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Thanks very much to all.
I get the intended result now, without much change to the hardware!
The last suggestion by Regnum (in combination with earlier suggestion by other) works out perfectly, at least I get the output.
Well I would like to try all the suggestion to experiment/learn how...
Hello Ian,
I tried to search the 'book' that you said, no luck. Is it a hard copy or it's a PDF available online?
Thanks. I appreciate your all your contribution so far.
To other who reply, your suggestion are great as well. Although I'm not able to confirm it now (hardware change is not...
In reply to VVV:
Actually I have a upper and lower limit for the duty cycle: 75% and 25%, respectively. After reading your post, I increase the upper limit to 80%, but it doesn't seem to improve anything.
By the way, I had recheck my circuit, seems unable to find anything wrongly.
Regarding...
How could I generate higher voltage with a PWM signal?
I had tried the following:
With PWM signal (93,750 kHz, 50% duty cycle, 5V) input to VPP_PUMP. If the VPP_FEEDBACK is lower, the PIC will increase the duty cycle, until the final output voltage reaches 13V. But when I turned on transistor...
GPIB controller chip
Can anyone recommend a GPIB controller chip?
I know only one: NEC D7210. But could not obtain the datasheet and Google search didn't give any result where I could obtain the chip as well. I hate Japanese part. Their documentation seems to be very very poor.
Now Microchip change C18 compiler demo policies.
It no longer a demo, instead it is "Student Edition". You can use it even after 60 days period expire.
lag lead filter circuit
Thanks very much for your reply.
Yes. You're correct.
I missed the the RL. Anyway I have no idea it should be on left side or right side. Let assume there is a RL there...either at left side or right side.
Yes I know it would be different in both cases. But could...
+---||---+
| |
0--+--VVVV--+--VVVV--0
0--------------------0 GND
Hello all,
Is this a kind of filter?
Could anyone please explain it? Any web reference would be highly appreciated.
Thanks.
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