.. similar. At least this was designed from scratch. U1a forms a conventional oscillator running at around 1 kHz. Neither the frequency nor the exact wave-shape on C1 is critical. R1 and R2 + R3 determine the tri-wave’s offset, and ...
.. decades, I’ve had a fascination with voltage-to-frequency converters and the 555 analog timer chip, and therefore a double obsession with VFCs based on the 555. ...
.. pages of Design Ideas (DIs) have recently been awash in a veritable cascade of designs for variable frequency oscillators with frequency ranges tunable over multiple decades: Self-oscillating sawtooth generator ...
.. Figure 1. Schematic diagram of the DC to DC buck converter. According to the MP2315 datasheet: “The MP2315 is a high frequency synchronous rectified step-down switch-mode converter with built-in internal power MOSFETs. It offers a ...
.. some thought and came up with a design in Figure 1. Figure 1. Schematic diagram. The circuit uses a LTC1799 precision frequency generator from Linear Technology. A 74HC14 hex Schmitt trigger from Texas Instruments is also used to ...
.. is well known that a 555 timer in astable mode can be frequency modulated by applying a control voltage (CV) to pin 5. The schematic on the top of Figure 1 shows this ...
.. loaded boards and boards with shorts in ground planes. Here’s how it works. Figure 1. Audible milli-ohmeter output frequency is linear versus resistance over several orders of magnitude. A 50-mA excitation current is provided to ...
.. oscillating circuits. Here’s a method that employs a single supply voltage rail to produce a buffered signal whose frequency can be varied over a range from 10 Hz to 1 MHz (Figure 1). Figure 1. The sawtooth output waveform is ...
.. that Design Idea (DI) contributor and current source circuitry expert Ashutosh Sapre discovered to be essential for frequency stability of the cascode topology. Thanks, Ashu! Figure 2. R4 and R5 trims allow post-assembly ...
.. AL17150-10B achieves excellent regulation and high-power efficiency. The characteristics of max peak current and driving frequency vary as the load changes, which can improve efficiency performance at light load and overall average ...