VTP01 2-Channel Output Voltage Control Oscillator For Frequency Adjustment 3-18V
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VTP01 2-Channel Output Voltage Control Oscillator For Frequency Adjustment 3-18V:
$6.65
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Product Voltage:3V-18V
3.Max Output Current:2.5mA
4.Operating Output:have 2-channel output signal fo1 and fo2,waveform of these two signal is phase reversal
2.Output frequency is controlled by input voltage
3.Wide Range Of Output Frequency:0Hz-1.3kHz
4.Output frequency maximum and minimum are set by adjusting module self-equipped precise potentiometer,minimum can be 0Hz,maximum can be 1300HzOperation Process:
1.When B welding joint disconnected(default);
Power voltage is 5V,input voltage 0-5V,output frequency changing range is 0Hz-1.3kHz
2.When B welding joint connected:
Power voltage is 5V,input voltage is 0-5V,output frequency changing range is 0Hz-110HzNote:1.Potentiometer B is used to set output frequency maximum
2.Potentiometer A is used to set output frequency mimimum;but in factory state potentiometer A has no function;if necessary,connect with A welding joint will be OK;at this time,output frequency minimum is 7Hz(B welding joint is disconnected) or 0.7Hz (B welding joint is connected)
Above data is tested when power voltage is 5V,input voltage is 0-5VSetting Method:(take input analog voltage 0-5V,corresponding output frequency 50Hz-500Hz for example )
1.To make sure voltage range and corresponding output frequency range;this example 0-5V corresponding output frequency is 50Hz-500Hz;since 50Hz-500Hz is in the range of 0Hz-1.3kHz,B welding joint doesn\'t need to connect.Minimum frequency is 50Hz,not 0,A welding joint needs connecting
2.Set Mimimum Frequency:input voltage is 0V,adjust potentiometer A and let output frequency is 50Hz
3.Set Maximum Frequency:input voltage is 5V.adjust potentiometer B and let output frequency is 500Hz
Notice:1.this circuit is not precise signal source
2.Input impedance 1M ohm,input voltage should not be bigger than power voltage\\Pin Definition:
1.VCC:power positive
2.fo2:frequency output port
3.fo1:frequency output port
4.Vi:control voltage input port(commonly connect with analog voltage)
5.GND:power ground
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VTP01 2-Channel Output Voltage Control Oscillator For Frequency Adjustment 3-18V:
$6.65