In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the....

At the left side (input AC) goes the secondary of a 220 volt (primary) 18 Volt (secondary) / 3 Ampere mains transformer. The alternating voltage of 18 volts from its secondary transformer is rectified by the diodes D1, D2, D3 and D4, which are connected to a....

This pulse generator produces square pulses from 1Hz to 100KHz with adjustable pulse width of nearly 0-100%. The generator is powered with a voltage of 5-15V and is therefore suitable for both TTL and CMOS circuits. If you want to measure the response of an....

This is a Tesla/joule thief hybrid circuit that its inventor claim to produce 90 times the input power! The circuit can be self looped and can provide 1050W of power. from the 1050W only the 11.6W will loop back to supply the joule thief. If you remove the....

This small device, intended primarily for modellers, allows an instant reading of the time I of a pulse in ms. It can, for example, measure the position of the servomotors, about 1 to about 2 ms, or make repetitive or non-pulsed measurements, such as closing....

Error processing segment is converted to a pulse width modulated (PWM) signal output from 3 feet (MC signal). Also calculate the differential position error, which represents t..

Digital pulse width measurement circuit is shown. It uses a l00kHz reference frequency, the count in the pulse width of the signal, the count value of the product of the resolu..

Days to TN-1 Intelligent negative pulse charging circuit Is a day to TN-I intelligent negative pulse charging circuit. This charger is the main part of the typical half-bridge ..

Controlled pulse signal generating circuit FIG controllable pulse signal generating circuit, when the input terminal O start (start) pulse signal (input high), electric road be..

Each trigger input can produce a fixed number of pulses, the number ranges from 2 to 30, the specific number is determined by the frequency-controlled settings of 1 megohm. Mon..

Dot Award ; This circuit is tested and functionable. The circuit consists of two lC constituted. lC1 constitute pulse source, because it is just a momentary button switch S is ..

Electronic Fly utilizes high voltage applied to the power line voltage pulse OCS killed flies. Use the following web site when the bait to attract flies, fly Fly online for all..

F to turn a water magnet, the stator coil into 4 groups. 4 stars all set of coils through mediums P pulse signals by the rotor control number, so as to form a rotating magnetic..

Dong Fang Zhuo most governors are pulse width modulation, pulse position modulation DA foot of the circuit (the clock when called righteous side of the system). Manifold 555 ov..

Digital timers with a display clear and precise features. It is a number that represents the time after the pulse signal by decoding the digital device with digital display tub..

Driver circuit diagram: The main function of the driving circuit is variable width pulse width controller output power amplifier, as a drive signal to high voltage power switch..

Electrical pulses generated by the first base circuit pin output, and then sent through R6 piezoelectric speaker BLD, switched to the electric pulse ultrasonic waves to space r..

Controller as shown, including the acoustic-electric conversion and amplification circuit, a clock pulse generator, counting circuit and control circuit. It controls four accom..

4000 Series 4011B is (NAND gate) by the 4AI NAND gate circuit group to form two loops unstable multivibrator. L NAND gate and NAND gate 2 is ikHz (determined in accordance with..

4096 times the input frequency PWM clock signal, counts up (Q three ), until the base is full ICi-IC3 (sweet day), the output point d a MAX clock signal, which on the one hand ..

The circuit generates a clock synchronized with the pulse width of two clock pulses, a random pulse width from the input pulse width of the clock pulse five times...

Circuit works: SC3525A for the US General Semiconductor PWM silicon chip, 1 foot of the error amplifier inverting input terminal,..

It consists of single-junction transistor VTi, resistance Ri, potentiometer RP, capacitor C consisting of relaxation oscillator and amplifier transistor VTz...

It shows the use of various forms of pulse signal generating circuit operational amplifier...

Flip-flop circuit having a memory function pulse signal. It has two stable states: the transistor VTi deadline, VTZ conduction;..

It shows the dynamic AC signal level display drive circuit can be used for audio level display driver...

Light-emitting diodes can be used DC, AC and pulse and other drivers, resistance typical buck LED display circuit as shown in Figure 13-1...

1C foot VIII made a number of training device, from the trigger terminal CI. f-off positive input pulse. End by supporting a n quotient output level. Lose. commercial electric ..

Precise, adjustable control of beats per minute from a largo of 18 to a frenzied, high presto of 500, These beats are produced acoustically through a speaker. A light flashes at the same rate. When SW1 is closed, CI begins to charge through Rl and R2. Cl....

This type of reset pulse is ideally provided by this circuit. Because of the high input impedance of the Schmitt trigger, long reset pulse times may be achieved without the excess dissipation that results when both output devices are on simultaneously, as....

Input 1 is used as a gating period, during which a single rising edge on input 2 will cause a logic 1 output-any other number, indicating non-identical frequencies causes a logic 0 output. ICla converts input 1 to a narrow pulse which initializes IC2 which....

A circuit for multiplying the width of incoming pulses by a factor greater or less than unity is simple to build and has the feature that the multiplying factor can be selected by adjusting one potentiometer only. The multiplying factor is determined by....