AIR FORCE A-A-59277-1998 OSCILLOSCOPE (DIGITAL STORAGE 400 MHZ)《示波器(数字存储 400兆赫)》.pdf

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1、= 901805Li 0003973 82b 1. SCOPE. INCH-POUND A-A-59 2 77 June 30,1998 COMMERCIAL ITEM DESCRIPTION OSCILLOSCOPE (Digital Storage, 400 ME) The General SeMces Ahinismtion has authorized the use of this Commercial Item Description for ail federal agencies. This Commercial Item Description (CID) outlines

2、the minimum requirements for a twochannel, 400 MHz digital storage oscilioscope. The digaai storage oscilloscope provided shail be commercially-available test equipment capable of being portable or modined with a rackmount kit to be included in a rackmount assembly. Only those proucts that meet or e

3、xceed the requksnents outlined in the CID are acceptable. 2. SALIENT CHARACTERISTICS. 2.1. Class 3 euuiDment. Unless otherwise specified, the oscilloscope mered by this CID is categorized as Class 3 test equipment in accordance with the latest version of MIL-PRF-288OOF. 2.2. Safetv and environmental

4、. The equipment shall meet all safety and environmental requirements as specifed in MIL-PRF-28800F when used as bench-top or rackmount equipment. 2.3. Electrical wwer sources. The equipment power consumption of ail components combined shall not exceed 400 Volt amps and the oscilloscope shall operate

5、 from nominal commercial military, and shipboard power souces over the following ranges: at 110/120 Volts nns (* 5 percent), single phase at fequennCies of 50, 60, and 400 Hertz (Hz) and 200/240 Volts rms (i 5 percent) single phase at line frequentes of 50 and 60 Hz. The oscilloscope shall operate i

6、n accordance with the steady state conditions, transient state conditions, and interruption of power source requirements outlined in MIL-PRF-28800F. 2.4. Accessories. Accessories to be supplied with each deliverable oscilloscope shall include standard accessories as provided by the manufacturer and

7、listed in the manufacturers catalog or data sheet, a written tutorial/user reference manual, a written programmer reference manual, and a traceable caiiiration certificate. 2.4.1. Cover. The oscilloscope enclosure shall have a cover protecting the front panel controls and display in accordance with

8、MIL-PRF-28800F. Beneficial comments, recommendations, additions, deletions, clarifications, etc., and any data which may improve this document should be sent to: San Antonio Air Logistics Center, SA-ALCITILDD, Building 171, Post A-16,485 Quenin Roosevelt Rd., Kelly AFB, Tx 78241-6425 by using the en

9、closed Form DD 1426, Stanardization Document Improvement Proposai, appearing at the end of this dkent. AMSC N/A FSC 6625 Licensed by Information Handling Servicesm 9018054 0002974 762 A-A-59277 1 Ir 2.4.2. Probes. The active or passive probes provided for both channels will permit an input signal at

10、tenuation of 1 and 10 wer the fui1 400 MHz bandwidth and vertical accuracy. The probe attenuation shall be automatidiy recognized and the scale factor of the oscilloscope adjusted appropriately. 2.5. Interface. The oscilloscope shail be capable of interfacing with industry standard data interchange

11、formats for files, formats, storage, communications, plotting and printing. 2.5.1. ANSI/LEE-STD-488 Interface Reuuirements. The oscilloscopes digitai interface shall control each device function including all muges, modes, and levels except for primary power control and other non- measurement fimcio

12、m as required by MIL.-PRF-28800F, paragraph 3.4.1. 2.5.2. Outuut Ports. The oscilloscope shall have RS-232 interfice that complies with EWTIA 574 talk, talk only, and talk/listen commands and Centronics interfice complying with C332-44, Feb. 1977, Rev. A, for printer andor plotter outputs. 2.5.3. Pr

13、inter Interface. The oscilloscope shail have the minimum capability of interfacing with Laser and Epson or similar style printers. 2.5.4. File Formats. The oscilloscope shall have, at the least, capability of providing, storing, and transfemng data in TIFF and BMP image formats. 2.5.5. Data Format.

14、The oscilloscope shall have the ability to process data with MathCADm or similar software. 2.6. Rackmount ODtion. Lf specified in the contract or order, the oscilloscope shall be delivered with an attachable rackmount kit which includes the necessary accessories and hardware to interconnect all fron

15、t and rear panel input and output ports and include any fller panels to provide the prefmed height and width if required. Conversion to a rack-mounted configuration shall be accomplished by use of a kit that converts the enclosure, but will not prevent retuni to the original configuration. 2.7. Dime

16、nsions and Weiht. The oscilloscope dimensions shail permit the osciiloscopes inclusion in a standard 19-inch wide rack enclosure with a standard height of less than 6 rack units. The oscilloscopes weight, including the front cover and all accessories (excluding Written manuals) shall not exceed 48 p

17、ounds. 2.8. Prmnditionin Reuuirement. Each deliverable oscilloscope shall be capable of wi-g the environ- mental screening effects of bum-in and thermal cycling, with herma cycling being accomplished in to 75 percent (* 5 percent) relative humidity at 30 to 40 degrees C.; and 45 percent (I 5 percent

18、) relative humidity above 40 degrees C. 2.16. Shock Functional. The oscilloscope shall meet its performance and accuracy requirements in an operang environment , The oscilloscope shall provide triggering on pulse edges with the minimum characteristics described herein. 3.1 1.9.1. Glitch Triggering.

