AIR FORCE A-A-59140-1997 TEST SET RADIO FREQUENCY POWER (POWER METER DIGITAL) (50 MHZ TO 26.5 GHZ)《射频功率测试集(功率计 数字)(50兆赫至26.5吉赫)》.pdf
《AIR FORCE A-A-59140-1997 TEST SET RADIO FREQUENCY POWER (POWER METER DIGITAL) (50 MHZ TO 26.5 GHZ)《射频功率测试集(功率计 数字)(50兆赫至26.5吉赫)》.pdf》由会员分享,可在线阅读,更多相关《AIR FORCE A-A-59140-1997 TEST SET RADIO FREQUENCY POWER (POWER METER DIGITAL) (50 MHZ TO 26.5 GHZ)《射频功率测试集(功率计 数字)(50兆赫至26.5吉赫)》.pdf(4页珍藏版)》请在麦多课文档分享上搜索。
1、NCH-POUND A-A-59140 24 November 1997 COMMERCIAL ITEM DESCRIPTION TEST SET, RADIO FREQUENCY POWER (POWER METER, DIGITAL) (50 MHz to 26.5 GHz) The General Sewices Administrati on has authorized the use of this Commercial Item Description for ali federal agencies. 1. SCOPE. This Commercial Item Descrip
2、tion (CID) descrik a digitai, single chamei, power meter with sensors, used for measuring continuous wave (CW) microwave and radio frequency (RF) power over selected fresuencies. This CID is meant as a miniriium requirement for the power meter in which only those manufacturers that meet or surpass t
3、he following requirements are qualined per this CID. 2. SALIENT CHARACTERISTICS. 2.1. Equipment mered by this CID shall be portable commercial-off-the-shelf (COTS) equipment and may be modified to the extent necessary to meet the foliowing description. The equipment sha be Class 3, in accordance wit
4、h MIL-PRF-28800. 2.2. Safetv and Environmentai. The equipment shall meet all safesr and environmentai reqyirements as speclfied in MIL-PRF-28800. 2.3. Electrid Power Sources. The equipment shall operate from nominal commerciai, miiitary, and shipboard power sources of 110/120 VAC (I10 %) at line fre
5、suencies of 50 Hz to 60 Hz and 380 to 420 Hz and 220/240 VAC (I10 %) at line frequencies of 50 Hz to 60 Hz. Power consumption shall not exceed 70 VA, 40 watts. Transient state conditions shaU meet MIL-PRF-28800. 2.4. TemDeratureRequire ments. 2.4.1. ODera ting Temoera ture. The equipment shall meet
6、its performance and accuracy requirements in an operating envkmment of OC to +5OoC. 2.4.2. Non-operating Temperature. The equipment shall meet its performance and accuracy requirements after being in a nonqeraiing (storage) environment of -1OOC to +60C. I Beneficial comments, recommendations, additi
7、ons, deletions, clanncatons, etc. and any other data which may I improve this document should be sent to: Technology distriiution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- A-A-59 140 - 9999974 OLbLL75 04T 2.5. Mean Time Between F
8、ailures (hiTBFz . The equipment MTBF sha be 2000 hours. The lower test MIBF shall be 2000 hm and the upper test MTBF shall be 4000 hours. 2.6. Preanitionirg requirement. Each deliverable equipment shal be capable of being subjected to the environmental screening effects of bum in and thermai cycling
9、 with thed cycling being accomplished in the sample testing phase. 2.7. Caration and Maintmance Ad- . The design of the system shall provide for reaw accessible calibration and maintenance adjustments. Ad.ts shall be provided by variable value components which are adjustable by the use of simple mea
10、ns. Cairation by subsitution of selected components or parts is unacceptable unless specifically approved. The caliiration adwents shall be accessiile without removai of the inmument case or modules wherever possible. The calkation interval shall be a period of one year or greater based on an operat
11、ing time of 2000 hours. 2.8. Performance Characteriscs. 2.8.1. Freauencv Range. The minimum hquency range of the power meter with sensors shall be 50.0 MHz to 26.5 GHz. 2.8.2. Power Range. The minimum power range of the meter shall be -60 dBm to +20 dBm. 2.8.3. Front Panel Controls. controls for the
12、 power meter shall be on the front-panel. 2.8.3.1. The power meter shall have the seldon of either linear (mw) or logarithmic (dE3m) modes for the display of the power measurements. 2.8.4. Display. The power meter shall have a display with a minimum of 4 digits for ail functions and data. 2.8.4.1. T
13、he display shall also have indicators for measurement mode, display units (watts, dBm, B), calibration fixtor, error conditions, and offset value. 2.8.5. Power Meter Accuraq. 2.8.5.1. The accuracy shall be +M.O2 dB fidl scale in logarithmic mode and +/-0.5% in hear mode. 2.8.6. Power Merence Caliira
14、tor. The power reference source shall be an internal 50 MHz oscillator at 1.00 mW with a Type N connector on the front panel. The power refwn shall be factory set to +/-0.7% traceable to the US Nationai Instit& of StandaTds and Technology. 2.8.6.1. Power Reference Accuracv . The power reference acca
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
2000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- AIRFORCEAA591401997TESTSETRADIOFREQUENCYPOWERPOWERMETERDIGITAL50MHZTO265GHZ 射频 功率 测试 数字 50 兆赫 265 吉赫

链接地址:http://www.mydoc123.com/p-427046.html