1、MIL-PRF-49040F 9999906 2086643 864 INCH-POUND MIL-PRF-49040F 4 March 1999 SUPERSEDING MIL-I-49040E 28 May 1992 PERFORMANCE SPECIFICATION IMAGE INTENSIFIER ASSEMBLY 25 MILLIMETER, MICROCHANNEL INVERTER MX-9644/UV This specification is approved for use by U.S. Army Communications- Electronics Command,
2、 Departnent of the Army, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers the 25 Millimeter, Microchannel Inverter, Image Intensifier Assembly, MX-9644/UV. 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in
3、 this section are specified in sections 3 and 4 of this specification. This section does not include documents in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users ar
4、e cautioned that they must meet all specified requirements cited in sections 3 and 4 of this specification, whether or not they are listed. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: HQ, US
5、A Communications-Electronics Command, ATTN: AMSEL- LC-LEO-E-P, Fort Monmouth, NJ 07703-5023 by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC N/A FSC 5855 DISTRIBUTION STATEMENT A. Approved for public release; distribut
6、ion is unlimited. Licensed by Information Handling ServicesMIL-PRF-49040F 7O6 2086644 7T0 9 I MIL-PU-49040F 2.2 Government Documents. 2.2.1 Specifications, standards and handbooks. The following specifications, standards and handbooks form a part of this specification to the extent specified herein.
7、 Unless otherwise specified, the issues of these documents are those listed in the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation. Specifications MILITARY MIL-PRF-49471/4 - Battery, Rechargeable, High MIL-STD-4 61 - Requirements
8、 for the Control of Perf ormance , BA-X567 /U Electromagnetic Interference Emissions and Susceptibility (Unless otherwise indicated, copies of federal and military specifications, standards and handbooks are available from the Standardization Document Order Desk, 700 Robbins Ave, Bldg #4, Section D,
9、 Philadelphia, PA 19111-5094) . 2.2.2 Non-Government publications. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents which are DOD adopted are those listed in the issue of the DODISS cited in the solicitation.
10、 the issues of documents not listed in the DODISS are the issues of documents cited in the solicitation (see 6.2.e). Unless otherwise specified, American National Standards Institute ANSI C18.1 - Batteries and Dry Cells Specification, Specification Sheet 20-0571-1988 (Application for copies should b
11、e addressed to the American National Standards Institute, 11 West 42nd Street, New York, NY 10036.) 2.2.3 Reference documents, drawings and publications. The following other Government documents, drawings and publications form a part of this document to the extent specified herein. Unless otherwise
12、specified, the issues are those cited in the solicitation (see 6.2.e). DRAW IN GS USA CECOM SM-D-850311 - Tube Assembly, Image Intensifier, SM-D-850310 - Tube Assembly Image Intensifier SM-D-850290 - Power Supply, 25 Millimeter, Microchannel 25 MM Microchannel Inverter Invert er 2 Licensed by Inform
13、ation Handling ServicesMIL-PRF-49040F 9999906 2086645 637 MIL-PRF-49040F NOTE: When the Tube and Magnifier Assembly are to be purchased, reference drawing SM-D-771212-1. (Copies of specifications, standards, and drawings required by contractors in connection with specific procurement functions shoul
14、d be obtained from the procuring activity or as directed by the contracting officer). 2.2.4 Order of precedence. In the event of a conflict between the text of this document and the references cited herein, the text of this specification takes precedence. Nothing in this document, however, supersede
15、s applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Description. The Image Intensifier Assembly, 25 Millimeter, Microchannel Inverter MX-9644/UVf hereinafter designated as the assembly, shall consist of a single module containing a microchannel electr
16、on multiplier as the primary gain mechanism. The assembly shall employ an S20 photocathode with an extended red (ER) response, an aluminized phosphor screen and a power supply. The assembly shall be encapsulated and be provided with a hard surface insulating sleeve, or boot, and electrical contacts.
