1、 MIL-C-48605A 12 9997906 0483300 9 MIL-C-48605A (AR) 14 June 1991 SUPERSEDING MIL-C-48605 (AR) 30 September 1980 MILITARY SPECIFICATION CONTROL ASSEMBLY R.F. (UNIT 1) 11748205 This specification is approved for use by U.S. Army Armament, Munitions and Chemical Command, and is available for use by al
2、l Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers the Control Assembly R.F. (Unit l), hereinafter referred to as control assembly, used with the System Tester, Radar AN/VPM-2, 11748124 (see 6.1). 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2
3、.1.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specif
4、ications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). SPECIFICATIONS MILITARY MIL-F-13926 - Fire Control Materiel, Manufacture and MIL-1-45607 - Inspection Equipment, Acquisition, MIL-S-48431 - Solid State X-Band Source 10548182 MIL-P-48606 - Power Supply Assem
5、bly (Unit 2) 11748133 Inspection, General Specification for Maintenance and Disposition of eneticiai comments (recommeiatiarr, additions, deletions) and any pertinent daia which may lx of use in improving this doaunent shouid be aclcksd to: canmaoder, U.S. Army ARDEC, Am. SMCAR-BAGS, picatinay Arsen
6、al, New Jersey M806-5000 by using tbe edf-addresred staodarbiza * tim Doaunent Improvement nopoSai (DD Form 1426) appearing at thcd of this document or by kkr. Fsc 1240 AMSC NA ST4TEMF.NT 4, Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or netwo
7、rking permitted without license from IHS-,-,-_ _ - MIL-C-48b05A 12 m 9999906 0483303 O = MIL-C-48605A (AR) I STANDARDS MILITARY MIL-STD-109 - Quality Assurance Terms and Definitions MIL-STD-810 - Environmental Test Methods and Engineering MIL-STD-2000 - Standard Requirements for Soldering Guidelines
8、 Electrical and Electronic Assemblies (Unless otherwise indicated, copies of federal and military specifications, standards, and handbooks are available from the Standardization Documents Order Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.1.2 Other Government documents, dra
9、winqs, and publications. The following other Government documents, drawings, and publications form a part of this specification to the extent specified herein. Unless otherwise specified, the issues shall be those in effect on the date of the solicitation. DRAWINGS (see 6.4) U.S. ARMY ARMAMENT RESEA
10、RCH, DEVELOPMENT AND ENGINEERING CENTER (ARDEC) 10549058 - 11748133 - 11748144 - 11748155 - 11748168 - 11748205 - 11748213 - 11748214 - 11748215 - 11748216 - 11748455 - Radar Set AN/VPS-2 Power Supply Assembly (Unit 2) W5 Waveguide Flexible RF Amplifiers Microwave Integrated Assembly #i Control Asse
11、mbly R.F. (Unit 1) Cable, W1 Power Supply Cable, W2 Signal input Cable, W3 Power input Cable, W4 Data Input Microwave nteqrated Assembly #5 - 11748460 - Wire List PACKAGING DATA SHEET PS11748205 - Packaging of Control Assembly R.F. (Unit 1): 11748205 (Copies of drawings, publications, and other Gove
12、rnment documents required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting activity.) 2.2 Order of precedence. In the eventof conflict between the text of this document and the references cited herein,
13、 the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-48605A 12 = 9999906 0483
14、302 2 MIL-C-48605A (AR) 3. REQUIREMENTS 3.1 Materials. Materials shall be in accordance with the applicable drawings and specifications. 3.2 Components and assemblies. The components and assemblies shall comply with all requirements specified on Drawing 11748205, all associated drawings, and with al
15、l requirements specified in applicable specifications and standards. Where applicable, the control assembly shall meet the requirements of MIL-F-13926 as follows : 3.3 a. Dimensions and tolerances. b. Inorganic protective surface finishings, c. Part identification and marking. d. Workmanship. Enviro
16、nmental service conditions. 3.3.1 Vibration. The control assembly shall not suffer damage and shall meet the requirements of 3.4 and 3.5 after exposure to sinusoidal vibrations, in each of three mutually perpendicular axes, as follows: Frequency Ranqe Amplitude 10 to 15 hertz 0.06 inches double ampl
17、itude 15 to 25 hertz 0.04 inches double amplitude 25 to 55 hertz 0.02 inches doub.le amplitude The frequency of vibration shall be swept logarithmically. The cycling time shall be 120 minutes per axis. The sweep rate shall be 3.75 minutes +io% per decade. The 10-55-10 hertz sweep time is 3 mikrtes 4
18、5 seconds +lo%. - 3.3.2 Altitude. 3.3.2.1 Operating. The control assembly shall meet the requirements of 3.4 and 3.5 during and after exposure to barometric pressure encountered at 10,000 feet above sea level (20.6 inches of Hg) 3.3.2.2 Non-operating. The control assembly shall meet the requirements