19、The oscilloscope shall trigger or reject signals on the rising or failing edges of pulses with widths at least over the range of 5 nanoseconds to 1 second. 3.11.9.2. Glitch Triggering Time Accuracv. The oscilloscope shaii have a minimum time accuracy for puise width triggering for a time range of 5

20、nanoseconds to 1 microsecond, of f (20 percent of setting + 1.5 nanoseconds) and for a time range greater than 1 microsecond and less than or equal to 1 second; accuracy shall be f .5 percent. 3.11.9.3. Puise Width Trigperinn. The oscilloscope shall trigger on a positive or negative pulse within or

21、not within the selectable time limits of at least 2.5 nanoseconds to 1 second. 3.1 1.9.3.1. Time Accuracv For Pulse Width Trigperinn. The oscilloscope shail have a minimum time accuracy for pulse width triggering for a time range of 2.5 nanoseconds to 1 microsecond, of f (20 percent of setting + 1.5

22、 nanoseconds), and for a time range greater than 1 microsecond; accuracy shall be I .5 percent measured at 50 percent. 3.11.10. Time-out Trimerinp. The oscilloscope shall trigger when a puise fails to complete a transition 6nim a high to low state and return to the original state within the time ran

23、ge of at least 2.5 nanoseconds to 20 seconds. 3.11.1 1. Video Triaerinp. The oscilloscope shail provide video triggering in PAL, NTSC, SECAM, and non- standard video formats in monochrome or color. 3.1 1.1 1.1. Video Trigger Selection. The oscilloscope shall trigger on the TV input signal referend t

24、o line or field numberorboth. 3.1 1,11.2. Video Trigger Sensitivitv. The oscilloscope shall trigger on .8 divisions or less of composite SYNC signal. 3.1 1.1 1.3. Video Svnchronization. The oscilloscope shall trigger at least on falling horizontal synchronization SignaiS. 3.11.12. Non-Sandard Video

25、Trierh. The oscilloscope shail provide a triggering capability for non-standard video by providing the ability of defining repetition rate, number of lines, numkr of fields, and vertid synchtonous timing to initiate a trigger action. 3.1 1.13. Enhanced Video Resolution. The oscilloscope shall be abl

26、e to -lay and analyze at least 1,500 lines per inch of video signals. 8 Licensed by Information Handling Services m 9016054 0001981 9T2 m A-A-59277 3.1 1.13.1. Mamiflcation. The oscilloscope shall provide a horizontal magnifcation adjustable over a minimum range of 1 to 1000. The oscilloscope shall

27、position waveforms both vertically and horizontally and read out on screen of the vertical and horizontal scaling factors. 3.12. Measurement Svstem Features. The oscilloscope shall provide the following measurement capabilities: 3.12.1. Automated Measurements. The oscilloscope shall provide automate

28、d measurements defined by IEEE- STD-181-1977. The oscilloscope measure function will automatically extract parameters from any signal input to the scope. Four or more of the parameters can be displayed on screen and made available for transfer over the IEEE-488 interce bus. The parameters measured s

29、hall include, but are not limited to: period, freqnency, width, rise time, fall time, duty cycle, delay, positive ovoo., negative overshoot, maxbmm, minimum, peak- to-peak, amplitude, root mean square (rms), propagation delay, burst, mean and duration. 3.12.2. Automated Measurement Accuracv Voltage.

30、 The scope shall have a minimum accuracy off 2% for voltage related measurements, for single and dual point measurements with the signal at 50% or higher of full scale. 3.1 2.3. Automated Measurement Accuracv Time. The oscilloscope shall have minimum accuracy of f 1 percent time-relate measurements

31、for single and dual point measurements. 3.12.4. Cursor Measurements. The oscilloscope shall have the capability to make single and dual cursor measurements along both the veriical and horizontal axis with and without racking. Cursors shail be provided for making vertical and horizontal measurements

32、on the displayed waveforms. The mors shall have the ability to measure absolute and delta voltage between the positions of the horizontal bar cursors and absolute and delta time in seconds or Hz for Mme between the positions of the verrical bar cursors. The time and voltage related values represente

33、d by cursor positions shall be displayea on screen and available for transfer ova the EEE-488 interface. 3.12.4.1. Cursor Measurement Accuracv Voltage. The oscilloscope shall have a minimum accuracy of f 2 percent of full scale for voltage related measurements when utilizing singie cursors and f 4.0

