1、Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any other data that may improve this document should be sent to 642 CBSG/GBEC, 460 Richard Ray Blvd, Suite 200, Robins AFB, GA 31098-1813. Since contact information can change, you may want to verify the currency of
2、 this address information using the ASSIST Online database at https:/assist.daps.dla.mil/online/ . FSC 6625 A-A-59778A 12 March 2010 SUPERSEDING A-A-59778 14 September 2005 COMMERCIAL ITEM DESCRIPTION SIGNAL GENERATOR 10 MHz to 50 GHz The General Services Administration has authorized the use of thi
3、s commercial item description for all federal agencies. 1. SCOPE. This Commercial Item Description (CID) describes a 10 MHz to 50 GHz Signal Generator with AM, FM, pulse modulation (PM) and sweep capabilities. This CID is meant as a minimum requirement for the signal generator in which only those ma
4、nufactures that meet or surpass the following requirements are qualified per this CID. 2. SALIENT CHARACTERISTICS. The equipment shall be capable of operation and product sample testing, if so requested, within the accuracies, limits, and specifications herein. 2.1 Classification. Equipment covered
5、by this CID may be commercially available equipment modified to the extent necessary to meet the following description. The equipment shall be Class 3 in accordance with MIL-PRF-28800, except as specified herein. 2.2 Safety and Environmental. The equipment shall meet all safety and environmental req
6、uirements as specified in MIL-PRF-28800 for the classification as stated herein. 2.2.1 Temperature Operating. The equipment shall conform to its specified performance and accuracy while being operated as a volt meter in a temperature range of 0 C to 50 C. 2.2.2 Temperature Non-Operating. The equipme
7、nt shall conform to its specified performance and accuracy after being stored in an environment in the temperature range of -40 C to 70 C. 2.3 Electrical Power Sources. The equipment shall operate from nominal single-phase commercial, military, and shipboard power sources of 110 and 220 volts AC (10
8、%) at line frequencies of 48 Hz to 63 Hz. Transient state conditions shall meet MIL-PRF-28800 requirements for the classification specified herein. 2.4 Reliability. The design of the equipment shall be such that under normal use and operation the equipment does not fail within 4,000 hours of operati
9、on with a statistical certainty of 95%. INCH-POUND INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59778A 2 2.5 Calibration and Maintenance Adjustments. The design of the system shall provide for readily accessible calibration and main
10、tenance adjustments. These adjustments shall be provided by variable value components, which are adjustable, by the use of simple means. The calibration by substitution of selected components or parts is unacceptable unless specifically approved. The calibration adjustments, wherever possible, shall
11、 be accessible without removal of the instrument case or modules. The calibration interval shall be a period of one year or greater, based on an operating time of 2000 hours per year. 2.6 Performance Requirements. The instrument shall meet all requirements specified herein, after the warm-up period
12、specified in MIL-PRF-28800, under all combinations of input power conditions, output signal conditions, and operating service condition as specified in MIL-PRF-28800. 2.6.1 Frequency Range. The signal generator shall have a frequency range of 10 MHz to 50 GHz 2.6.1.1 Resolution. The generator shall
13、have a frequency resolution of 0.1 Hz. 2.6.1.2 Accuracy. The generators internal oscillator shall have an accuracy of 1 x 10 -7 or better. 2.6.1.3 Aging Rate. The accuracy of the generator shall be 5 x 10 -10 /day or 1 x 10 -7 /year or better. 2.6.2 Spectral Purity. 2.6.2.1 Harmonics. The harmonics
14、shall be as follows: 2 GHz to 20 GHz -55 dBc 20 GHz to 50 GHz -40 dBc 2.6.2.2 Sub-Harmonics. The sub-harmonics shall be as follows: 10 GHz to 20 GHz: 20 GHz: 250 MHz to 1 GHZ: -40 dBc 1 to 2 GHZ: -40 dBc 2 to 3.2 GHz: -60 dBc 3.2 to 10 GHz: -60 dBc 10 MHz to 250 MHz to 500MHz: -102 dBc/Hz 500 MHz to
15、 1 GHz: -102 dBc/Hz 1 to 2 GHz: -102 dBc/Hz 2 to 3.2 GHz -108 dBc/Hz 3.2 GHz to 10 GHz: -107 dBc/Hz 10 GHz to 20 GHz: -102 dBc/Hz 20 GHz to 50 GHz: -92 dBc/Hz 2.6.3 RF Output. 2.6.4 Output Range. The minimum output level range into 50 ohm nominal shall be as follows: 10 MHz to 40 GHz: 1.8dB 2.6.4.3
16、Output Flatness. The output flatness shall at least meet the following: 40 GHz: 0.9dB 40 GHz: 1.5dB 2.6.5 Amplitude Modulation (AM). 2.6.5.1 AM Depth. The generators AM depth shall be at least 0 to 90%. 2.6.5.2 AM Accuracy. At a 1 kHz rate and 50% depth, the linear accuracy shall be 6% or better. 2.
