Joachim Gerhard Filter Buffer for ES9022 - Page 11 - diyAudio
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Old 3rd August 2012, 09:03 AM   #101
massimo is offline massimo  Italy
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Join Date: Dec 2002
Location: Milan, Italy
Quote:
Originally Posted by EUVL View Post
Is it important whether it is 0805 or 0603 ?
No, with std pads we can fit 0805 in lieu of 0603, Just a little bit more difficult
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Old 3rd August 2012, 09:04 AM   #102
EUVL is offline EUVL  Europe
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Or vice verse....
Smaller caps has higher resonance frequencies.


Patrick
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Old 3rd August 2012, 01:54 PM   #103
EUVL is offline EUVL  Europe
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People sent me PMs asking for BoM.

Since the two most critical passives are know, we'll publish the rest so that you can also organise GBs if you wish :

BoM for one PCB

4x 10R 0.5% SMD 0805 Digikey RR12Q10DCT-ND
6x 100R 0.5% SMD 0603 Digikey RR08P100DCT-ND
2x 0R SMD 0603 Digikey P0.0GCT-ND
2x 10k 0.5% SMD 0603 Digikey RR08P10.0KDCT-ND
2x 470R 0.5% SMD 0805 Digikey RR12P470DCT-ND

4x 220µF 25V Digikey P10271-ND
2x 150pF 16V PPS SMD 0603 Digikey PCF1461CT-ND

2x 18mH 5%, matched to 1% Mouser 434-02-183J


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Old 5th August 2012, 08:18 PM   #104
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I wonder if it would be possible to get those parts from mouser? I could probably do a parts kit when I'm doing the inductors anyway?


I'll have to buy my own anyway...


Whenever you close this GB, I'll leave the inductor GB open a week longer to catch any stragglers.


Fran
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Old 5th August 2012, 08:23 PM   #105
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Location: Lyon
Mousers Refs :
10R - 754-RR1220Q-100D
100R - 754-RR0816P-101D
0R - 667-ERJ-3GEY0R00V
10K - 754-RR0816P-103D
470R - 754-RR1220P-471D
220uF/25v - 667-EEU-FC1E221
150pF/16v - 667-ECH-U1C151JX5

Phil
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Old 6th August 2012, 07:41 AM   #106
EUVL is offline EUVL  Europe
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Running total 72.
We shall close Thursday evening.


Thanks,
Patrick
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Old 7th August 2012, 04:20 AM   #107
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I'm in.... Patrick...

I've been quite long do not check DIYAudio forum..., is there still the group buy run for your ES9022 DAC? Also, would it be good if I bypass the SPDI/F receiver and feed in I2S directly from async USB-I2S converter, or do you still recommend to use the 8804 receiver first?
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Old 7th August 2012, 04:39 AM   #108
EUVL is offline EUVL  Europe
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I recommend you use I2S direct. Don't use spdif if you can avoid it.
There is no GB for the 9022 module. All individual requests.
Please send me a PM.


Patrick
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Old 7th August 2012, 07:59 AM   #109
APK is offline APK  United Kingdom
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Just amended my order

Shaman 1x EU
MisterRogers 1x USA
jean-paul 1x EU
unixdeveloper 1x USA.
buzzforb 2x USA
touchdown 1 x EU (Italia)
guglielmope 1 x EU (Italia)
SYKLAB 1x HK
pchw 2x USA
Acko 2x Australia
Dane 2x USA
GaryB 1x USA
shoom 1x EU-UK
Jolojl 1x EU-SWE
jonners 1X EU
ccliu 2x TW
jj506 4x TW
necplusultra 1x canada
leejh 3x KOR
steve jones 1x USA
Greg Stewart 1x USA
hochopeper 1x Australia
palmito 1x USA
cyteen 1x UK
vitalica 2 x EU
ryanj 1 x Australia
Cloud85 2x singapore
APK 8 x UK
CeeVee 2 X Portugal
woodturner-fran 2x EU
diy_calderon 1x USA
ginum 2x EU
JBdV 2X EU
aud1out 1x canada
tome 1x Europe (Macedonia)
schuhbu 2x EU
vanofmonks 1x USA
audionootje 1x EU
Reima 2x USA
CFT 1x HK
Lutto 4x EU
korben69 1x EU
whmok 2x Singapore
jacek_k_wawa 2x EU
grufti 2x USA
dw1narso 2x Indonesia
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Old 7th August 2012, 05:24 PM   #110
EUVL is offline EUVL  Europe
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Running total 78.




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