer/terminal control or printer/plotter connection. GPIB Port: Configurable as talker/listener for computer contr

17、ol and fast data transfer, up to 300 kbytes/sec. Command Language complies with requirements of IEEE-488.2. Page 4 of 11LeCroy LC334A Series Digital Oscilloscope 1/31/2007 Centronics Port: Hardcopy parallel interface is standard. PC Card (PCMCIA I/II/III) Ports: For memory cards, ATA compatible flas

18、h cards and removable hard disks - optional. Floppy Disk: High-density 3.5 floppy disk drive (DOS format) is standard. VGA Compatible Display: 15-pin D-type VGA compatible connector for external color display. Hardcopy: Screen dumps are activated by a front-panel button or via remote control. TIFF a

19、nd BMP formats are available for importing to desktop pub-lishing programs. The following printers and plotters can be used to make hardcopies: B/W: HP LaserJet, HP DeskJet 500, Epson FX. Color: HP DeskJet 550C, Epson Stylus, Canon BJC. An optional, internal, high- resolution graphics printer is als

20、o available for screen dumps; a stripchart output format with 2 meters per division is also possible. Output Formats: ASCII waveform out-put is available in seconds, compatible with spreadsheets, MATLAB, MathCad. Binary output is also available. General Auto-calibration ensures specified DC and timi

21、ng accuracy. Temperature: 5 to 40C (41 to 104F) rated 0 to 50C (32 to 122 F) operating. Humidity: 80% for temperatures up to 31C decreasing linearly to 50% relative humidity at 40C. Altitude: Up to 2000m (operating), 40C max. Power: 90-132 V AC, 180-250 V AC, 45-66 Hz, 400 W. Battery Backup: Front-p

22、anel settings maintained for two years. Dimensions: (HWD)10.4 x 15.65 x 17.85 (264 mm x 397 mm x 453 mm) Weight: 20 kg (44 lbs) net, 28 kg (61.6 lbs) shipping. Warranty: Three years. CE Approval: EMC: Conforms to EN50081-1 and EN50082-1. UL and cUL approved: UL standard: UL 3111-1; cUL Canadian Stan

23、dard CSA-C22.2 No. 1010. 1-92. Safety: The oscilloscope has been designed to comply with EN61010-1 Installation Category (Over-voltage Category) II, Pollution Degree 2. Signal Viewing Type: Color 9 Raster Scan CRT, 0.26 mm dot pitch. Resolution: 640 x 480 points. Page 5 of 11LeCroy LC334A Series Dig

24、ital Oscilloscope 1/31/2007 Display Area: 170 mm x 125 mm - 50% greater than that of a 7 display. Controls: Rear-panel presets for position, brightness and contrast. Menu controls for brightness and color selection. Grid Styles: Single, Dual, Quad, Octal, XY, Single+XY, Dual+XY, and Full Screen - an

25、 enlarged view of each grid style. Graticules: Internally generated; separate intensity control for grids and waveforms. Selectable blending of grid with displayed traces. Waveform Style: Dot Join with option-al sample point highlight or Dots only. Persistence Modes: Color-graded per-sistence and An

26、alog Persistence, infinite or variable with decay over time. In color-graded persistence, a color spectrum from red through violet is used to map signal intensity. With Analog Persistence, the brightness level of a single color denotes signal intensity. Each traces persistence data is stored in 64 k

27、 levels. Analog Persistence is only available in four channel mode on LC334A models. Trace Display: Opaque or transparent mode, with overlap management. Number of Traces: 8 (any mix of channels, memories or Math functions). Real-time Clock: Date, hours, minutes, seconds. External Monitor: Rear-panel

28、 15-pin socket for VGA compatible monitor. Vertical Zoom: Up to 5x vertical ex-pansion (50 x with averaging, up to 40 V/div sensitivity). Horizontal Zoom: LC334A: Waveforms can be expanded to give 2-2.5 points/division. This allows zoom factors up to 100,000 x for the M models and up to 400,000 x fo

29、r the L models when channels are combined. LC574A: Waveforms can be expanded to give 0.4-0.5 points per division. Zoom factors up to 2,000,000 x with all channels combined on the LC574AL. Triggering System Modes: Normal, Auto, Single, and Stop. Sources: CH1, CH2, CH3, CH4, Line, EXT, EXT/10. Slope,

30、Level and Coupling are unique to each source. Slope: Positive, Negative. Coupling: AC, DC, HF, LFREJ, HFREJ Pre-trigger recording: 0 to 100% of full scale (adjustable in 1% increments). Post-trigger delay: 0 to 10,000 divisions (adjustable in 0.1 div. increments). Holdoff by time: 10 ns to 20 s Hold

31、off by events: 0 to 99,999,999 Page 6 of 11LeCroy LC334A Series Digital Oscilloscope 1/31/2007 Internal Trigger Range: 5 div EXT Trigger Max Input LC334A: 10 Mohm/15 pF (system capacitance using PP005): 50 V (DC + peak AC =10kHz) 50 ohm 1%: 5 V DC (500 mW) or 5 V RMS. EXT Trigger Max Input LC574A: 1

32、0 Mohm/11pF (system capacitance using PP005): 400 V (DC + peak AC =10 kHz) 50 ohm 1%: 5 V DC (500 mW) or 5 V RMS. EXT Trigger Range: 0.5 V (5 V with Ext/10). Trigger Timing: Trigger Date and Time are listed in the Memory Status Menu. Trigger Comparator: Optional ECL rear-panel output. Alternatively,

