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- From: ulan@ee.ualberta.ca (Dale Ulan)
- Newsgroups: sci.electronics
- Subject: Re: NTSC sync rate questions
- Message-ID: <ulan.726814432@ee.ualberta.ca>
- Date: 12 Jan 93 04:53:52 GMT
- References: <fXQx2bD@quack.sac.ca.us>
- Sender: news@kakwa.ucs.ualberta.ca
- Organization: University Of Alberta, Edmonton Canada
- Lines: 26
- Nntp-Posting-Host: bode.ee.ualberta.ca
-
- mrapple@quack.sac.ca.us (Nick Sayer) writes:
-
- >It's my understanding that the vertical retrace rate of NTSC is 60 Hz,
- >and that it is interlaced, yielding 30 pictures per second. But the
- >monitor says 55-90 Hz vertical sync rate. That sounds compatable
- >to me.
-
- Yes, that's good.
-
- >It's my understanding that the horizontal retrace rate of NTSC is
- >14 kHz. The monitor says that its acceptable range is 27-79 kHz.
- >Now 14 x 2 is 28, but am I reading too much into that coincidence?
- >Am I wrong about the NTSC horizontal rate? Or is NTSC too low-res
- >for such a fine monitor to deign to display? :-)
-
- This is not good... The NTSC horiz scan rate is 15.7 kHz, which is
- out of the range of the monitor.
-
- >--
- >Nick Sayer <mrapple@quack.sac.ca.us> | "Turn around. Stick it out.
- >N6QQQ @ N0ARY.#NOCAL.CA.USA.NOAM | Even white boys got ta shout:
- >+1 408 249 9630, log in as 'guest' | Baby got back!"
- >PGP 2.1 public key on request | -- Sir Mixalot
-
- -----
- Dale Ulan VE6DAU ulan@ee.ualberta.ca Computer Eng. Undergrad
-