1、 MIL-PRF-1/744J 17 January 2012 SUPERSEDING MIL-PRF-1/744H 12 July 1999 PERFORMANCE SPECIFICATION SHEET ELECTRON TUBE, KLYSTRON TYPE 6BM6 * This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the electron tube described
2、herein shall consist of this document and the latest issue of MIL-PRF-1. DESCRIPTION: Reflex, separate cavity, pulse, and CW operation. ABSOLUTE RATINGS: Parameter: Unit: Ef V Ec1 V dc Ec2 V dc Ec3 V dc Er V dc Ik mA dc Ehk V dc Pi W tk sec Alt ft Maximum Minimum 6.9 5.7 +1.0 -500 350 - 350 - -700 -
3、15 32 - +45 -45 10 - - 120 10,000 - PHYSICAL CHARACTERISTICS: Dimensions: Cathode: Mounting position: See figure 1 Coated unipotential Any TEST CONDITIONS: Parameter: Unit: Ef V Ec1 V dc Ec2 V dc Ec3 V dc Er V dc Test condition 1: Test condition 2: 6.3 6.3 0 0 325 300 325 300 Adj for max Po Adj for
4、max Po See footnotes at end of table I. _ GENERAL: Qualification: Not required. This specification sheet uses accept on zero defect sampling in accordance with MIL-PRF-1, table III. _ * CAUTION: Tube not designed for applications where hysteresis may affect performance. AMSC N/A FSC 5960 INCH-POUND
5、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-1/744J 2 TABLE I. Testing and inspection. Method Limits Inspection MIL-STD-1311 Notes Test Conditions Symbol Min Max Unit Conformance inspection, part 1 Total reflector current (1) 4229 3/ - Er
6、= -90 V dc Ir - 5 A dc Heater current 1301 - - If 500 750 mA Heater-cathode leakage 1336 - - Ehk = 45 V dc Ihk 0 75 A dc Electrode current (1) (cathode) 1256 4/ 1 Ik 13 29 mA dc Reflector voltage (1) 4213 4/ 1 Er -30 -70 V dc Total reflector current (2) 4229 4/ 1 Ir - 150 A dc Frequency (1) - 4/ 1 F
7、 785 815 MHz Power output (1) 4250 4/ 1 Po 50 - mW Cathode emission (1) 4214 4/ 5/ 1 Ikik - 15 % Electrode current (2) (cathode) 1256 6/ 1 Ik 13 29 mA dc Reflector voltage (2) 4213 6/ 1 Er -450 -550 V dc Frequency (2) - 6/ 1 F 2,150 2,250 MHz Power output (2) 4250 6/ 1 Po 50 - mW Cathode emission (2
8、) 4214 5/ 6/ 1 Ikik - 15 % Electrode current (3) (cathode) 1256 7/ 2 Ik 13 29 mA dc Reflector voltage (3) 4213 7/ 2 Er -20 -60 V dc Total reflector current (3) 4229 7/ 2 Ir - 150 A dc Frequency (3) - 7/ 2 F 1,130 1,170 MHz Power output (3) 4250 7/ 2 Po 10 - mW Cathode emission (3) 4214 5/ 7/ 2 Ikik
9、- 15 % Electrode current (4) (cathode) 1256 8/ 2 Ik 13 29 mA dc Reflector voltage (4) 4213 8/ 2 Er -275 -355 V dc Frequency (4) - 8/ 2 F 2,680 2,820 MHz Power output (4) 4250 8/ 2 Po 20 - mW Cathode emission (4) 4214 5/ 8/ 2 Ikik - 15 % See footnotes at end of table. Provided by IHSNot for ResaleNo
10、reproduction or networking permitted without license from IHS-,-,-MIL-PRF-1/744J 3 TABLE I. Testing and inspection - Continued. Method Limits Inspection MIL-STD-1311 Notes Test Conditions Symbol Min Max Unit Conformance inspection, part 2 Secureness of base, cap, or insert 1101 2/ - - - - - Low-freq
11、uency vibration 1031 - - No voltages - - - - Conformance inspection, part 3 Life test - 1/ 1 Group C t 500 - hrs Life-test end points: Power output (3) Power output (4) - 4250 4250 7/ 8/ 2 2 Po Po 8 16 - - mW mW 1/ Test tube with 1,000 MHz test cavity as specified on Drawing 166-JAN. Frequency appro
12、ximately 1,000 MHz. Tube operated in N = 1 mode (1.75 cycles for complete transit). Adjust Er for maximum power output. Adjust output coupling loop for maximum power output. 2/ Water-immersion test omitted. Torque shall be applied between upper disk (g3) and molded portion of base and shall be 20 in
13、ch-pounds. 3/ Static test; tube not oscillating. 4/ Test tube with 800 MHz test cavity as specified on Drawing 166-JAN. Adjust cavity to resonate at 800.5 MHz with standard plug as specified on Drawing 197-JAN. Tube operated in N = 1 mode (1.75 cycles for complete transit). Adjust Er for maximum pow
