narshben
Newbie level 3
- Joined
- Jan 6, 2011
- Messages
- 4
- Helped
- 0
- Reputation
- 0
- Reaction score
- 0
- Trophy points
- 1,281
- Location
- Shenzhen, China
- Activity points
- 1,315
I want to generate a 10MHz square wave with Tr/Tf less than 2ns(or is this demand seems very odd? But it's really in need). The solutions all i could imagine now is:
1. use of a TCXO or the like, i checked several oscillator supplier's data sheet, the Tr/Tf is all around 10ns with a oscillating frequency of 10MHz.
2. use of a oscillator without tr/tf considered, then let the output go through a Schmidt Trigger or logic gate/Inverter ? I have little confidence about this method as i know little about the mechanism a signal passes the digital gate.
3. use a ring oscillator comprising crystal, fast inverters?
Could man have such expertise give me some tips/considerations in designing or other superior method?
1. use of a TCXO or the like, i checked several oscillator supplier's data sheet, the Tr/Tf is all around 10ns with a oscillating frequency of 10MHz.
2. use of a oscillator without tr/tf considered, then let the output go through a Schmidt Trigger or logic gate/Inverter ? I have little confidence about this method as i know little about the mechanism a signal passes the digital gate.
3. use a ring oscillator comprising crystal, fast inverters?
Could man have such expertise give me some tips/considerations in designing or other superior method?