33、 the calibrator output can provide a trigger output or a Pass/Fail test output. SMART Trigger Types Pattern: Trigger on the logic combination of 5 inputs - CH1, CH2, CH3, CH4, and EXT Trigger, where each source can be defined as High, Low or Dont Care. The Trigger can be defined as the beginning or

34、end of the specified pattern. Signal or Pattern Width: Trigger on width between two limits selectable from 2.5 ns to 20 s. Will typically trigger on glitches 1 ns wide. Signal or Pattern Interval: Trigger on interval between two limits selectable from 10 ns to 20 s. Dropout: Trigger if the input sig

35、nal drops out for longer than a time-out from 25 ns to 20 s. State/Edge Qualified: Trigger on any source only if a given state (or transition) has occurred on another source. The delay between these events can be defined as a number of events on the trigger channel or as a time interval. TV: Allows

36、selection of both line (up to 1500) and field number (up to 8) for PAL (SECAM), NTSC or nonstandard video. Exclusion Trigger: Trigger on inter-mittent faults by specifying the normal width or period of a signal. The oscillo-scope will trigger only on aberrations which are shorter or longer than norm

37、al. Autosetup Pressing Autosetup sets timebase, trigger and sensitivity to display a wide range of repetitive signals, (Frequency above 50 Hz; Duty Cycle greater than 0.1%). Autosetup Time: Approximately 2 seconds. Vertical Find: Automatically sets sensitivity and offset for selected channel. Page 7

38、 of 11LeCroy LC334A Series Digital Oscilloscope 1/31/2007 Probes One PP005 probe is supplied per channel. DC to 500 MHz typical (350 MHz typical for LC334A) at probe tip, 500 V max. Probe calibration: Max 1 V into 1 Mohm, 500 mV into 50 ohm, frequency and amplitude programmable, pulse or square wave

39、 selectable, rise and falltime 1 ns typical. Alternatively, the calibrator output can provide a trigger output or a Pass/Fail test output. Maximum Sample Rate and Acquisition Memories Maximum Sample Rate Memory Per Channel Channel Use LC334A LC574A LC334A LC574A LC334AM LC574AM LC334AL LC574AL Activ

40、e Channels All Peak Detect OFF 500 MS/s 1 GS/s 100k 500k 2 M All Paired Peak Detect OFF 1 GS/s 2 GS/s 250k 1 M 4 M Ch 2 & Ch 3 Paired + Adapter Peak Detect OFF 2 GS/s 4 GS/s 500k 2 M 8 M One All Peak Detect ON 100 MS/s data + 400 MS/s peaks 50k data + 50k Peaks 250k data + 250k peaks 1 M data + 1 M

41、peaks All High performance signal conditioning devices preserve signal content. Cursor Measurements Relative Time: A pair of arrow cursors measure time differences and voltage differences relative to each other. Relative Voltage: A pair of line cursors measure voltage differences. Absolute Time: A c

42、ross-hair marker measures time relative to the trigger and voltage with respect to ground. Absolute Voltage: A reference bar measures voltage with respect to ground. Automated Measurements A wide range of pulse parameter measurements are available. These are categorized for ease of use. The categori

43、es include Pulse, Horizontal, and Vertical parameters. Basic statistical measurements (average, highest, lowest, and standard deviation), can be made on these parameter values in order to understand their distribution. Pass/Fail Testing and Waveform Limit testing using masks can be performed. Test c

44、onditions can be expressed as either waveform parameter limits, waveform shape limits (mask) or a combination of both. Any failure can cause preprogrammed actions such as Hardcopy, Save, GPIB service request, logic pulse out, audible beep, or any combination of the above. Page 8 of 11LeCroy LC334A S

45、eries Digital Oscilloscope 1/31/2007 Number of segments available Signal Analysis A comprehensive and easy-to-use set of diagnostic tools are available. Calculations are performed rapidly, and results can be presented on- screen or stored to disk. Rapid Processing System Microprocessor: 96 MHz Power

46、PC 603e. System RAM: 8 to 64 Mbytes. Video Memory: 1 Mbyte. Cache Memory: 32 kbyte. Persistence Data Map Memory: 16 bits per displayed pixel (64 k levels). Waveform Processing Up to four processing functions may be performed simultaneously. Standard functions available are: Add, Subtract, Multiply,

47、Divide, Negate, Identity, Summation Averaging and Sine x/x. The source information for a math function trace can be data from an acquisition channel or from another math function trace. This allows display of traces which daisy chain math functions. Average: Up to 106 averages are possible. Extrema:

48、 Roof, Floor, or Envelope values from 1 to 106 sweeps. ERES: Six low-pass digital filters provide up to 11-bit vertical resolution. Sampled data is always available, even when a trace is turned off. FFT: Spectrum Analysis with five windowing functions and FFT averaging. Statistical Diagnostics*: The

49、 Parameter Analysis package permits in- depth diagnostics on waveform parameters. Live histogramming of any waveform parameter measurement is possible and the histogram can be autoscaled to display the center and width of the distribution. Any of the above processes can be invoked without losing the data. *Histogramming and Trending are part of the Parameter Analysis Package. I