All Sections: Spice - 2

11. Squashed triangles: sines, but with teeth? Part 1
    Nick Cornford
    Circuits Texas Instruments LM393 TL081 TLV237x
    .. the Wikipedia article ( Ref. 3 ) disillusioned me, instructive though it was; it also explains the workarounds that SPICE uses. A real-life approach was needed which is often more fun, anyway. My original starting-point was the ...
    Jan 8, 2024

12. Solve low-frequency-cutoff problems in capacitive sensors
    Julius Foit
    Articles STMicroelectronics TS271
    .. of general active-filter theory, or you can simulate the circuit behavior with any of the common simulation tools, such as Spice. By an intelligent choice of passive-component values, you can easily control the circuit's behavior in ...
    Jul 26, 2023

13. Simple, precise, bi-directional current source
    Jerry Steele
    Articles onsemi NCS2005
    .. (R SENSE should be limited to 1 kΩ unless you are adventurous). A caution on simulating this circuit. Not all op amp spice models correctly model the flow of load current in the power supply pins, an essential behavior to simulating ...
    Jun 20, 2023
14. Topology implements updated version of non-isolated capacitive power converter
    Zbyno Brudny
    Circuits Linear Technology LTC1046
    .. a very short time when the charge from C1 has to supply the rest of the circuit. The circuit has been simulated using LT-Spice version 4.19, as well as built and tested (Fig. 3). Figure 3. C1 has to supply the rest of the circuit of ...
    Jun 2, 2023
15. Bonnie Baker
    Authors
    .. hotel and online courses on engineering topics, including ADC, DAC, Operational Amplifier, Instrumentation Amplifier, SPICE, and IBIS modeling topics.
    Mar 9, 2023
16. Hartley oscillator requires no coupled inductors
    Jim McLucas
    Circuits NXP BF998
    .. output buffer using the equivalent circuit. When constructed, the circuit generally performed as expected from an initial Spice simulation. During testing, several components' values required tweaking, and multiple iterations of Spice ...
    Oct 27, 2022
17. Christophe Basso
    Authors
    .. series has set new standards for low standby power converters. Further to his 2008 book “Switch-Mode Power Supplies: SPICE Simulations and Practical Designs”, published by McGraw-Hill, he released in 2012 a new title with Artech ...
    May 23, 2022
18. Synthesize Variable Resistors with Hyperbolic Taper
    TL Flaig
    Circuits Analog Devices LT1007
    .. design of a bridged-T notch filter with a variable notch center frequency and a linear frequency scale. Figure 4 plots the Spice-simulated notch center frequency for the circuit of Figure 3 against the normalized wiper position. The notch ...
    Apr 13, 2022
19. Full-Wave Signal Rectifier Uses Just One Transistor
    David Albean
    Articles
    .. by setting R X = ∞. Half-wave rectification is predicted at R X = 3k. Start with these equations. Iterate with Spice to get optimal values (Fig. 2). This circuit is difficult to simulate accurately due to its inherent nonlinear ...
    Jan 11, 2022
20. An Inexpensive, Precision Power Supply
    Jim McLucas
    Circuits Texas Instruments LM4040BIZ-4.1 TLV9051
    .. reference for the op amp. Figure 1. This power supply circuit is designed around an LM317L voltage regulator. I found a SPICE model of the LM317 on the LTspice groups.io website [ 1 ], and ran some simulations to see if a stable ...
    Sep 27, 2021

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