Circuits & Schematics

Search results: 2,771 Output: 1-10
  1. This circuit was born from an application that required an input signal to be precisely clamped to less than 2.5 V, while operating on a 2.5 V supply (actually a reference) with a maximum output of 4 mA. Since the signal’s dynamic range is ...
    14-10-2021
  2. A random-bit-sequence generator is basic equipment for prototyping and testing any data-transmission system. You use such a generator when measuring BER (bit-error rate) and pattern-dependent effects in a transmission system. Such effects can ...
    13-10-2021
  3. A broadband source of white noise can be useful for measuring and testing communications equipment. The source in Figure 1 is simple and produces a large noise signal at its output terminals. The circuit comprises a zener diode and a few amplifying ...
    12-10-2021
  4. Circuits Supply Maxim MAX1771 MAX5160
    Digitally controlled potentiometers are useful for generating analog control voltages under the control of a microcontroller. In some applications, manual pushbutton switches could replace a microcontroller and simplify product design. Mechanical ...
    11-10-2021
  1. The circuit in Figure 1, using a low-offset amplifier, is a basic ohmmeter circuit common in multimeters, except for the addition of the two diode-connected transistors. A current source supplies a selectable current, I M , to ranging from 100 nA ...
    04-10-2021
  2. Many single-supply applications need precision amplifiers that can operate from 5 V or lower. Although many precision, single-supply op amps are currently available for configuring as 2- and 3-amplifier instrumentation amplifiers (IAs), these ...
    30-09-2021
  3. Taking only a cursory look at the input-voltage ratings of your power-supply IC can limit the usable input-voltage range. With careful examination of an IC's operating specifications and circuit topology, you may be able to work around that ...
    28-09-2021
  4. Circuits Supply Texas Instruments LM4040BIZ-4.1 TLV9051
    Do you sometimes need an inexpensive precision power supply? This Design Idea presents a precision power supply that has thermal overload protection and short circuit protection, and can supply 100 mA of current. I needed such a power supply, and I ...
    27-09-2021
  5. The circuit in Figure 1 is useful when you need amplitude demodulation or an averaged absolute-value conversion. The circuit comprises two stages, the first of which, IC 1A , is a differential-output absolute-value converter. The second stage, IC ...
    22-09-2021
  6. Circuits Arduino Supply Microcontrollers Usage Microchip ATtiny10 Attiny13 ATtiny24 ATtiny25 ATtiny44 ATtiny45 ATtiny84 ATtiny85
    The ATtiny45/85 USB Phone Charge Guard controls and monitors the charging of phones and other devices (Figure 1). Voltage, current, power and energy are constantly measured via the INA219 and compared with the user limit values. It cuts off the ...
    21-09-2021