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IfSprague device includes internal pull-down resistors. A single resistor at the same pin will adjust the A-M gain for op- timal system performance. Cost, chip size and package power dissipation will restrict this circuitry largely to versatile, simple buffers. Among advantages of BiMOS technology are microprocessor compatibility, low-power logic, a wide logic-supply range, component-count reduc- tion, bipolar output capability, CMOS noise immu- nity, and space-saving integration.
The combination of coupling capacitor C 2 and l-F amplifier output pin 9 was chosen for optimum quieting. Numerous a-m circuits were developed which in essence attempted to com- bine the active elements of a discrete bipolar a-m receiver in a monolithic circuit. SUMMARY The phenomenal growth in display technology has largely come as a result of the electronic calculator, and electronic displays will pervade all our lives in an ever-increasing number of products.
A combination of high- current, high-voltage Darlington drivers is shown in Figure 5.
A -2X or -3X device could also be used by paralleling the equivalent Q tuner load with a fixed resistance for an Q load or a Q load, respectively. This breadth of process technology makes it possible for Sprague Electric to manufacture optimal cost- performance integrated circuits.
The higher impedance load will also fur- nish a significant reduction in harmonic distortion and improvement in overall repeatability in power output capacity. The detector in the F-M mode is a four- quadrant analog mutliplier operating in the high-level injection mode. Input characteristics, number of drivers, package style, and output voltage are tabulated for each device in the Device Type Number Designation chart. It is intended to pro- vide solutions to interface problems involving elec- tronic discharge printers, d-c motor drive bipolar or unipolartelephone relays, PIN diodes, LEDs, and other high-current loads operating from negative sup- plies.
Various combinations of number of outputs conducting, duty cycle, and ambient temperature must be held within the allowable package power dissipation limits shown. The maximum ton array. The phase shift network is aligned by applying an F-M signal through a decoupling network to pin 1 and tuning for maximum recovered audio at pin 6.
Use of very low duty-cycle and bright LEDs particularly alphanumeric and matrix dictates a need for multiplexing with peak currents as high as 3 A. The a-m mixer is a fully-balanced mixer based on a four-quadrant multiplier as shown in Figure 7.
Since the I-F amplifier is an independent element, various combinations of filters before and after the amplifier are possible. Minimum data active time after strobe disabled data hold time ns C. Since these solutions using the older gas discharge digit driver circuits require the use of appropriate pull-down resistors, either in discrete or thick-film network form, a more suitable solution employs the circuit shown in Figure Greater concentration and resources are required to solve some of the following display interface related problems: Capacitance values specified include probe and test fixture capacitance.
They are not intended for use with a-c sources, and will not sustain commercial a-c line voltages VAC. A combination of inter-station signal-level muting and off-channel tuning-error muting is useful in signal-seeking or scanning applications.
The switching detection mode high signal level at pin 12 features a greater linear range, increased insensitivity to amplitude variations, and is recommended for AFC applications or where side responses must be avoided.
This mixer can be used in the long-wave, medium-wave, and shortwave bands. On special order, hermetically-sealed ver- sions of these devices with reduced package power dissipation capability can also be furnished. The allowable output current and duty cycle as a function of the number of drivers activated is shown in Figure 6A.
Recommended V KK operating range: Search the history of over billion web pages on the Internet. The jiF capacitor indicated in Figure 12 achieves typically 35 dB rejection.
The market for displays is still very elastic, and many applications for gas discharge panels are continuing to appear. They are also inter- changeable from a pinning aspect although the out- put ON lm13391n will be dissimilar. A typical electrosensitive printer from Japan v s Figure 1 will require to volts and peak currents of approximately 1 A usually at a very low duty datasheet. Coupling factor Qk is slightly greater than 1 to improve harmonic distortion.
An input shift from high-to-low levels datashedt produce a condition where both drivers are ON, and that condition could occur for as long as 5 jits. Each input has a Zener diode and resistor in series to limit the input current to a safe value in that application. Quality Control and Reliability All critical points in the manufacturing processes of Sprague Electric integrated circuits are carefully monitored for compliance to engineering specifi- cations.
Some increase in standoff dahasheet may be afforded by the uses of cascaded output transistors or process improvements, thus reducing the need to sacrifice logic density. Other combinations of number of outputs con- ducting and duty cycle are shown in the specifica- tions.
Con- cern for low external component count, low power consumption, wide supply voltage range, and ver- satility remained foremost as design objectives.
All voltage measurements are referenced to pin 9 unless otherwise specified. Further increases lm1391j power dissipation can be obtained by attaching an external heat sink to the webbed leads. These electrical requirements are well within the capability of many gas discharge digit drivers.
Currently, it is feasible to design and manufacture BiMOS interface with breakdown voltages in the 80 to V range. This affords rejection of both the oscillator and input signal as observed at the output. om1391n
The substrate and output are tied to the most-negative rail, while the Vj d terminal connects to the – 12 V line for the MOS. Shown in Figure 7 is a typical application of this array. These switches are for emitter-follower or similar datasyeet Darlington applications. For optimum noise match, source impedance should be 2.