DLA MIL-PRF-1 1385 K-2012 ELECTRON TUBE POWER TYPES 7580W AND 8930.pdf
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1、 MIL-PRF-1/1385K 7 June 2012 SUPERSEDING MIL-PRF-1/1385J 16 July 2004 PERFORMANCE SPECIFICATION SHEET ELECTRON TUBE, POWER TYPES 7580W AND 8930 * This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the electron tube desc
2、ribed herein shall consist of this document and the latest issue of MIL-PRF-1. DESCRIPTION: Tetrode, ceramic-metal. 9/ See figure 1. Mounting position: Any. Weight: 4 ounces (113.4 grams) nominal (7580W). 6 ounces (170.1 grams) nominal (8930). ABSOLUTE RATINGS: Parameter: F1 Ef Eb Ec1 Ec2 Ehk Ib Pg1
3、 Pg2 Unit: MHz V ac 1/ V dc V dc V dc V dc mA dc W W Maximum: Class C Telep: 500 6.0 10% 1,500 -250 300 150 200 2 12 Class C Teleg: 500 6.0 10% 2,000 -250 300 150 250 2 12 Class AB1: 500 6.0 10% 2,000 -250 500 150 250 2 12 Class AB1 (8930): 500 6.0 10% 2,400 -250 500 150 250 2 12 Test conditions: -
4、6.0 1,000 Adj 300 0 150 - - ABSOLUTE RATINGS: Parameter: Pp Pi T(seal) T(anode core) tk Cooling Barometric pressure, reduced Unit: W W C C sec (min) 2/ mmHg Maximum: Class C Telep: 165 300 250 250 30 - 349 Class C Teleg: 250 500 250 250 30 - 349 Class AB1: 250 500 250 250 30 - 349 Class AB1 (8930):
5、350 500 250 250 30 - 349 Test conditions: - - - - 120 3/ - _ GENERAL: Qualification: Required. This specification sheet uses accept on zero defect sampling in accordance with MIL-PRF-1, table III. _ * Type 8930 replaces tube types: EIMAC 8930 and X651Z Amperex DX393 ITT 504809-1 AMSC N/A FSC 5960 IN
6、CH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-1/1385K 2 TABLE I. Testing and inspection. Inspection Method Type Conditions Symbol Limits Unit MIL-STD-1311 Min Max Conformance inspection, part 1 Electrode current (screen) 1256 Both
7、Ic2 -7.0 +3.0 mA dc Electrode voltage (grid) 1261 Both Eb = 2,000 V dc; Ec2 = 400 V dc; Ec1/Ib = 67 mA dc Ec1 -70 -100 V dc Total grid current 1266 7580W Eb = 2,000 V dc; Ib = 125 mA dc 14/ Ic1 - -15 A dc 8930 Eb = 2,500 V dc; Ec1/Ib = 140 mA dc 14/ Ic1 - -15 A dc Primary-grid emission (control) 126
8、6 Both Ic1 = 70 mA dc; t = 120; anode and screen-grid floating Isg1 - -250 A dc Primary-grid emission (screen) 1266 Both Ec1 = 0; t = 120; Ic2 = 100 mA dc; anode floating Isg2 - -250 A dc Heater current 1301 Both If 2.30 2.90 A ac Pulse emission 2212 Both Eb = Ec2 = 250 V dc; Ec1 = -100 V dc; egk/ik
9、 = 1.5 a; prr = 11 1; tp = 4,500 s (min); Ef = 5.4 V ac; tr = tf = 25 s; slope = 0.5 percent; ripple = 0.1 percent ik - 200 ma Current division (long pulse method A) 1372 Both Eb = Ec2 = 250 V dc; Ec1 = -100 V dc; egk/ib = 1.0 a; prr = 11 1; tp = 4,500 s (min) egk ic1 ic2 2.0 - - 9.0 150 260 v ma ma
10、 Interelement leakage (1) - 8930 Grid-cathode; C = 0.25 F; E = 400 V dc 8/ I I - - +1.5 -1.5 A dc A dc Interelement leakage (2) - 8930 Grid-screen; C = 0.25 F; E = 1,000 V dc 8/ I I - - +1.5 -1.5 A dc A dc Interelement leakage (3) - 8930 Anode-screen; C = 0.001 F; E = 8.0 kV dc 8/ I - 5.5 A dc See f
11、ootnotes at end of table. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-1/1385K 3 TABLE I. Testing and inspection - Continued. Inspection Method Type Conditions Symbol Limits Unit MIL-STD-1311 Min Max Conformance inspection, part 2 Direct-i
12、nterelectrode capacitance 1331 Both Cgp Cin Cout - 16.0 4.2 0.06 18.5 5.2 pF pF pF Heater-cathode leakage 1336 Both Ehk = +150 V dc; Ehk = -150 V dc 10/ Ihk Ihk - - +150 -150 A dc A dc RF useful output power 2214 7580W Class C amplifier; F = 470 to 500 MHz; Eb = 2,000 V dc; Ec1 = -90 V dc; Ec2 = 250
