Precision Amplifiers
Also you have mentioned that the op amp in the second stage gets damaged. Can you confirm that by testing that op amp in a buffer configuration(or any simple co...
Oscillation issue on THS4271
I got oscillation issueon THS4271. The circuit schematic is as attached. The input is differential sine wave on positive and negative terminals with 10k differe...
Maximum Load Capacitor that LMV116 can drive
The LMV116 is an enhanced slew rate version of the LMH6645. The high speed LMH devices are very sensitive to output capacitance (normally they drive back-termin...
Simple Analogue Electronic Key
This circuit uses two comparator that are combined in what is called a window comparator, i. e. resistors R2, R5, and R10 determine a voltage window within whic...
200mA 12V Op Current Gain Stage
An output booster is needed when you want to achieve the needed current/voltage gain. Great output commonly need in accociation with the the output power limita...
Digitally adjustable precision reference driven via PWM
This simple circuit that converts a 5V PWM signal into a variable precision reference voltage with a rang of -2.5V to +2.5V. Many designs, like a digitally con...
Operational Amplifiers and Signal Conditioning
A lens is a custom view of the content in the repository. You can think of it as a fancy kind of list that will let you see content through the eyes of organiza...
Current-Driven Sallen Key FilterCircuit
Current-Driven Sallen Key Filter Circuit Diagram he low-pass Sallen-Key filter is staple for designers because it contains few components (A). By redesigning th...
Build a Variable-Frequency Audio Band pass FilterCircuit
This variable-frequency, audio bandpass filter is built around two 741 op amps that are connected in cascade. Two 741 op amps are configured as identical RC act...
Simple Current-to-voltage converter circuit Diagram
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Photodiode current-to-voltage converter
The Photodiode current-to-voltage converter circuit uses three CA3130 BiMOS op amps in an application sensitive to sub-picoampere input currents. The circuit pr...
Auto gain Control op-ampCircuit
An audio signal applied to VI is passed through the operational amplifier 741, U2. After being amplified, the output signal V2 is sampled and applied to a negat...
Buffer Circuit Schematic Diagram
The series is a series of input buffer equal to the output. In this is such a common collector circuit of air-reinforcement = 1. R value attached to restrict th...
Balanced Microphone Preamplifier
The preamplifier is intended for use with dynamic (moving coil MC) microphones with an impedance up to 200 © and balanced terminals. It is a fairly simple desi...
Single Differential Input Adapter for Digital Voltmeter
I some cases, a cogwheel ascribe is bare for voltage measurement. Using the alone one operational amplifier, you can body an adapter to accommodate a amphibian ...
Schmitt Trigger Circuit
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High Voltage AC Calibrator Circuit Using Op Amp
This a application circuit for calibration. This circuit is called high voltage AC calibrator circuit. In another dimension in sine wave oscillator design is st...
simple mixer schematic
Here the simple mixer with 4 input and 2 op-amps: A basic mixer suitable for mixing microphones or even effects outputs. The overall gain from input to output i...
Simple Analog Multiplier Circuit Using LM107
This circuit a simple analog multiplier, the circuit operation may be understood by considering A2 as a controlled gain amplifier, amplifying V2, whose gain is ...
Converting current to voltage transducer circuit Using LM107
Converting into voltage is undesirable for two reasons: first, an impedance is inserted into the measuring line causing an error; second, amplifier offset volta...