NE555 Pulse Frequency Duty Cycle Adjustable Module

Description

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Product details

• Size: 3.1CM * 2.2CM 1, the main chip: NE555;
• Input voltage: 5V-15VDC. 5V power supply, the output current can 15MA around; 12V power supply, the output current can 35MA around;
• The input current: 100mA
• The output amplitude: 4.2V V-PP to 11.4V V-PP. (Depending on the input voltage, the output amplitude will be different)
• The maximum output current: 15MA (5V power supply, V-PP greater than 50%), 35MA (12V power supply, V-PP greater than 50%)

The scope of this module

• 1 is used as a square wave signal generator to generate a square wave signal used for experimental development.
• to drive a stepper motor for generating a square wave drive signal.
• adjustable pulses were generated for use by MCU.
• adjustable pulse generation, control circuitry associated.

Advantages

• The output with LED indication, there is no output straightforward (low LED volume, high LED off frequency is relatively low, the LED flashes);
• The output level selectable frequency range, the output frequency is more continuously adjustable; LF file: 1Hz ~ 50Hz IF file: 50Hz ~ 1kHz High-frequency file: 1KHz ~ 10kHz HF file: 10kHz ~ 200kHz
• The output duty cycle can be fine-tuned, the duty cycle and frequency are not separately adjustable, adjusting the duty cycle will change the frequency
• The output frequency is adjustable; Period T = 0.7 (RA +2 RB) C RA, RB is 0-10K adjustable; Low profile when C = 0.001UF; IF stalls C = 0.1UF; High-frequency file C = 1UF; HF stalls C = 100UF, so the frequency of the waveform buyers can own calculations