17、 3.2 Construction. The assembly shall be in accordance with SM-D-850311 and all provisions of this specification. 3.2.1 Weight. The assembly weight shall not exceed 350 grams. 3.3 First article testing (FAT). .When specified in the contract or purchase order (see 6.2.b), the contractor shall furnish
18、 units or FAT inspection and approval (see 4.2). 3.4 Materials: The contractor shall select the parts and materials that are fully capable of meeting all of the operational and environmental requirements specified herein. The materials specified in the applicable drawings are recommended, but not ma
19、ndatory. Selection criteria of the class, grade or type part shall ensure the material will be able to perform its intended function when it is assembled. Verification of the supplier meeting the overall performance requirements shall be the governing acceptance standard. Recovered materials shall b
20、e used to the maximum extent possible. 3.5 Major Components. Major components shall be as specified herein and as shown on applicable drawings. 3 Licensed by Information Handling ServicesMIL-PRF-470YOF 7Ob 2086646 573 W MIL-PRF-49040F 3.5.1 Power supply. The power supply shall be as specified herein
21、. Unless otherwise specified, all parts, materials and processes used in construction of the power supply shall be in accordance with SM-D-850290. The components of the power supply are identified as the regulated oscillator module and high voltage multiplier module. The oscillator/multiplier interf
22、ace connection shall be in accordance with the applicable drawing. The maximum allowed dc voltage at the interface connection shall be 1,200 Vdc. Maximum alternating current (ac) voltage at the interface connection shall be 550 volts peak to peak. 3.5.1.1 Power Supply Operational characteristics. Un
23、less otherwise specified herein, the power supply shall have the following performance characteristics at ambient conditions (see 3.5.3.12). The power supply shall meet all operational characteristics when powered by battery BA-3058/U conforming to ANSI C18.1, Specification Sheet 20-0571-1988, BA-55
24、67/U, conforming to MIL-PRF-49471/4 or an equivalent power source 3.5.1.1.1 Voltage adjustment. The power supply shall operate in conjunction with an ON/OFF external gain adjust control (EGAC) circuit as shown in Figure 1. The maximum gain position of the EGAC shall be obtained with the switch (S1)
25、closed and the wiper rotated CW to position 3. The minimum gain position of the EGAC shall be obtained with the switch (Sl) closed and the wiper rotated CCW to position 1. 3.5.1.1.2 Maximum gain. a. The microchannel plate input voltage (VIO) shall be not greater than 1,200 Vdc when the adjustments R
26、1 and R2 are at their maximum gain settings with the following conditions applied to the power (i) Input voltage is 3.0 Vdc. (2) The load at output 10 is 350 megohm. (3) All other outputs shall be at no load. (4) The EGAC is at its maximum gain position. supply * b. VIO shall be less than 700 Vdc wh
27、en the adjustment RI varies from its maximum to minimum gain setting at the conditions as specified in the step (a) above. The adjustment R2 shall remain at its maximum gain setting during the variation of RI. c. V1, shall be greater than 1,000 Vdc when the adjustment RI varies from its minimum to m
28、aximum gain setting at the following conditions applied to the power supply. The adjustment R2 shall remain at its maximum gain setting during the variation of R1. (1) Input voltage is 2.0 Vdc (2) The load at the output 10 is 75 megohm (3) All other outputs shall be at no load. (4) The EGAC is at it
29、s maximum gain position. 4 Licensed by Information Handling ServicesMIL-PFS-49040F 3.5.1.1.3 Minimum gain. a. With the EGAC at its minimum gain position and other conditions remaining as specified in 3.5.1.1.2.b, Vlo shall be greater than 01 equal to 90 percent of its preset value per 3.5.1.1.2.b. W
30、hen the adjustment R2 varies from its maximum to minimum gain setting, Vlo shall be less than 78 percent of its preset value per 3.5.1.1.2.b. b. With the EGAC at its minimum gain position and other conditions remaining as specified in 3.5.1.1.2. Vlo shall be greater than or equal to 90 percent of it
31、s preset value per 3.5.1.1.2.c. When the adjustment R2 varies from its maximum to minimum gain setting, Vl0 shall be less than 78 percent of its preset value per 3.5.1.1.2.c. 3.5.1.1.4 Automatic brightness control (ABC) current characteristics. 3.5.1.1.4.1 ABC start current. When the power supply is
32、 operated with the EGAC at maximum gain position, the ABC start current shall be adjustable within the range as follows: a. The ABC start current at the output 13 shall be adjustable from 200 to 450 nanoamperes (nA) by the adjustment R3. b. The ABC start current at the output 12 shall be adjustable
33、from 200 to 700nA by the adjustment R3. c. The ABC start current in the step (a) and (b) above shall not vary more than I 10 percent when the input voltage is changed from 3.0 to 2.0 Vdc. 3.5.1.1.4.2 ABC finish current. The ABC finish current with the EGAC at maximum and minimum gain positions shall
34、 be not greater than 50.0 nA above the ABC start current of 3.5.1.1.4.1. 3.5.1.1.5 Output regulation. 3.5.1.1.5.1 Normal mode. a. With the EGAC at maximum gain position, and as the load current varies within the range of O to 40 percent of the ABC start current, VIO shall not vary more than k 20.0 V
35、dc from its initial preset value of Table I. (The initial preset value is defined as the output voltage of Vl0 when the load current is equal to 25nA or less and the applied input voltage is 3.0 Vdc). b. With EGAC at minimum gain position, and as the load current varies within the range of O to 40 p
36、ercent of the ABC start current, Vl0 shall not vary more than f 25.0 Vdc from its established voltage difference specified in 3.5.1.1.3. 5 Licensed by Information Handling ServicesNIL-PRF-49040F M 9999Uh 20bb4 346 Tempe rat u re +23“c 2500 I V5 I 3500 Vdc no load MIL-PRF-49040F Temperature -54OC 225
37、0 I V5 I 2500 Vdc no load c. The output voltage requirements at outputs 5, 6, 7, 8, 9, 12 and 13 (see Figure 2) shall be within the prescribed limits of Table I. These requirements shall be met when the power supply is operated with the EGAC at maximum and at minimum gain positions. load 0.84 V5 5 V
38、e I 0.9 V5 no load 0.6 v6 2 vg I 0.65 vcj no load 700 5 Vlo I 1000 Vdc for the loads within the range of 75 to 350 megohms. 4800 I VIZ I 5300 Vdc for a load current less than 40% Vdc of the ABC start current. 5750 I v13 5 6250 Vdc for a of the ABC start current. load Current leSS than 40% 3.5.1.1.5.
