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0-5V 10Khz Analog Modulation?
I've never worked with analog modulation before - only TTL "blanking".
I recently received a laser that had an analog modulation connector that was marked 0-5v 10Khz - is this PWM? I always thought analog was truly analog.
The TTL port is marked at 30Khz, so I'm not entirely sure how this works.
I've written to the manufacturer (China) but not received a response yet.
Steve
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No, the analog modulation port is most likely analog, true analog, not PWM.
It will accept an input from 0V to 5V with a response of 10kHz. Fully proportional, although linearity may be questionable...
This space for rent.
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ah the man i tried to contact not so long ago about a laser harp.
do you not pick emails up via your web site?
Eat Sleep Lase Repeat
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It is analog, not PWM. The specified frequency is how fast it can be modulated. However, as you'll see if you monitor the output with a photodiode and oscilloscope the number given by chinese manufacturers is definitely not an absolute truth. Just like their Mē values, they don't actually measure this, so take the specifications with a grain of salt.
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Thanks for the response - that's what I thought.
Emails via the website - I try very hard to, but sometimes things get lost...
What was your question (hijacking my own thread)
Steve
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