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Analogue Sound Preasure dB-Meter Circuit – Circuit Schematic
Analogue Sound Preasure dB-Meter Circuit
The best human ear can capture sounds from 20Hz to 20KHz. These limits are known to be the broadest that can exist. Normally the normal limits range from 100Hz ...
High Precision Digital Pulse Meter Circuit – Circuit Schematic
High Precision Digital Pulse Meter Circuit
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 ...
An estimate of the load current monitor circuit rod – Circuit Schematic
An estimate of the load current monitor circuit rod
Fig. A, b, c for the test rod end clip, a positive power supply terminating test equipment, b, c end series with the load, where c is the negative side of the d...
Wide-band high-frequency electric field strength meter schematic – Circuit Schematic
Wide-band high-frequency electric field strength meter schematic
Explanation: This is a simple and low-cost broad-band high-frequency electric field strength meters. Field strength of the radio signal into a DC measurement, i...
Dual drive ICs 10LED level meter circuit – Circuit Schematic
Dual drive ICs 10LED level meter circuit
Dual drive ICs 10LED level meter circuit Dual-drive IC is shown in the IO LED level meter circuit, the figure of two TLM8101 driver IC can also be used instead....
555 direct reading frequency meter schematic – Circuit Schematic
555 direct reading frequency meter schematic
Direct reading frequency meter by the amplifier, and trigger one-shot circuit and table top components. It can be directly detected in the read head of the tabl...
555 direct reading frequency meter schematic – Circuit Schematic
555 direct reading frequency meter schematic
Direct reading frequency meter by the amplifier, and trigger one-shot circuit and table top components. It can be directly detected in the read head of the tabl...
Digital pulse width measurement circuit diagram CD4518 and CD4069 the – Circuit Schematic
Digital pulse width measurement circuit diagram CD4518 and CD4069 the
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 produ...
Digital pressure measuring circuit – Circuit Schematic
Digital pressure measuring circuit
Digital pressure measuring circuit AD7710/7715/7730 multifunction digital sensor signal conditioning ICs. They integrate a digital interface with the control po...
Digital precision pressure tester circuit integrated precision pressure signal conditioner MAX1457 – Circuit Schematic
Digital precision pressure tester circuit integrated precision pressure signal conditioner MAX1457
Digital precision pressure tester circuit shown in Fig. MAX1457 external ROM selection 93C66 type 4096b E2PROM. After power MCS end is pulled to a high level, c...
Digital display temperature detection circuit – Circuit Schematic
Digital display temperature detection circuit
Digital display temperature detection circuit Precision digital display shows the temperature detection control circuit, MC1403 pin output reference voltage, th...
Line current measurement circuit – Circuit Schematic
Line current measurement circuit
Detecting electrical equipment, sometimes in order to more accurately measure the electrical current, the need to disconnect the circuit in series into the amme...
Data acquisition system circuit – Circuit Schematic
Data acquisition system circuit
Converters and data sampling: Figure 27-47 12-bit A/D converter AD574 and 8031 to the interface circuit. Parameters measured by the multi- way switch after CD40...
The contact resistance measuring circuit – Circuit Schematic
The contact resistance measuring circuit
Contact resistance measuring circuit shown in FIG. It mainly consists of a constant current circuit and amplifying circuit. Operational amplifier 1C1 and form a...
Milliammeter table circuit composed of resistance – Circuit Schematic
Milliammeter table circuit composed of resistance
Commonly used high sensitivity header is actually using microampere meter, use it to produce resistance meter using voltage can be very low, but producers stil...
Clamp stay current probe compensator – Circuit Schematic
Clamp stay current probe compensator
Clip-on current probe, such as the Tektronix P6021 current waveform for oscilloscope display is very useful. Unfortunately, for the low-frequency response is a...
555 Pocket digital frequency meter schematic – Circuit Schematic
555 Pocket digital frequency meter schematic
Circuit using an ordinary digital quartz electronic watch, the lower its crystal welding, as shown by the connected circuit constitutes a digital frequency met...
Computer AC power source monitoring circuit – Circuit Schematic
Computer AC power source monitoring circuit
Circuit principle: computers AC power load is large, the use of the current transformer current sensing. It can be used to detect whether a current power line,...
100Hz-1MHz a circuit diagram of the phase meter – Circuit Schematic
100Hz-1MHz a circuit diagram of the phase meter
Circuit in the frequency range, an accuracy greater than 2%, for the production of bode curve. Two sine wave into a square wave, while the amount of overlap co...
Thermocouple cold junction compensator AD596 597 a circuit diagram of Temperature Monitor – Circuit Schematic
Thermocouple cold junction compensator AD596 597 a circuit diagram of Temperature Monitor
Circuit from the AD596/597 form a temperature measurement and control instrument is shown in Fig. Here, AD596/597 (IC1) as a closed-loop thermocouple signal co...