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Parts by Number for High Input Impedance Amplifier Top

Part # Distributor Manufacturer Product Category Description
TC1035 Microchip Technology, Inc. Microchip Technology, Inc. Not Provided with large input and output signal swings. An active low shutdown input, SHDN, disables the op amp, placing its output in a high-impedance state. The TC1035 draws less than 0.1 µA when the shutdown mode is active. Packaged in a 6-pin SOT-23A, this single operational amplifier is ideal...
TC850 Microchip Technology, Inc. Microchip Technology, Inc. Not Provided noncritical passive components are required to form a complete 15-bit plus sign ADC. CMOS processing provides the TC850 with high-impedance differential inputs.Input bias current is typically only 30pA, permitting direct interface to sensors. Input sensitivity of 100 µV per least significant bit...
3N163 Calogic, LLC Calogic LLC Not Provided P-Channel Enhancement Mode MOSFET General Purpose Amplifier Switch; Very High Input Impedance; High Gate Breakdown; Fast Switching; Low Capacitance; ROHS Compliant
2N4340 Calogic, LLC Calogic LLC Not Provided N-Channel JFET Low Noise Amplifier; Exceptionally High Figure of Merit; Radiation Immunity; Extremely Low Noise and Capacitance; High Input Impedance; ROHS Compliant
SST203-LF Calogic, LLC Calogic LLC Not Provided N-Channel JFET General Purpose Amplifier; High Input Impedance; Low Loss; ROHS Compliant

Conduct Research Top

  • Programming the HVA Series Precision High Voltage Amplifier
    to observe the polarity of the applied signal. The voltage is always positive because the current limiting circuitry seeks the absolute value of the current and limits the value -- without regard to polarity. The input characteristic is high impedance with a 10M O pulldown to ground. Enable/Disable
  • Operational Amplifiers
    to provide a low impedance. resistive load at higher frequencies. Resistance values can be low—in the 10 to 100 ohm. range while capacitance can typically be between 0.1 µF and 1 µF. 2. Feedback Capacitors: For most high speed amplifiers, a simple feed back capacitor can be employed to eliminate
  • Operational Amplifier Topologies and DC Specifications
    . high pass filter. In this portion of the circuit, gain stages. impedance, infinite common mode rejection, zero noise. are also implemented using programmable gain ampli-. and zero offset voltage (V ) between the terminals. fiers or instrumentation amplifiers whose building. OS. blocks are the op amp
  • AN721: Impedance Matching Networks Applied to RF Power Transistors, Courtesy of Motorola
    Some graphic and numerical methods of impedance matching will be reviewed here. The examples given will refer to high frequency power amplifiers. Although matching networks normally take the form of filters and therefore are also useful to provide frequency discrimination, this aspect will only
  • Sensing Light with a Programmable Gain Amplifier
    . can be used for other sensors or an array of photo sen-. sors without an increase in signal conditioning hardware. or PICmicro® microcontrol er I/O pin consumption. The. multiplexer and high-speed conversion response of the. PGA / Analog-to-Digital (A/D) conversion allows the. photo sensor input
  • Interfacing with UltraVolt High Voltage Power Supplies High Power C Series & High Power 8C-30C Series
    is accomplished with a high-voltage divider resistor set. The scale factor is model dependent and will be either a 100:1 or 1000:1 ratio. The divider resistor set is designed to be properly scaled with a 10M O input-impedance meter connected to the circuit. It is possible to shunt the lower divider
  • Amplifying High-Impedence Sensors ? Photodiode Example
    of a transimped-. V. + I R. = output offset voltage. ance amplifier and a high-impedance source. I. OS. B. F. S repre-. sents the output current of the source. CS is the sum of. the source’s output capacitance and the op amp’s input. Where: capacitance. RF, with the help of the op amp, converts. VOS = op
  • Using Single Supply Operational Amplifiers in Embedded Systems
    of. non-inverting gain circuit. the non-inverting input of an amplifier can be as high as. 1013 Ω for CMOS amplifiers. In addition, the output. The input signal to this circuit is presented to the high. impedance of this amplifier configuration is usually less. impedance, non-inverting input of the op amp

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