By G. W. A. Dummer, J. Mackenzie Robertson
American Microelectronics information Annual 1964-65 offers complete details on varied microelectronics on hand within the U.S.
summary: American Microelectronics info Annual 1964-65 offers complete info on assorted microelectronics to be had within the U.S
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2 µ,sec duration into a word line. Bifil�r windings help to maintain good rise times. Sense and cur rent transformers are similar. A 2 : 1 transformer in the sense line has 4 turns primary and 8 turns secondary. Figure 1 5 shows a typical wiring arrangement. The article written by Ruthroff discusses high speed transformers in detail . corporated in some of the most advanced elec tronic system s . A typical application i s t h e Burroughs developed 0825 Modular Data Pro cessing System which has been designed to fulfill military and space requirements including com mand and control operations.
STAGES IN MANUFACTURE OF BASIC 1PEC ' COUPLATE. ;·�· ·' J�'"'i' ' THE SILVER PATIERN IS SHOWN on a stand ard PEC bose plate (couplate). >'tlleted and fired manufacturing sequence, 2 and 3). The coup ate material shown is dielectric ceramic to provide for capacitance by screening silver to the plate. Standard couplate sizes are given in the second and third columns below. CARION COMPOSITION RESISTORS are shown screened in their roper position. :5%. Values as low as 15 ohms or as high as «I megohms con be furnished.
The second inverter drives a second emitter follower. The emitter follower provides a low impedance drive source to the bases of the final two output 46 Fig. 1 9. Driver And Switch ( I Megacycle And 1 Amp ) . The driver and switch shown in Fig. 19 can handle current pulses of one ampere with rise and fall times of 35 nanoseconds. Therefore it is particularly useful in operating the type BIP- 1 000 plane which requires the higher drive current. When continuous operation of these circuits at a rate of one megacycle or above is desired, precautions against overheating should be taken.