Circuits & Schematics - 4

Search results: 2,898 Output: 31-40
  1. Many amplifiers, including integrated devices, are afflicted with undesired, implicit input terminals in their power connections. Due to less than perfect power-supply rejection, these implicit terminals admit noise into the signal that the ...
    14-06-2022
  2. A current-feedback amplifier is a well-known component with many uses. Its basic block diagram shows that its input stage is a voltage follower in practice, a symmetrical emitter follower (Figure 1). The configuration samples the output current, ...
    14-06-2022
  3. Many graphic (passive/active (TFT)) LCDs require multiple positive and negative supply voltages. At “power on” and “power off,” these bias voltages must be sequenced properly, along with the LCD’s data and control ...
    13-06-2022
  4. Popularly known as “gauss meters,” various makes and models of magnetic field meters are available on the market at prices that make them unaffordable to many hobbyists and engineers. This Design Idea combines a commonly available DMM ...
    09-06-2022
  1. A signal’s peak is typically measured with a diode. But if the diode is used alone, the input voltage must be much larger than the diode’s turn-on voltage to obtain acceptable accuracy. Since turn-on voltages range from 200 mV in ...
    06-06-2022
  2. Circuits Interfaces Supply Maxim MAX4173 MAX4238 MAX6129
    A USB port offers a handy source of 5 V power for auxiliary devices. A USB port not only supplies power to a microcontroller and other essential circuitry, but also provides enough extra current head room to charge a small battery or supercapacitor ...
    02-06-2022
  3. Although rechargeable batteries offer many advantages, they can suffer damage and shortened service lives if they're fully drained of their charge. The circuit in Figure 1 shuts off a battery-powered appliance in this instance, an LED ...
    30-05-2022
  4. The circuit in Figure 1 is suited for inductive sources such as a dynamic microphone, transformer or inductance sensor/pick up. Figure 1. A simple amplifier circuit suited for inductive sources such as a dynamic microphone, transformer or ...
    26-05-2022
  5. The circuit in Figure 1 allows you to convert capacitance into a pulse train by using a constant current source and a linear monostable formed by two NAND-gate chips ( 74HC132 ). The circuit also provides two pulses to control external counter ...
    26-05-2022
  6. An audio volume-unit meter displays peak-related audio amplitudes to aid in accurately setting recording levels or for displaying an amplifier's operating conditions. A simple diode and capacitor network provides a classic volume-unit ...
    24-05-2022