Frequency to voltage converter circuit lm2917

I plan to move to stainless all thread or threaded brass rods in the very near future before I put it on the roof. This design does stay together at sustained 70 mph windspeed though. If you do this use lots of cutting oil on the tap! You have no room for error due to the thiness of the ring. The fit of this ring to the spindle is snug enough that you will have to clean up the inside of it after drilling and tapping to make it fit. The bearing is of such high quality that it doesnt care one way or the other.

Last edited: Aug 14, Similar threads S. Replies 10 Views 5K. Jun 9, audioguru. Help: Voltage to Frequency converter. Replies 14 Views 2K.

Jul 13, muso Voltage to frequency converter with PIC. Replies 0 Views 1K. Need help - Voltage to Frequency converter. Replies 6 Views Apr 9, Ubergeek Voltage to frequency converter.

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Testimonials Testimonials. Excellent service - 2day delivery even by 'snail mail'. Voltage to frequency conversion is a data acquisition technique widely used in synchrotron radiation and other scientific applications that require the proper Abstract— A simple circuit technique to realize differential voltage-to-frequency converter suitable for telemetry is presented. The realization method employs second-generation The PCS Static Frequency Converter is the ideal solution for addressing that exact issue, it takes the standard grid supply and converts it to the desired frequency and voltage using static technology meaning there are no large moving masses.

The SFC is highly configurable for different size options from kVA up to 2MVA, even larger systems are possible as multiple units can be paralleled The configurable analog to frequency converter is used to convert analog st and ard signals to frequency signals or pulse width modulated PWM signal cond voltage to frequency converters Download eBook pdf epub Voltage-to-Frequency Converters SpringerLink A Voltage to Frequency VTF converter is a circuit, which converts a voltage level to a linearly proportional frequency.

A special configuration of the LM IC performs this conversion. Interestingly, this same IC also performs the FTV conversion as shown in the previous pages of this article. Sauriol Rev. R1 sets the input voltage range.

LM is basically a precision voltage to frequency converter from National Semiconductors. The IC has a hand full of applications like analog to digital conversion, long term integration, voltage to frequency conversion, frequency to voltage conversion. Wide dynamic range and excellent linearity Abstract—This paper presents a 0.

The linear ramp is fine, actually the transmitter side is complete, and I'm just trying to do the receiver side. I've attached the picture of the linear ramp waveform, if you are interested in the schematics of the linear ramp I'll be happy to attach them next.

JPG I'm going to compare this wave with the wave received and then find the distance. That is why I need to know how to set my Vout in the lm the receiver end to know how to compare the two. StudentSA Member. I think I see what you are trying to do, You have a transmitter which uses a linear ramp to vary the ultrasonic transducers frequency. You now are trying to create a reciever that will respond to the recived frequency with a voltage. This voltage will be compared with the tranmitter linear ramp.

Okay so it sounds pretty simple However when you compare the signals they will never be EXACT, you will need to factor in some kind of error margin What will yo9u be using to compare the two signals? Thank you for your help. I'll probably use a subtractor circuit along the lines of the attached image. Also, off topic, would you recommend me to use and AGC or just amplify, filter, and then the subtractor and indicate the distance by a needle and tick marks basically like an analog voltmeter, but I'm open to suggestions here too?

Automatic Gain Control sounds complex Help me understand something Also how do you get distance by subtracting the two signals? I would think that distance was related to the phase differance between the two signals? Also what do you mean by you frequency is centred at 40kHz? You are the guy who tried to use a lousy old LM at 40kHz when it has trouble above 5kHz. Then you uses a TL but had its input biased too low. Similar threads C.