17、6.5.3 AM Bandwidth. At 50% depth with pulse off, the 3dB point shall be 50 kHz or better. 2.6.6 Frequency Modulation (FM). 2.6.6.1 FM Rates. In locked mode the minimum rates shall be from 100 kHz to 8 MHz. In unlocked mode the minimum rates shall be from dc to 8 MHz. For both cases that is with 3dB
18、bandwidth and 500 kHz deviation. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59778A 4 2.6.6.2 FM Deviation (Locked/Unlocked). The generator shall have a maximum deviation as listed in the table below. Frequency Maximum Deviation 250 kHz to 25
19、0 MHz 2 MHz 250 MHz to 500 MHz 1 MHz 500 MHz to 1 GHz 2 MHz 1 GHz to 2 GHz 4 MHz 2 to 3.2 GHz 8 MHz 3.2 to 10 GHz 16 MHz 10 to 20 GHz 32 MHz 20 to 40 GHz 64 MHz 40 to 50 GHz 128 MHz 2.6.6.3 FM Sensitivity. The generator shall have a sensitivity of 1 Vpeak of the indicated deviation. 2.6.6.4 FM Accur
20、acy. The generator shall have an accuracy within 10% (at a 1 kHz rate). 2.6.7 Pulse Modulation (PM). 2.6.7.1 PM Range. External PM shall be applicable for output frequencies of 400 MHz. 2.6.7.2 On/Off Ratio. The generator shall have an on/off ration of 80 dB. 2.6.7.3 Rise/Fall Time. The generator sh
21、all have a rise/fall time of 25 nanoseconds or less. 2.6.7.4 Pulse Width. The generator shall have an internally leveled pulse width of 1 microsecond or better for frequencies 2 GHz. For frequencies 2 GHz the minimum leveled pulse width shall be 100 nanoseconds or better. 2.6.7.5 Pulse Accuracy. The
22、 pulse accuracy shall be 0.5 dB for pulse widths of 1 microsecond. 2.6.8 Sweep Mode. 2.6.8.1 Modes. The generator shall have analog frequency sweep capability. 2.6.8.2 Sweep Time. The generator shall have a minimum sweep time of 45 milliseconds or less. 2.6.8.3 Switching Time. The generator shall sw
23、itch frequencies in 60 milliseconds or less. 2.6.9 Remote interface. The generator shall come with an IEEE 488.2 standard interface. 2.6.10 Dimensions. The width and depth of the equipment shall be compatible with mounting in an ANSI/EIA-310-D standard equipment rack. One unit or “U“ is defined by A
24、NSI/EIA-310-D to be 1.75 inches or 44.45 mm. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59778A 5 2.6.11 Weight. The total weight of the equipment, excluding accessories and manuals, shall not exceed a two-person lift of 74 pounds, (33.6 kilo
25、grams). 2.6.12 Rack Mount. The analyzer shall be capable of being rack-mounted in a standard ANSI/EIA-310-D equipment rack. 2.7 Manuals. The equipment shall be delivered with operator, maintenance/service, illustrated parts, and calibration manuals. Format and quantity shall be as specified in the c
26、ontract or order. Level of maintenance philosophy, as defined in MIL-PRF-28800, shall be as specified in the contract or order. If evidence substantiating that the Mean Time Between Failures (MTBF) of the instrument exceeds 20,000 hours is submitted, the maintenance/service manual shall not be requi
27、red. 3. REGULATORY REQUIREMENTS. 3.1 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable materials should be used to the maximum extent possible provided that the material meets or exceeds the operational and maintenance requirements, and
28、promotes economically advantageous life cycle costs. The offeror/contractor is encouraged to use recovered materials to the maximum extent practicable, in accordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR). 3.2 Green Procurement Program. Green Procurement Program (GPP) is a
