1、MIL-S-49166/4(ER) 8 April 1982 _I Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Hq, USA Electronics Research and Development Command, ATTN: DRDEL-E, 2800 Powder Hill Road, Adelphi, MD 20783, b
2、y using the self-addressed Standard- ization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. MILITARY SPECIFICATION SHEET SCANNER, MECHANICAL MX-9872(V)4/UA L This specification- sheet is approved for use by USAERADCOM, Department of the Army, and is
3、available for use by all Departments and Agencies of the Department of Defense, The complete requirements for procuring the MX-9872(V)4/UA Scanner shall consist of this document and MIL-S-49166. 1. SCOPE 1.1 Scope. This specification sheet covers the Mechanical Scanner, MX-9872(V)4/UA and augments M
4、IL-S-49166. Chaparral FLIR Subsystem, Part Number 13153184. The MX-9872(V)4/UA is used on the 1.2 Purpose. The purpose of this specification sheet is to modify or expand the contents of MIL-S-49166 to describe the Scanner Assembly. All the MIL-S-49166 contents apply except as specifically modified h
5、erein. Paragraph numbers directly correlate between MIL-S-49166 and this specification sheet. 2. APPLICABLE DOCUMENTS 2.1 Order of precedence. In the event of a conflict between the text of this specification sheet and the references cited herein, the text of this specification sheet shall take prec
6、edence. SPECIFICATIONS MILITARY MIL-S-49166 Scanner, Mechanical, MX-g872(V)/UA, General Specification for DRAWINGS 18876 13 144390 Scanner As c emb 1 y 80063 DLSM-B-7 7 3232 Scan-Interlace, PL-l408/UA 3. REQUIREMENTS 3.1 Description. The MX-9872(V)4/UA Scanner, herein known as the Scanner, shall con
7、sist of the MIL-S-49166, MX-9872(V)/UA Scanner adjusted for 60 Hz operation, THE DOCUMENT CONTAINS .#L PAGES. Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3*2 Construction. The
8、 PIX-9872(V)4/UA shall be constructed in Laccordance with drawing 18876-13144390. 3i2.1 Weight. Weight of the Scanner shall be 1.55 pounds maximum. 3.6 Performance characteristics, The characteristics specified herein shall Operation apply as defined in 3.1 and 3.6.1 except 4.6.8, 4*7.4, and 4.7.5 a
9、pplies with the phase shift lens, counterweight and associated hardware removed. shall be at 60 Hz using the Scan-Interlace, PL-l408/UA (DLSM-B-773232). 3.6.1 Scan angle and frequency. 3.6.1.1 Variable scan-frequency. Not applicahie. 3.6.1.2 Specific scan frequency (60 Hz). shall be adjusted to 60.0
10、, +0.5 Hz, greater than +6.0 Hz. from the frequency at ambient setting (see MIL-S-49166, 4.4) when exposed to high and low- temperature environmental cond?t%ons (see MIL-S-49166). Scan frequency of -the Scanner Scan frequency drii3,shal.l not be 3.6.1.3 Synchronous scan frequency. The scanner shall
11、synchronize with a stable external synchronization soucce,.such as the TV camera-vertical sync pulse. frequency. Scan frequency shall be stshle within 1 Hz of the input sync pulse 3.6.1.4 Scan angle. 3.6.2 Interlace. The scanner shall operate in a 2:1 interlace made. The interlace switching time.sho
12、wn in figure 1 of MEC-S-49166 shall not be greater than 2.5 milliseconds (ms 1. The scan angle shall be 12.2, - +0.5 degrees. 3.6-3 Scan direction. The Scanner shall show the waveform shapes and phase relationships in figure 1 while operaing in the 2:l rear interlace mode. 3.6.4 Power consumption. P
13、ower required to operate the Scanner shall not exceed 7.5 watts. 3.6.5 Scan efficiency. The Scanner scan efficiency shall be a minimum of 70 percent. 3.6.6 Scan jitter in azimuth. Jitter time shall be 12.5 microseconds maximum. 4. QUALITY ASSURANCE PROVISIONS 4.6 Test methods. Tests shall be perform
14、ed utilizing theDLSM-B-773232 Scan-Interlace with the Scanner-with a scan angle of 12.2, - +0.5 degrees at the 60.0, - +0.5 Hz scan rate. 4.6.1 Scan frequency. 4.6.1.1 Variable scan frequency. Not applicable. Copyright Communications - Electronics Command Provided by IHS under license with CRAINot f
15、or ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-ll716b/ll 58 m 7999706 0260325 T O fi CS-% MIL-S-49166/4(ER) 4.6.1.2 Specific scan frequency (60 Hz). The Scanner shall be connected to the Scan-Interlace, DLSM-B-773232, and mounted to a suitable fixture. Power shal
16、l be applied and the output of the azimuth (scan) transducer (Scan-Interlace DLSM-B-773232) shall be monitored with a calibrated frequency counter. The output of the Scan-Interlace (DLSM-B-773232) shall be adjusted to obtain the specific scan frequency. Failure to meet the requirements of 3.6.1.2 sh
17、all constitute failure of this test. 4.6.1.3 Synchronous scan frequency. The Scanner shall be connected to Scan-Interlace DLSM-B-773232 and mounted in a suitable fixture. Synchronization from an external stable source (such as a TV camera vertical sync pulse) and power shall be applied and the outpu
18、t of the azimuth (scan) transducer (Scan-Interlace DLSM-B-773232) shall be monitored with a calibrated frequency counter. Failure to meet the requirements of 3.6.1.3 shall constitute failure of this test. 4.6.1.4 Scan angle. See MIL-S-49166. 4.6.2 Interlace. See MIL-S-49166. 4.6.3 Scan direction. Wi
19、th the Scanner operating, the outputs of the azimuth and interlace position transducers (Scan-Interlace DLSM-B-773232) shall be observed with an oscilloscope. relationships shown in figure 1. shall constitute failure of this test. The output waveforms shall show the shape and phase Failure to meet t
20、he requirements of 3.6.3 4.6.4 Power consumption. See MIL-S-49166. 4.6.5 Scan efficiency. See MIL-S-49166. 4.6.6 Scan jitter in azimuth. See MIL-S-49166. 6. NOTES 6.1 Intended use. The Scanner is intended for use with the Chaparral FLIR Subsystem. CUSTODIAN Army - ER PREPARING ACTIVITY Army - ER Pro
21、ject 5855-A249 .- : . :-.i Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-24 REAR POSITION INTERLACE LEADS SCAN APPROX. 90 I NOTES : PL-I408/UA- CONNECT PI-33 TO PI-34 AND PI-4 T
22、O PI-I7 OSCILLOSCOPE- CONNECT CHANNEL I (SCAN POSITION) HIGH INPUT TO J3(OR J2-7) AND LOW SCOPE TO GND - COIUNECT CHANNEL 2 (SCAN INTERLACE) HIGH INPUT TO J6 (OR JI-9)AND LOW SCOPE TO GND FIGURE I. INTERLACE TRANSDUCER AND AZIMUTH PQSITIQN TRANSDUCER OUTPUTS. 4 . 4 U.S.GOVERNMENT PRINTING OFFICE: 192-503-022/3489 2-1 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
