MIL-STD 1553 DATA BUS TRANSFORMERS ELECTRONICS LIMITED Pascall Electronics Limited Westridge Business Park Cothey Way Ryde, Isle of Wight PO33 1QT UK Tel +44 (0) 1983 817300 Fax +44 (0) 1983 564708 Email enquiries@pascall.co.uk www.pascall.co.uk 3Kohms minimum impedance at -55 C BS9000 release available for both leaded and surface mount packages Release to BS9720 Generic Specification (full or basic assessment available) Extended range giving wide choice of turns ratios Upper operating temperature limit to +125 C Surface Mount Option The Pascall P1200 Series of Data Bus Transformers is designed to satisfy the requirements of MIL-STD-1553A / B (Def. Stan. 00-18 (Part 2) / 1) and may be used in either the bus coupling or isolation configurations. The Transformers are compatible with currently available transceivers and integrated terminals, meeting all the electrical requirements of Manchester II serial bi-phase data transmission including MACAIR specifications. They are also designed to meet the requirements of MIL-T-21038 Grades 5&7 / Class S / Life X. 05/05 MIL-STD 1553 DATA BUS TRANSFORMERS ELECTRONICS LIMITED MIL-STD 1553 TRANSFORMERS Part No. Model 1,2 : 3,4 C.T. Housing Minimum impedance between pins 1, 2 : 3, 4 1-00152 P1241 1.41 : 1 N D 3,000 1-00195 P1242 1.41 : 1 N B 3,000 Housing Minimum impedance between pins 1, 2 : 3, 4 3,000 MIL-STD 1553 TRANSFORMERS Part No. Model 1,3 : 5,7 1,3 : 4,8 C.T. 1-00130 P1264 1.41 : 1 1.0 : 1.0 Y A 1-00171 P1265 1.41 : 1 1-00273 P1266 1-00769 P1267 1-00168 P1269 1-02822 P1271 Y B 1.0 : 1 Y C 3,000 1.66 : 1 1.2 : 1 Y A 3,000 2.0 : 1 1.4 : 1 Y A 3,000 2.0 : 1 Y A 3,000 0.66 : 1 Y A 3,000 0.4 : 1 Y C 3,000 0.46 : 1 1-01028 P1275 1-03842 P1277 1-04405 P1284 1.41 : 1 1.0 : 1 Y SM 3,000 1-04817 P1289 2.0 : 1 1.41 : 1 Y SM 3,000 1-07860 P1760T2 0.56 : 1 Y SM 3,000 P1299 0.56 : 1 Y SM 3,000 1-06198 Other models & custom versions available. MIL STD 1553 Coupling Boxes available. OPERATING CONDITIONS Parameter Symbol Min Max Unit Frequency Range f 75 1000 KHz Operating Temperature Tamb -55 +125 C Storage Temperature Tst -55 +150 C ELECTRICAL CHARACTERISTICS Parameter Open Circuit Primary Impedance Test Conditions Overall Conditions Tamb = +25 C f = 75 kHz Min 45 Kohms 15 % dB 50 0.5 Overshoot and Ringing Test Voltage = 500 V Unit 8 10 Common Mode Rejection Ratio Max 3 Droop Inter Winding Resistance Typ 1.0 VOLTS Mohms 50 Turns Ratio Tolerance 3 % Peak Working Voltage 50 VOLTS *Isolation Resistor Tolerance 2 % 1.0 WATTS *Isolation Resistor Rating Tamb = 70 C * Where fitted BS Released parts please contact sales office. MIL-STD 1553 DATA BUS TRANSFORMERS ELECTRONICS LIMITED 15.9 1 4 5 8 PASCALL 7 2 6 P-12xx 5 4 1 A/B/C 15.9 3 2 6 7 8 3 STYLE A AS SHOWN 7.6 MAX STYLE B LESS PINS 2, 4, 6, 8 O0.5 10.0 MIN 12.7 1 22.0 D STYLE C LESS PINS 5, 7 2.54 TYP. 4 3 2 PASCALL 16.0 4 3 P-12xx 1 2 11.4 12.0 MAX 6.0 MIN O1.0 6.35 SM 3 PASCALL 2 P-12xx 1 5 MAX 8 7 6 5 4 16.5 16.5 DIMENSIONS IN mm TOLERANCES 0.3 UNLESS OTHERWISE STATED 2.54 TYP 30 x 1.25 TYP IN 8 PLACES 1 4 5 2 6 7 3 8 MTL STD 1553A/B DATA BUS COUPLERS ELECTRONICS LIMITED Pascall has designed and manufactured a range of MIL STD 1553 Data Bus couplers with terminations for 1 to 8 stub connections, suitable for simulator/test applications. Housed in aluminium enclosures with TRB connectors for ease of connection these couplers provide a simple in line solution for data bus loom applications. Fault isolation resistors can be fitted as an optional extra. Operating frequency range of 75KHz to 1MHz. 1-11271 1 stub 1-11275 5 stub 1-11272 2 stub 1-11276 6 stub 1-11273 3 stub 1-11277 7 stub 1-11274 4 stub 1-11278 8 stub