29、 mandatory federal acquisition program that focuses on the purchase and use of environmentally preferable products and services. GPP requirements apply to all acquisitions using appropriated funds, including services and new requirements. FAR 23.404(b) applies and states the GPP requires 100% of EPA
30、 designated product purchase that are included in the Comprehensive Procurement Guidelines list that contains recovered materials, unless the item cannot be acquired: a) competitively within a reasonable timeframe; b) meet appropriate performance standards, or c) at a reasonable price. The prime con
31、tractor is responsible for ensuring that all subcontractors comply with this requirement. 4. PRODUCT CONFORMANCE PROVISIONS 4.1 The products provided shall meet the salient characteristics of this CID, conform to the producers own drawings, specifications, standards and quality assurance practices,
32、and be the same product offered for sale in the commercial market. The government reserves the right to require proof of such conformance. 5. PACKAGING. 5.1 Preservation, Packing, and Marking. Preservation, packing, and marking shall be as specified in the contract or order. Provided by IHSNot for R
33、esaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59778A 6 6. NOTES. 6.1 Metric Products. Products manufactured to metric dimensions will be considered on an equal basis with those manufactured using inch-pound units, provided they fall within the specified tolerances usi
34、ng conversion tables contained in the latest revision of Federal Standard No. 376, and all other requirements of this CID are met. If a product manufactured to metric dimensions exceeds the tolerances specified in the inch/pound units, a request should be made to the contracting officer to determine
35、 if the product is acceptable. The contracting officer has the option of accepting or rejecting the product. 6.2 Sources of documents. 6.2.1 Military Specifications, Standards, and Handbooks referenced herein may be obtained at https:/assist.daps.dla.mil/online/ . or available from the Standardizati
36、on Documents Order Desk, 700 Robbins Ave, Bldg 4, Section D, Philadelphia, PA 19111-5094. 6.2.2 The Code of Federal Regulations (CFR) may be obtained at http:/www.gpoaccess.gov/cfr/index.html or available from the Superintendent of Documents, U.S. Government Printing Office, Washington, DC, 20402. 6
37、.2.3 Institute of Electrical and Electronics Engineers (IEEE) standards products may be obtained at http:/www.ieee.org or available from IEEE Operations Center. Phone: (800)678-IEEE. Mail: IEEE Operations Center, Sales Office, 445 Hoes Lane, PO Box 1331, Piscataway, NJ, 08855-1331, USA. 6.2.4 ANSI/E
38、IA standards may be obtained at http:/www.ansi.org or http:/www.eia.org or available from the Electronics Industry Association, Engineering Department, 2001 Pennsylvania Ave., N.W., Washington, D.C., 20006. Phone: 1-800-854-7179 (USA and Canada). 6.2.5 FAR and DFARS may be obtained from the Superint
39、endent of Documents, P.O. Box 371954, Pittsburgh, PA 15250-7954. Electronic copies of the FAR may be obtained from https:/www.acquisition.gov/far/ . Electronic copies of the DFARS may be obtained from http:/www.acq.osd.mil/dpap/dars/dfars/index.htm . 6.3 Key Words Class 3 Pulse modulation Sweep capa
40、bilities Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59778A 7 MILITARY INTEREST Custodian: Preparing Activity: Air Force - 84 Air Force - 84 Agent: Air Force - 99 (Project 6625-2010-009) Note: The activities listed above were interested in th
41、is document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at https:/assist.daps.dla.mil/online/ . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