14、er output. Adjust output coupling loop for maximum power output. 5/ Reduce Ef to 5.7 V while tube is oscillating. The cathode emission shall not exceed the limit shown. 6/ Test tube with 2,200 MHz test cavity as specified on Drawing 166-JAN. Adjust cavity to resonate at 2,113.8 MHz with standard plu
15、g as specified on Drawing 197-JAN. Tube operated in N = 1 mode (1.75 cycles for complete transit). Adjust Er for maximum power output. Adjust output coupling loop for maximum power output. 7/ Test tube with 1,150 MHz test cavity as specified on Drawing 166-JAN. Adjust cavity to resonate at 1,130.6 M
16、Hz with standard plug as specified on Drawing 197-JAN. Tube operated in N = 2 mode (2.75 cycles for complete transit). Adjust Er for maximum power output. Adjust output coupling loop for maximum power output. 8/ Test tube with 2,750 MHz test cavity as specified on Drawing 166-JAN. Adjust cavity to r
17、esonate at 2,569.2 MHz with standard plug as specified on Drawing 197-JAN. Tube operated in N = 2 mode (2.75 cycles for complete transit). Adjust Er for maximum power output. Adjust output coupling loop for maximum power output. Provided by IHSNot for ResaleNo reproduction or networking permitted wi
18、thout license from IHS-,-,-MIL-PRF-1/744J 4 FIGURE 1. Outline drawing of electron tube type 6BM6. Ltr Dimensions Inches Millimeters Min Max Min Max Conformance inspection, part 1 A 2.969 3.219 75.41 81.76 B .990 1.000 25.15 25.40 C .880 .890 22.35 22.61 F 1.375 1.500 34.93 38.10 M .303 .323 7.70 8.2
19、0 Conformance inspection, part 2 G .560 .610 14.22 15.49 H .250 .312 6.35 7.92 J .257 .287 6.53 7.29 Conformance inspection, part 3 D - .750 - 19.05 K 25 35 25 35 N .610 .656 15.49 16.66 P .807 .822 20.50 20.88 Q .245 .255 6.22 6.48 R Base: A4-76 S Cap: C1-3 Nominal dimensions L .250 6.35 Pin connec
20、tions 1 g1 2 h 3 k 4 h Lower disk g2 Upper disk g3 Cap r NOTES: 1. For dimensions below reference line refer to base A4-76. 2. Space between glass and upper disk edge or backing ring shall be .030 inch (0.76 mm) maximum. Conformance inspection, part 2, shall apply. 3. Diameters B and C shall be conc
21、entric within .025 inch (0.63 mm) TIR and shall form circular cylinder within a range of .006 inch (0.15 mm). Allowable radius at ends of cylinder shall be .030 inch (0.76 mm) maximum. Conformance inspection, part 2, shall apply. 4. Tube shall be tested in concentricity gauge specified on drawing 19
22、9-JAN. Gauge readings on diameters shall be as follows: Diameter Eccentricity D .050 max N .060 max P .060 max Q .040 max 5. All concentricity measurements shall be conformance inspection, part 2. 6. Pin No. 1 shall be identified by an index mark (colored dot or other.) Provided by IHSNot for Resale
23、No reproduction or networking permitted without license from IHS-,-,-MIL-PRF-1/744J 5 Referenced documents. In addition to MIL-PRF-1, this specification sheet references: MIL-STD-1311 JAN-166 JAN-197 JAN-199 NOTE: To obtain copies of JAN drawings, please send a request via email to DSCC.TubesAmpsdla
24、.mil. The margins of this specification are marked with vertical lines to indicate where changes from the previous issue were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to
25、 evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous issue. Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 85 Project (5960-2011-017) DLA - CC Review activities: Navy - AS, CG, M
26、C, OS, SH Air Force - 99 NOTE: The activities listed above were interested in this 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/. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