19、 of 3.4 and 3.5 after exposure for not less than i0 minutes to barometric pressure encountered at 40,000 feet above sea level (5.5 inches of Hg). 3.3.3 Temperature. 3.3.3.1 Operatinq. The control assembly shall meet the requirements of 3.4 and 3.5 when stabilized thermally at any temperature between
20、 -40 degrees F and +155 degrees F. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-48605A (AR) 3.3.3.2 Non-operating (storaqe). The control assembly shall not suffer permanent damage when subjected to the constant temperature extremes of -60
21、degrees F for a period of 24 hours and +160 degrees F for a period of 4 hours (after temperature stabilization) and shall meet the requirements of 3.4 and 3.5 when returned to room ambient. 3.3.4 Humidity (non-operating). The control assembly shall meet the requirements of 3.4 and 3.5 after exposure
22、 to an atmosphere with a relative humidity in excess of 95 percent for a period of 10 days. 3.3.5 Immersion (non-operatinq). The control assembly shall meet the requirements of 3.4 and 3.5 and shall have no evidence of water penetration within the case after being immersed in water and subjected to
23、a positive pressure equivalent to 3 head-feet of water (approximately 1.3 psi) for a period of two hours. The power supply assembly shall be immersed with its case closed, an equivalent dummy load, and a sealed plug in place of the pressure release valve. 3.4 Electrical. Each conductor shall be elec
24、trically 3.5 Performance. continuous as specified on drawing 11748460. 3.5.1 Primary input power. The control assembly shall be capable of meeting all requirements of this specification with +24 - +6 Vdc primary input power applied to a Power Supply Assembly (Unit 2) P/N 11748133 that meets all the
25、requirements of MIL-P-48606 or when operated from individual power supplies meeting the performance requirements of MIL-P-48606. 3.5.2 Warm-up. An initial warm up period of 10 to 15 minutes shall occur prior to the commencement of any performance testing unless otherwise specified. 3.5.3 Definitions
26、. 3.5.3.1 CW. The term IiCW1I shall define the condition of the control assembly in which RF switch liS1tl in the microwave integrated assembly #i (11748168) and the RF “gate switch1 in the microwave integrated assembly #5 (11748455) are in a steady state low insertion condition. The control assembl
27、y shall be in the CW condition when cable W2 is disconnected from SIGNAL INPUT 53. i 0: ! I I i I .l 3.5.3.2 Pulse. The term llPulsetl shall define the condition of the control assembly in which RF switch llS1lt in the microwave integrated assembly #i (11748168) and the RF gate switch in the microwa
28、ve integrated assembly #5 (11748455) are being controlled by their respective pulse drivers. the Pulse condition when cable W2 is connected to SIGNAL INPUT J3. The control assembly shall be in 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-HIL-C-4
29、8bOSA 12 I 9999906 0483304 b I MIL-C-48605A (AR) 3.5.4 Voltage monitor. The following requirements shall be met with POWER SUPPLY cable W1 connected to control assembly connector J2 and POWER INPUT Cable W3 connected to control assembly connector J4. a. With the FUNCTION SELECT switch in the VOLTAGE
30、 position and VOLTAGE SELECT switch in the positions delineated in Table I, the digital display (DVM) shall indicate the applied voltage specified in Table I within a tolerance of 20.050 vdc. TABLE I. Voltage monitor readings VOLTAGE SELECT APPLIED VOLTAGE SWITCH POSITION VALUE (VDC) APPLIED +24 +5
31、+15 -15 +28 +24 50.200 W3-A ( + ) W3-B(ret.) +5 i0.200 W1-A W1-B +15 - +0.300 W1-E W1-F -15 20.300 W1-G W1-F +) ret. ) +) ret. ) -) ret. ) +28 20.600 w1-C(+) Wl-D(ret.) b. The voltage at cable end W1 between W1-H (ret.) and W1-I(+) shall be as defined in 3.5.4a for the VOLTAGE SELECT switch in the +
32、24 position, 3.5.5 Voltage input monitor. With the FUNCTION SELECT switch in the VOLTAGE position and the VOLTAGE SELECT switch in the VOLT TP position, the Digital Display (DVM) shall indicate the applied inputs specified in Table II when connected to the VOLT TP input jack (Applied Input - Input,
33、Ret - GND). NOTE: DO NOT EXCEED 36 T inr mri vuJi13 . TABLE II. Voltage input monitor readings APPLIED INPUT - VDC +35.00 200.10 . Short Open DIGITAL DISPLAY (DVM) +35.00 500.15 0.000 +0.010 0.000 +0.015 - - 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
34、IHS-,-,-MIL-C-48605A (AR) TABLE II. Voltage input monitor readings APPLIED INPUT - VDC -35.00 too.10 DIGITAL DISPLAY (DVM) -35.00 +00.15 too.10 ioo.01 +00.10 +00.02 3.5.6 STALO output. a. with the MODE SELECT switch in the RADAR position unless otherwise indicated. b. c. All requirements shall be me
