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Parts by Number for Analog DB Meter Top

Part # Distributor Manufacturer Product Category Description
PIC18F86J72 Microchip Technology, Inc. Microchip Technology, Inc. Not Provided 16-/24-bit Analog Front End (AFE) with Delta-Sigma A/D Converters and high-gain PGAs for 90 dB SINAD and -101 dBc THD (to 35th harmonic) performance. 12-bit, 12-channel, 100ksps SAR A/D Converter. LCD driver for up to 132 pixels with voltage boost regulator. Hardware Real-Time Clock & Calendar...
PIC18F87J72 Microchip Technology, Inc. Microchip Technology, Inc. Not Provided 16-/24-bit Analog Front End (AFE) with Delta-Sigma A/D Converters and high-gain PGAs for 90 dB SINAD and -101 dBc THD (to 35th harmonic) performance. 12-bit, 12-channel, 100ksps SAR A/D Converter. LCD driver for up to 132 pixels with voltage boost regulator. Hardware Real-Time Clock & Calendar...

Conduct Research Top

  • Power Meter Minimum Measurable Power
    Current measurement mode. Using the typical SNR (Signal to Noise Ratio) of 108 dB of the power meter, and using the following. formula,.  A. . signal. SNR(d ). B = 20 log. 10 . . . .  Anoise . the ratio between the signal and noise is obtained below. The noise is mostly due to quantization
  • Designing with the MCP3901 Dual Channel Analog-to-Digital Converters (.pdf)
    MCP3901. “de-correlates” the conversion process. The original. FFTs of a near full scale input signal (-0.5dB), with and. input signal of course is not effected. The MCP3901. without dithering. The reduction of correlated noise or. implementation is shown in Figure 4. spurs can be seen in the FFT
  • Medical Device Link .
    resolution, which allows the bandwidth needed to be determined. To do that, simply use ½(N/2) and then multiply the result by the –3 dB frequency of the amplifier.2 Using this shortcut and a 14-bit ADC, this example states feff = 0.007813 × f –3 dB. (click to enlarge)Figure 3. A block biagram
  • Copper Cabling for Digital Audio and Video Applications
    and measurement procedures for cable and connectors through 250 MHz. This requirement is difficult, but cable manufacturers have optimized their pair designs to comply. The graph above shows typical longitudinal conversion loss or balance for Quabbin's 2-pair Cat 5e cable. It has better than 60 dB
  • Medical Device Link . Design Technologies for Immunity to Electromagnetic Threats
    threat level in volts per meter (e.g., 3 V/m). Multiply by the field uniformity expected; 2x for full ferrite-lined rooms, and 4x for semianechoic rooms. (For this example, assume a full ferrite tile room, or 2x, yielding 6-V/m field.) Convert field to dB (6V/m = 136 dB uV/m). Subtract the basic tuned
  • Medical Device Link . Protecting Circuits against Electromagnetic Threats Case shielding, circuit filtering, and cable protection are keys to meeting new electromagnetic compatibility requirements.
    level in volts per meter (e.g., 3 V/m). Multiply by the field uniformity expected: 2x for full-ferrite-lined rooms and 4x for semianechoic rooms. (For this example, assume a full-ferrite-tile room, or 2x, yielding a 6-V/m field.) Convert field to decibels (6 V/m = 136 dB uV/m). Subtract the basic
  • Budgeting Harmonics for ZigBee Front End Modules
    version of the harmonics shown in red has a constant. envelope, the filtered version does show variations over time. Second harmonic Power vs. Time. -40. -45. z. ). -50. H. M e) -55. i. m. e_1. -60. i. m 2_t(H -65. 2. _t m. H. -70. dB. m(. d. B. -75. -80. -85 0 10 20 30 40 50 60 70 80 90 100 110 120
  • PIC16F639 Microcontroller Overview
    dB/step) for each channel. Sleep Current. 200 nA typical for both MCU and analog front-end. Standby Current. 1 channel enabled: 2 μA, VDD = 3.0V and MCU = Sleep condition. 2 channels enabled: 3 μA, VDD = 3.0V and MCU = Sleep condition. 3 channels enabled: 4 μA, VDD = 3.0V and MCU = Sleep condition

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