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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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In Reply to: Wenzel 10M oscillator with 50 ohm SMA(f) as Master Clock posted by bssk on July 8, 2015 at 17:22:39:
Hi,
> Can I use an ultra low noise oscillator such as
> Wenzel 10 MHz - SC Blue Top Ultra Low Noise Oscillator
> (http://www.wenzel.com/wp-content/parts/501-28227.pdf)
> with 50 ohm BNC/SMA(f) outputs as a master clock to Mutec
> MC-3+ (http://www.mutec-net.com/product_mc-3-plus.php)
> which has a 75 ohm BNC WLCK IN.
No. Wordclock in requires 44.1kHz or similar audio clocks.
It seems the Mutec Clock can accept 10MHz via the same input though.
> Does connecting a 50 ohm BNC clock output to a 75 ohm WLCK IN
> cause reflections, this adding jitter?
Yes it will. Though I would not loose sleep, you can always add an attenuator (50 Ohm) which will correctly terminate the cable.
I rather doubt that you will gain any real benefit from doing this, even if this Clock can re-clock the incoming Data-stream and re-output it (which I cannot quite work out from the webpages). The key limitation is the SPDIF/AES-EBU input circuitry in your DAC.
Thor
At 20 bits, you are on the verge of dynamic range covering fly-farts-at-20-feet to intolerable pain. Really, what more could we need?
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Follow Ups
- RE: Wenzel 10M oscillator with 50 ohm SMA(f) as Master Clock - Thorsten 04:41:59 07/09/15 (2)
- RE: Wenzel 10M oscillator with 50 ohm SMA(f) as Master Clock - bssk 10:36:31 07/10/15 (1)
- RE: Wenzel 10M oscillator with 50 ohm SMA(f) as Master Clock - Thorsten 09:57:40 07/12/15 (0)
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