What do you mean by V? output voltage? It should be at least 2V (or more).
What should I use for the second load if I use differential mode? A resistor?
Yeah. I tried to add an transistor amplifier (2N2222) but since it's fT is around 250 MHz, I couldn't get a amplified voltage (@ 100 MHz and Vcc of the amplifer circuit is 5V) to input to 74F14 Schmitt trigger. However, I didn't try it for differential mode. I ordered a transistor with higher fT (9 GHz) and I have to wait until it delivered to me. probably until next week.
But I need a much quicker solution for this.
Can you explain more about this?
If I changed the C2 or C3 capacitor values, can I see a better output voltage than this? (R1 & R2 should be connected each other and also C2, though they are not connected in schematic I posted in the first posted, and should be corrected as follows)
**broken link removed**