13、 to 300 V dc; Ic1 = 25 mA dc (max); Eg1/Ib = 250 mA dc; Ef = 5.5 V ac 11/ Po 225 - W Conformance inspection, part 3 Life test (2) - 7580W Group C; AB1 amplifier; Eb = 2,000 V dc; Ec2 = 400 V dc; Ec1/Ibo = 75 mA dc; Eg1/Ib = 250 mA dc; RL = 4,000 100 ohms; anode tank Q = 10 to 15; F = 2 MHz (min), 10
14、 MHz (max); t = 500 hours 7/ Po (initial) 250 - W (useful) Life-test (2) end points: Linear amplifier power output and distortion Life test (2) - 2204 - 7580W 7/ 7/ 3rd IM 5th IM Ib Po -22 -27 - 225 - - 40 - dB dB mA dc W (useful) Life test (1) - 7580W RF useful output power; t = 500 hours 4/ - - -
15、- Life-test (1) end points: Pulse emission Heater-cathode leakage Primary grid emission (control) Primary grid emission (screen) - 2212 1336 1266 1266 Ef = 6.0 V ac Ehk = +150 V dc Ehk = -150 V dc ik Ihk Ihk Isg1 Isg2 - - - - - 100 150 150 -250 -250 ma A dc A dc A dc A dc See footnotes at end of tab
16、le. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-1/1385K 4 TABLE I. Testing and inspection - Continued. Inspection Method Type Conditions Symbol Limits Unit MIL-STD-1311 Min Max Conformance inspection, part 3 - Continued Cooling - 7580W Ec
17、1/Ib = 250 mA dc 4/ 5/ T (anode core) - 250 C 8930 Eb = 1,400 V dc; Ec1/Ib = 250 mA dc 4/ 5/ T (anode core) - 250 C Pressure drop - 7580W No voltages 4/ 6/ - - 0.35 Inches H2O 8930 No voltages 4/ 6/ - - 0.70 Inches H2O Life test (3) - 7580W Group D; rf useful output power, except air-flow = 1.5 cfm;
18、 t = 100 hours 4/ - - - - Life-test (3) end points: RF useful output power - 2214 Po 200 - W Humidity 1011 7580W 4/ - - - - Humidity end point - Total grid current Ic1 - -15 A dc Vibration, mechanical 1032 7580W Ef = 6.0 V; Ebb = 2,500 V dc; Ec2 = 500 V dc; Rp = 4,900 ohms; Ec1/Ib = 100 mA dc; Accel
19、 = 10 G peak (min); F = 28 to 2,000 to 28 Hz; 4/ 12/ Ep - 30 V ac Vibration, mechanical end points: Total grid current Electrode voltage (grid) - 1266 1261 Ic1 Ec1 - -70 -20 -100 A dc V dc Shock, specified pulse 1042 7580W Eb = 2,000 V dc; Ec2 = 500 V dc Ec1 = -200 V dc; shock = 11 2 ms; accel = 90
20、G peak (min); total impacts = 18 4/ 13/ - - - - See footnotes at end of table. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-1/1385K 5 TABLE I. Testing and inspection - Continued. Inspection Method Type Conditions Symbol Limits Unit MIL-STD
21、-1311 Min Max Conformance inspection, part 3 - Continued Shock, specified pulse end points: Total grid current Electrode voltage (grid) - 1266 1261 Ic1 Ec1 - -70 -20 -100 A dc V dc Linear amplifier power output and distortion 2204 7580W Eb = 2,000 V dc; Ec2 = 400 V dc; Ec1/Ibo = 75 mA dc; Eg1/Ib = 2
22、50 mA dc 1-tone; RL = 4,000 100 ohms; Rg = 1,000 ohms (max); F = 2 MHz (min), 10 Mhz (max); anode tank Q = 10 to 15; t = 180 (min) 4/ Po 3rd IM 5th IM 250 -22 -27 - - - W (useful) dB dB 1/ To obtain maximum life, it is necessary to adjust heater voltage to values indicated below at the indicated fre
23、quencies of operation. These figures are for straight-through amplifier operation. In no case shall the heater be operated at less than 5.4 volts. Frequency (MHz) Ef (V ac) 300 or lower 6.00 301 to 400 5.75 401 to 500 5.50 It is recommended that the heater voltage be maintained within 5 percent when
24、 consistent operation and extended tube life are factors. This applies to both nominal and derated voltages. 2/ At the specified anode dissipation and an incoming air temperature of 25C maximum, a minimum airflow, as specified, shall pass through the anode cooler. At this flow-rate, the static press
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