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  • Measuring Low Value Resistance / Impedance
    , it is necessary to measure the impedance of those components to insure operation within specifications. AC/DC current meters may involve the use of sense resistors that usually have low resistance (milliohms) values to measure high currents. Verification of system accuracy is important. Strain gauge bridges
  • Amplifying High-Impedence Sensors ? Photodiode Example
    AN951 Amplifying High-Impedance Sensors - Photodiode Example and C reduce the output noise. The output noiseR N N Author: Kumen Blake and Steven Bible is also kept low by not over-compensating the feedback Microchip Technology Inc. loop. INTRODUCTION C F Embedded systems contain many types
  • Distortion and Source Impedance in JFET-input Op Amps
    of two JFET-input op amps for high and low source impedance. A new fabrication process that limits common mode capacitance provides more device options when low distortion is required over a wide range of source impedance.
  • Considerations for PCB Layout and Impedance Matching Design in Optical
    The optical module offers an effective high-speed solution for a growing telecom market. Data rates range. from 155 Mbps to 6 Gbps and even up to 10 Gbps. Transmitter optical sub-assemblies (TOSAs) and laser. drivers may have different resistances in a given application, so the reflection could
  • Semiconductor Strain Gage Applications to Skin Friction Sensors for High-Speed Aerospace Testing
    Semiconductor Strain Gages (SSGs) are used in a variety of force and temperature measurement systems when the requirements include any or all of high sensitivity, fast response time, high impedance, small physical size, and long-term mean time between failures (MTBF). An ideal example
  • 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
  • Compact Filtering for High Current & High Frequency Applications (.pdf)
    In today's world of increasing electrical noise, higher speed logic, and more sensitive circuits the need for high frequency noise filtering is especially critical. Noise can enter a circuit through external connections such as the input power source or other transmission lines within the circuit
  • High Speed Transmission Equipment (.pdf)
    High speed transmission equipment encompasses a broad range of transmission protocols such as T1/E1, xDSL, and ISDN. transmission equipment is located at the central office, customer premises, and remote locations. Transmission equipment should be protected against overvoltages that can exceed 2500

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