Expressed LM629 PWM outputs directly drive LM18298 dual H -bridge circuit conditions. The latter is a switching amplifier, two H-bridge in parallel to drive a small DC servo mo..
Extend current application circuit The current production of the maximum output current of the integrated three-terminal device is 1.5A. If the output current is greater than t..
Environmental noise monitor circuit is shown. It mainly consists of high gain mu Specification for Zinc composition. Measured noise signal is indicated by the ammeter. ICl oper..
Electric sewing machine saving circuit as shown, line the main elements by the Hall switch IC IC and relay K composition. Closing switch os, power-on, after R, and Ci RC Buck, ..
Electric blankets circuit controlled by the switch S, when the switch S full, 2ZOV entire supply voltage electric wire heating, high temperature state. When the required time t..
EMR 4 0 with a single power supply (6V ~ 10V) power supply, power supply when 9V best. It requires better power filtering, noise lower opening the lc no signal input quiescent ..
Due to the increased level of transistor amplifier circuit, the control circuit of Figure 16-6 performance more than plus sensitive, and can input control signal superimposed o..
Design, the front panel buttons to set the 10 number keys and the keys 0-9, move the key, down health, Enter, i recover key, door key j count 16 keys. Ding also features in the..
Energy-saving lamps are divided into self-ballasted compact, single-ended from the structure; from the appearance divided double-tube type, tube type four, six tube and tube ri..
Computer control system, you can detect the signal path switching means dressing a lot, you need a lot of input interface expansion Wei, so can all switch signal input into the..
Emitter-coupled differential amplifier (1) emitter-coupled differential amplifier circuit in the base of the differential amplifier circuit is by symmetry of the circuit to sup..
Driving Circuit: the driving circuit shown in Figure 18-12. Driving portion is connected to the microcontroller and the air conditioning operation member of the bridge. Microco..
Eight-channel isolated as shown in Fig constituted by ISO120 and PWS740 0 ~ 20mA current loop circuit. FIG drawn only one channel, circuit 0 ~ 5V input voltage into a current o..
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..
Each J202 JFET stage provides up to 180 phase shift by 1 megohm potentiometer control. Potentiometer complete control groups. JFETs are ideal for the designated circuit, becaus..
Each family essential small appliances. Sub-type and electric power jet, mainly used for clothes and shake hot shaping. Irons circuit shown in Figure 1-30. When we use iron, ir..
Electronic frostbite treatment instrument ASIC SL9711 constitute an oscillation circuit, a power amplifier and controller, and generates 100Hz 3Hz sine wave, after the step-up ..
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 ..
Doppler effect sensor Nl (RD627), operational amplifier N2 (LM358), the sound of dogs barking imitation special integrated circuit N3 (KD5608) and other components. When nobody..
Electronic circuit shown in Figure crying, which consists of voice recording, audio power amplifier and power supply circuit composed of three parts. Wherein ICl to fool type o..
Electronic circuit shown in Figure cat. ICl time base integrated circuit NE555, it potentiometer RP, resistor Rl, R2 and capacitor Cl form time control circuit for controlling ..
Electronic bio wave therapy instrument circuit as shown, it can produce a variety of complex frequency electrical signals, the absorption of the drug can help patients affected..
Electrician sometimes overcurrent relays, thermal relays, etc. do periodic overcurrent or check, to use a current generator. Using secure running lights transformer, voltage re..
Electromagnetic vibration table or feeder is to use small objects after a certain track or cylinder by forced vibration, can be self- made line made to move along the rail tube..
Differentiating circuit as shown for the utility. The op amp circuit constituted by Universal. When the differential input a triangular wave, square wave output, while the inpu..
Differential amplifier stability, zero drift suppression, is a common amplifier. Differential amplifier circuit shown in Figure, by two parameters identical transistors VT1, VT..
Differential amplifier with a constant current source, as shown in Figure 1-27. Thus, as long as, c3 and kept constant, cl, n can not be simultaneously increased or reduced sim..
Constitute a CMOS circuit time adjustment of a spot welder The number of cycles it uses CMOS device composed of a control circuit, optionally in the range of 1 to 99 cycles to ..
Differential amplifier circuit four connection methods and features comparison b b.0 magnification of a single tube of half earnings due anti-common-mode negative feed-effects,..