Use of transistor stage permits cascading as for counters. Tunnel diode, which controls conducting state of transistor, is biased to have output voltag...
Q1 and Q2 simulate vacuum-tube phantastron sweep generator, Since input impedance is low, linearity con be improved by using emitter-follower Q3.-N. C....
Nominal sensitivity is 200 microvolts per meter at 5 mw reference power output. Maximum power output is 75 mw, and total battery drain is 17 ma.- Trans...
In the Darlington configuration, this emitter follower has a pair of transistors. The emitter current of one transistor becomes the base current of the...
This a circuit of The Darlington Pair, on of popular transistor circuit configurations. Sometimes, this circuit is called the super alpha pair circuit....
This circuit can produce high speed output signals with fast rise and full times. The unique change pump action allows the voltage of the upper P-ch de...
Proteclive circuit uses one resistor, one diode, amd one transistor. Transistor across supply line is cut off by 1N87 diode until overload occurs. When...
Circuits may be coupled either directly or by multi-emitter transistor and gates. Components show promise for integrated circuits.-P. M. Thompson, Logi...
Circuit is basic building block of binary full adder for high speed encoding Transistor is 2N1499.-S. C. Chao, High Speed Encoding with Resistor-Transi...
The circuit shown in figure one consists of sawtooth wave generator and step wave generator.To draw the transistor characteristic curve two kind of vol...
(a) Timedelay circuit(b) Timedelay circuitIt can set delay time according to the voltage Us and resistor R. In the circuit, S1 is the the discharge swi...
This oscillator uses two transistors and operates the crystal in the fundamental mode. CT and C2 should be about 2 700 pF for 1 MHz, 680 pF for 5 MHz, ...
The picture shows the arithmetic product wave detector circuit composed of dual-electrode transistor. The action of the circuit likes a amplifier. But ...
This article describes the Non Retrigerable Monostable Multivibrator Using Transistors (2N3904). The content is very simple, very helpful. Components i...
The circuit is built around a 741 general-purpose op amp that is configured as a voltage follower; with the components shown, the op amp has a voltage ...
A resistor network (R1 through R10) with emitter followers (Q1 and Q2) drives LED drivers (Q3 through Q7). This circuit was used as a light organ to pr...
This article describes the Transistorised Code Lock With Torch (LM7812). The principle is very simple, very practical. The circuit components can help ...
Noise figure is 3 db and video bandwidth about 6 Mc. Used with uvicon camera tube for ultraviolent telescope，-R. N. Riggs, Ultraviolet Space Telescop...
In the initial state with the power turning on, the transistor VT is cutoff, the circuit outputs high potential. When the input terminal is coupled wit...
The graphic equalizer circuit the frequency adjust circuit. For some kinds of audio frequency response is not smooth. The frequency offset by the tone ...
Description. Here is the circuit diagram of a simple two transistor alarm circuit that can be operated from a 9V PP3 battery. Here the two transistors ...
Locator uses a transistor radio as the de-tector. With the radio tuned to a weak station, adjust Cl so the locator oscillator beats against the receive...
Input is fed by Hewlett-Packard 343A noise source, Output goes to 342A noise figure meter through 3-stage transistor post-amplifier. Input and output o...
Made of 5 ma PNP transistor constant current source bridge type pressure sensor power supply circuit principle diagram shown as follow:...
When solar cells are exposed to light,the generating voltge gets VT6 on state.VT6's conduction is proportional to the degree of light intensity.VT6 con...
Tuned to third overtone of crystal fundamental. Fifth harmonic of oscillator is used as calibration frequency for c-w receiver of radio direction linde...
No one can certainly imagine any electronic device without the presence of transistors. In that case, what was the idea behind the invention of transis...
This article describes the Single transistor phase shifter circuit (BC108). The content is very simple, very helpful. Components in this article can he...
This article describes a Single Transistor Blocking Oscillator (MPSA06). The content is very simple, very helpful. Components in this article can help ...
Produces triggering pulses that stimulate heartbeats during surgery. Repetition rate is determined by C1 and R1. Pulse duration is 4 millisec, with 8-V...
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