39、2 High light resolution mode. The output voltages V5 V6, V, V8, V9, Vio, VL2, and VI3 shall be as specified in Table II. These requirements shall be met when the power supply is operated with the EGAC at maximum and minimum gain positions. load 0.8 V5 5 Ve I 0.9 Vs no load 0.58 v6 5 Vg I 0.67 no loa
40、d vio at -54OC shall be within the range of f20 Vdc of the initial preset value set at +23OC. The load shall be 215% f2% of the load at +23OC. 4950 I Vi2 I 5500 and V12 at +5ZoC shall be within I250 Vdc of the preset value at +23“C f or a load current less than 40% of the ABC start current. 5500 5 v
41、i3 I 6250 Vdc shall be within +250 Vdc of the preset value at +23OC for a load current less than 40% of the ABC start current. 3.5.1.1.5.3 Bright source protection mode. a. With the EGAC at maximum position, Vlo shall not exceed its preset value of 3.5.1.1.5.1.a by more than 50.0 Vdc. b. The output
42、voltages V5 V6r V12 and V13 shall be as specified in Table III. These requirements shall be met when the power supply is operated with the EGAC at maximum and minimum gain positions. TABLE I. Output requlation, normal mode output Termina 1 5 6 7 8 9 10 12 13 Temper at Ure +5ZoC 2250 I VSI 3500 Vdc n
43、o load load 1500 5 Vs 5 2000 Vdc no 0.51 v6 I vl I 0.6 v6 no load 0.8 V5 I.VB 5 0.9 Vs no load load VIO +52OC shall be within the range of +25 Vdc and - 20 Vdc of the initial preset value set at +23OC. The load shall be 75% +2% of the load at +23OC. 0.58 v6 I Vg 5 0.67 v6 no 4650 I V12 5 5500 Vdc, a
44、nd V12 at +5ZoC shall be within I250 Vdc of the preset value at +23“C for a load current less than 40% of the ABC start current. 5500 I V13 5 6250 and V13 at +52“C shall be within I250 Vdc of the preset value at +23“C for a load current less than 40% of the ABC start current. 6 Licensed by Informati
45、on Handling ServicesMIL-PRF-47040F E 779770b 2Oiib47 282 10 MIL-PRF49040F VIO I 200 Vdc. The load shall be 75% 22% of the load at +23OC. TABLE II. Output regulation, high liqht resolution mode. 12 13 output Temperature Temperature Temperature 5 V5 2 500 Vdc for a load current greater than 205 microa
46、mperes (UA) and less than 206 UA. Terminal +52C +23OC -54OC V12 I 5500 Vdc at no load V12I 5300 Vdc at no V12 5 5500 Vdc at no load. v13 I 6250 Vdc at no load VI32 6250 Vdc at no v13 I 6250 Vdc at no load. load load 6 v6 2 400 Vdc for a load current greater than 206 UA and less than 206 UA. 8 0.4 VS
47、 I Ve I 0.8 VS at no load. 11 I For a load current 12 I greater than ABC finish current, V12 shall be f250 Vdc of the preset value at +23OC and also meet the requirement of 4650 5 V12 I 5500 Vdc. For a load current greater than ABC finish current, V12 shall be +250 Vdc of the preset value at +23OC a
48、nd also meet the requirement of 4650 I Vi3 I 250 Vdc. VIO 5 200 Vdc for the load between 75 to 350 megohms. 4800 I Vi2 I 5300 Vdc for a load current greater than the ABC finish current. VIO I 200 Vdc. The load shall be 215% f2% of the load at +23OC. For a load current greater than ABC finish current
49、, V12 shall be f250 Vdc of the preset value at +23OC and also meet the requirement of 4650 I VIZ I 5500 Vdc. 5750 5 VI3 I 5300 Vdc for a load current greater than the ABC finish current. for a load current greater than ABC finish current, Vi2 shall be t250 Vdc of the preset value at +23OC and also meet the resuirement of 5500 I vi3 I TABLE III. Output regulation, bright source protection mode. output Temperature Temperature Temperature Terminal +52OC +23OC -54OC I 7 Licensed by Information Handling ServicesMIL-PRF-44040F W 4Ob 208bb50 TT4 m
