DELOCK electrical components Germany DELOCK model DELOCK price

DELOCK electrical components are specifically designed to suppress high-frequency noise and spike interference on signal lines and power lines, and also have the ability to absorb electrostatic pulses. Ferrite beads are used to absorb ultra-high-frequency signals. For example, some RF circuits, PLL, oscillator circuits, and circuits containing ultra-high-frequency memory (DDR SDRAM, RAMBUS, etc.) all require ferrite beads at the power input. Inductors are energy storage components used in LC oscillator circuits, medium and low-frequency filter circuits, etc., and their application frequency range rarely exceeds 50MHZ. Ferrite beads have high resistivity and permeability, equivalent to a resistor and an inductor in series, but both resistance and inductance vary with frequency.

DELOCK electrical component principles

An AC power supply that can provide stable voltage and frequency is called an AC stabilized power supply. Most domestic manufacturers focus on AC voltage stabilization. The following briefly describes the classification characteristics of available AC stabilized power supplies in the market. Parameter adjustment (resonance) type: The basic principle of this type of stabilized power supply is LC series resonance. Early magnetic saturation stabilizers belong to this category. Its advantages are simple structure, few components, high reliability, wide stabilization range, strong anti-interference and overload capacity. The disadvantages are high energy consumption, high noise, heavy weight, and high cost.

DELOCK electrical component characteristics

Dynamic characteristics refer to the output characteristics of a sensor when the input changes. In practical work, the dynamic characteristics of sensors are often expressed by their response to certain standard input signals. This is because the response of a sensor to standard input signals is easy to obtain experimentally, and there is a certain relationship between its response to standard input signals and its response to arbitrary input signals; knowing the former often allows inference of the latter. The most commonly used standard input signals are step signals and sinusoidal signals, so the dynamic characteristics of sensors are also commonly expressed by step response and frequency response.

DELOCK electrical component functions

Functions of capacitors: 1. Capacitors used in coupling circuits are called coupling capacitors. This type of capacitor circuit is widely used in RC-coupled amplifiers and other capacitor-coupled circuits to block DC and pass AC. 2. Capacitors used in filter circuits are called filter capacitors. This type of capacitor circuit is used in power supply filters and various filter circuits; filter capacitors remove signals within a certain frequency band from the total signal. 2. Capacitors used in decoupling circuits are called decoupling capacitors. This type of capacitor circuit is used in the DC voltage supply circuits of multi-stage amplifiers to eliminate harmful low-frequency coupling between amplifier stages. 3. Capacitors used in high-frequency damping circuits are called high-frequency damping capacitors. In audio negative feedback amplifiers, this type of capacitor circuit is adopted to eliminate possible high-frequency self-excitation and high-frequency whistling. 4. Capacitors used in LC resonant circuits are called resonant capacitors. This type of capacitor circuit is required in both LC parallel and series resonant circuits. 5. Capacitors used in bypass circuits are called bypass capacitors. If a specific frequency band needs to be removed from the signal in a circuit, a bypass capacitor circuit can be used. Depending on the frequency of the signal to be removed, there are full-frequency domain (all AC signals) bypass capacitor circuits and high-frequency bypass capacitor circuits. 6. Capacitors used in neutralization circuits are called neutralization capacitors. This type of neutralization capacitor circuit is adopted in RF and IF amplifiers of radios and RF amplifiers of TVs to eliminate self-excitation. 7. Capacitors used in timing circuits are called timing capacitors. Timing capacitor circuits are used in circuits that require time control through capacitor charging and discharging; the capacitor controls the magnitude of the time constant. 8. Capacitors used in integration circuits are called integrating capacitors. This type of integrating capacitor circuit is adopted in the synchronization separation circuit for potential field scanning to extract the field synchronization signal from the field composite synchronization signal. 9. Capacitors used in differentiation circuits are called differentiating capacitors. This type of differentiating capacitor circuit is adopted in flip-flop circuits to obtain sharp trigger pulses from various signals (mainly rectangular pulses). 10. Capacitors used in compensation circuits are called compensation capacitors. This type of low-frequency compensation capacitor circuit is used in the bass compensation circuit of cassette decks to enhance low-frequency signals in the playback audio; there are also high-frequency compensation capacitor circuits. 11. Capacitors used in bootstrap circuits are called bootstrap capacitors. Common OTL power amplifier output stage circuits adopt this bootstrap capacitor circuit to slightly increase the amplitude of the positive half-cycle of the signal through positive feedback. 12. Capacitors used in crossover circuits are called crossover capacitors. Crossover capacitor circuits are used in speaker crossover networks for loudspeakers to ensure that tweeters operate in the high-frequency band, mid-range speakers in the mid-frequency band, and woofers in the low-frequency band. 13. This refers to the effective external capacitance that, together with the quartz crystal resonator, determines the load resonant frequency. Common standard values for load capacitance are 16pF, 20pF, 30pF, 50pF, and 104pF. Load capacitance can be appropriately adjusted according to specific conditions; generally, adjusting it can tune the resonator's operating frequency to the nominal value.

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