35、asured at the STALO OUT port The control assembly shall be in the Pulse condition. The RF output power shall be t12 dBm minimum for all The RF output power shall be attenuated a minimum of 30 positions of the FREQ SELECT switch. dB relative to the RF output power (see 3.5.6) with the MODE SELECT swi
36、tch in the SELF TEST position for all positions of the FREQ SELECT switch. d. e. The frequency stability shall be as defined in Table III. TABLE III. STALO output readings FREQ SELECT SWITCH POSITION FREQUENCY STABILITY (k0.5 MHz) 9.205 9.213 9.221 9.229 9.237 9.245 9,145 MHZ 9,153 MHZ 9,169 MHZ 9,1
37、85 MHZ 9,161 MHz 9,177 MHz f. The following performance requirements of MIL-S-48431 as defined in Table IV shall be met for all positions of the FREQ SELECT switch. TABLE IV. MIL-S-48431 performance requirements SPECIFICATION PARAGRAPH TITLE MIL-S-48431 3.5.6 Spectral Purity MIL-S-48431 3.5.6.1 6 Po
38、wer Source Noise Spectral Density (Broadband) o I 7 I . i i O Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I. i NIL-C-48605A 12 W 9999906 0483306 T m MIL-C-48605A (AR) 3.5.7 Self test signal. a. All requirements shall be measured at the CAL OUT po
39、rt with the MODE SELECT switch in the SELF TEST position unless otherwise indicated. b. The control assembly shall be in the CW condition unless otherwise indicated. c. The RF output power shall be -17 dBm minimum for all positions of the FREQ SELECT switch. d. The RF output power shall be attenuate
40、d a minimum of 80 dB relative to the RF output power (see 3.5.7) with the MODE SELECT switch in the RADAR position for all positions of the FREQ SELECT switch. e. The frequency stability shall be as defined in Table V. TABLE V. Self-test readinqs FREQ SELECT SWITCH POSITION FREQUENCY STABILITY (+1.0
41、 - MHz) 9.205 9.213 9.221 9.229 * 9.237 9.245 9,205 MHz 9,213 MHz 9,221 MHz 9,229 MHz 9,237 MHz 9,245 MHz f. All harmonic and spurious RF power shall be attenuated a minimum of 20 dB relative to the RF output power (see 3.5.7) for all positions of the FREQ SELECT switch. Note: Measurement band width
42、 shall be the frequencies - +180 MHz (see 3.5.7e). g. With the control assembly in the Pulse condition, the pulse spectrum for all positions of the FREQ SELECT switch shall be as defined in Figure 1. 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
43、MIL-C-48605A (AR) Line S?acing + 17 To 23 KHt 10 db Minimum t4-B.W. .-+I . 5.5 To 8.5 MHt FIGURE 1. Pulse spec :rum. h. With the control assembly in the Pulse condition and the FUNCTION SELECT switch in the RF INPUT position, the RF LEVEL attenuator shall be capable of adjusting the self test signal
44、 such that the digital display (DVM) reads +1.000 20.020 for all positions of the FREQ SELECT switch. the CAL OUT port shall be less than 6 dB over the frequency range from 9.205 to 9.245 MHz. 3.5.8 Cal input. The attenuation between the CAL IN port and 3.5.9 RF Monitor. a, All requirements of 3.5.9
45、 through 3.5.17 shall be accomplished with O dBm (CW) measured at 1A22J2 with the RF LEVEL control set to 5. b. All requirements shall be met for all positional combinations of the FREQ SELECT switch and the RANGE SELECT switch unless otherwise indicated. 8 A Provided by IHSNot for ResaleNo reproduc
46、tion or networking permitted without license from IHS-,-,-MIL-C-48605A 12 999990b 0483308 3 MIL-C-48605A (AR) c. The FUNCTION SELECT switch shall be in the RF MONITOR d. position. unless otherwise indicated. The control assembly shall be in the Pulse condition e. With the MODE SELECT switch in the S
47、ELF TEST position, the RF LEVEL attenuator shall be capable of adjustment such that the digital display (DVM) reads +2.500 - +0.050. greater at ambient conditions and 3 dB or greater at any other environmental condition specifically required by this specification. With the MODE SELECT switch in the
48、SELF TEST position, the RF LEVEL attenuator shall be adjusted such that the digital display (DVM) indicates +2.500 +0.020. After the initial RF LEVEL attenuator adjustment has been accomplished, the digital display (DVM) shall remain stable within a reading of +2.500 +0.070 for a duration of 90 +i0
49、seconds. f. The RF LEVEL attenuator dial shall indicate 6 dB or g. . - h. The above requirements (3.5.9a through 3.5.9f) shall utilize the FREQ SELECT and RANGE SELECT combinations given in Table VI TABLE VI. RF monitor readings FREQ SELECT SWITCH POSITION 9.205 9.213 9.221 9.229 9.237 9.245 RANGE SELECT SWITCH POSITION R1 R2 R3 R4 R4 R3 3.5.10 Video output. a. The control assembly shall be in the Pu