34、% when using dual cursoTs. 3.12.4.2. Cursor Measurement Accuracv Time. The oscilloscope shall have a minimum accuracy of I 1 percent of full scale for time related measurements when utilizing either single or dual cursors. 3.12.4.3. Cursor Readout. The oscilloscope shall provide a cursor readout sel

35、ectable by the user to display mor measurement in either voltage, time, or frequency or any combination of these measurements. Dual cursor measurements shall provide a readout of the relative positions of the cusos and the difference. 3.12.5. Math Functions. The oscilloscope shall provide math wavef

36、orm operations of addition, subtraction, inversion, and multiplication of any two waveforms in any combination from the current displayed waveforms or stored waveforms. 3.13. Displav, Controls. & Adiustments. This oscilloscope shall have the following display, controls & adjustments: 3.13.1. Displav

37、. A display or visuai device capable of displaying both waveforms in normal ambient room light in sufcien detail for direct measurements on screen without automated measurements or cursors. The minimum viewing area of the display shall be at least 10 centimeters (cm) horizontally and 8 cm verticaily

38、. 9 Licensed by Information Handling Servicesm 90L8054 0001982 839 m A-A-5 9277 3.13.2. Disukv Stvle. The oscilloscope shall provide waveform displays in sin (x)/x, linear, dots, variable persistence, and infnite persistence styles. 3.13.3. Trace Convergence. The oscilloscope shall have the capabili

39、ty to discriminate and display where multiple wav&orms converge. 3.14. Disulav Intensity. The oscilloscope shall provide the capability to control overall intensity, text/graticule intensity, and Waveform intensity. 3.15. Dimlav Persistence. The oscilloscope shail provide both infnite and variable p

40、ersistence. The variable persistence range shall be wer the range of 500 ms to 10 seconds with at least 50 ms resolution. 3.16. Disulm Grav Scaiin. The oscilloscope shall provide the ability to accomplish gray scaling of at least 16 discernable intensity levels. 3.17. Dhlm Graticule Size and Markinm

41、. The oscilloscope performance shall be over a minimum 8 X 10 division graticule in the waveform display area. The cardinal axes shall be ruled in 0.2 minor divisions. 3.18. DisPlav Graticule Tvpes. The oscilloscope shall provide the capability of selecting full screen, single window, duai window, X

42、Y display, grid, or crosshair displays. 3.18.1. Waveform Disulav Area. The oscilloscope waveform display area shall have at least 640 horizontal points by at least 480 vertical points. 3.18.2. Screen Data Disulaved. Horizontal and vertical scaling factors for each channel, main and delayed time base

43、s, trigger sources, trigger level, trigger type, sample rate, mode, at least four measurements, and a representation of memory length with trigger pint indicated. 3.19. Format. The oscilloscope shall have both YT and XY axis formats. 3.20. “Fit to“ and “Fill“ The Screen. The oscilloscope shall have

44、the ability to display the entire memory acquisition on the screen. 3.2 1. X-Y ueration. The oscilloscope shall provide X-Y operation. 3.2 1. I. X-Axis and Imuedance Range. The scope shall have an X-axis defieaion factor, variable range, and accuracy as well as an input impedance range defined for c

45、hannels 1 and 2. 3.21.2. X and Y Phase Difference. The oscilloscope phase merence betweenX and Y shall be less than lo fiomDC to 1 MHz and less than2Ofiom 1 MHz to 2 MHz. 3.22. WavefdSetuD Storape. The oscilloscope shall provide internal waveform storage to store waveforms, refmnce waveforms, front

46、panel setups, and calibration data. 3.22.1. Waveform and Set-& Storage. The oscilloscope shall provide internai memory to store a minimum of four waveforms at maximum memory storage and sufcient internal memory to store four front panel set-ups. 3.23. Back UP Batterv. The oscilloscope shall have a r

47、echargeable back up battery with an intaml memory of at least two years. The equipment shall have the capability to store front panel settings and to retain this data 10 Licensed by Information Handling Services= 9038054 0003983 775 D A-A-59277 for a minimum of two years. if the equipment uses a Nic

48、kel-Cadimum (Ni-Cad) battery, there shall be means by which the operator and/or internal circuitry can deep discharge the batteIy to prevent “memory &m.“ 3.24. Memorv Data Transfer. The oscilloscope shall provide the capability to save any waveform or setup &ta to any applicable reference memory loc

49、ation, to transfer setup information and/or waveforms into a reference memov location via the GPIB interface, and to transfer setup and waveform data from the floppy disk drive. 3.25. Mass Storage. The oscilloscope shall provide mass storage providing additional storage of reference waveforms, setups, data files and image les. The oscilloscope may have a floppy disk in a 3.5 inch size, 1.4 Megabytes storage, and in a DOS format. 3.26. Alternate Mass StoraEe Devices. The oscilloscope may use a PCMCIA /MII fash memory card or other storage device with 1.4