High voltage astable multivibrator problem
The design of a high-voltage oscillator capable of operating at 200V and generating a frequency of 1 kHz requires careful consideration of component selection and circuit topology to ensure reliability and efficiency. A typical approach may involve using a feedback oscillator configuration, such as a relaxation oscillator or a Colpitts oscillator, which can provide the desired frequency with minimal current draw.
The oscillator can be constructed using a combination of active and passive components. A suitable choice for the active component could be a high-voltage operational amplifier or a transistor that can handle the 200V supply. The feedback network would typically consist of resistors and capacitors, which determine the oscillation frequency. For a 1 kHz output, the values of these components must be calculated using the formula specific to the chosen oscillator type.
For instance, in a relaxation oscillator, a capacitor will charge and discharge through a resistor, and the time constants involved will directly influence the oscillation frequency. Careful selection of the capacitor's value and the resistor's resistance is crucial to achieving the desired frequency while keeping the current consumption low.
It is also essential to incorporate protective elements such as diodes to safeguard the circuit from voltage spikes and ensure stable operation. Additionally, the layout of the circuit should minimize parasitic capacitance and inductance, which could affect the oscillator's performance.
Testing the oscillator under various load conditions will provide insights into its stability and efficiency. Adjustments to component values may be necessary to optimize performance and ensure that the oscillator meets the specified requirements for frequency and current drain.Hello. I`m trying to make an oscillator that would run from 200V range, providing about 1 kHz with minimal current drain. I started with making a test .. 🔗 External reference
Related Circuits
One section of the MC10101 is configured as a 100 MHz crystal oscillator, with the crystal placed in series within the feedback loop. An LC tank circuit is utilized to tune the 100 MHz harmonic of the crystal, which...
A Pierce (crystal) oscillator designed to deliver a stable clock signal for a minimum duration of one year when powered by battery voltages as low as 2.4 V. The Pierce oscillator circuit is a type of crystal oscillator that utilizes...
Although you can obtain universal, resistor-programmable switched-capacitor filters that are configurable as notch filters, most cannot operate at bandwidths higher than 100 kHz. Further, the typically 16- to 20-pin packages do not include a continuous-time, antialiasing filter to prevent...
When the output current exceeds 40mA, the XTR110 requires the use of an external resistor (REXT) instead of the internal 50-ohm resistor (R9). REXT should be connected between pin 13 and pin 1. The value of REXT is determined...
The application circuit depicted below features an output voltage that exceeds the referenced voltage. It utilizes the W723 multi-port adjustable positive voltage regulator, which incorporates current limiting protection. The output voltage can be adjusted within a range of 7V...
A JFET is employed to detect the electric field generated by high voltage power lines. The JFET amplifies the signal minimally but reduces the impedance and supplies current at a level appropriate for transistor amplification. The two transistors can...