TLV3501: 6 MHz Sine Wave signal Generator Circuit

Hi Karthick,

Making a clean sine wave is not simple.

A comparator will not generate a sine wave - a square or maybe a triangle/sawtooth, but not a sine.

For low frequencies, op-amp based oscillators can be made:

https://www.ti.com/lit/an/sloa060/sloa060.pdf

https://www.ti.com/lit/an/sloa278/sloa278.pdf

https://www.nutsvolts.com/magazine/article/seven-common-ways-to-generate-a-sine-wave

To get a sine-ish wave, multiple pole RC or LC filters can be placed on the square wave output.

In the >1MHz range, LC tuned or crystals are used.

Oscillator theory is beyond the scope of these forums. There are some simple 1 transistor circuits out there. 

I would recommend starting here:

https://en.wikipedia.org/wiki/Electronic_oscillator#LC_oscillator

One hint is to search for "40 Meter VFO". "40 Meters" is the 7MHz ham radio band, and the 7MHz VFO circuits are easily modified for 6MHz (increase the value of the inductor).