ADG904 IC availability

Discussion about this major DATV Project. See https://wiki.batc.org.uk/The_Portsdown_Transmitter
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G3UKV
Posts: 19
Joined: Fri May 12, 2017 6:19 pm

ADG904 IC availability

Post by G3UKV » Thu Feb 01, 2018 11:47 am

This chip, the ADG904BRUZ (not the unsuitable -R version) has been on back order for several months from the usual suppliers. I have finally sourced a couple from Arrow Electronics in the USA.
73 Martyn G3UKV
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MN-tech
Posts: 59
Joined: Thu Aug 30, 2012 6:01 pm

Re: ADG904 IC availability

Post by MN-tech » Thu Feb 01, 2018 4:55 pm

Digi_Key is showing 284 ADG904BRUZ-ND in stock.
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gi3vaf
Posts: 11
Joined: Thu Apr 05, 2018 6:01 pm

Re: ADG904 IC availability

Post by gi3vaf » Mon Apr 09, 2018 7:05 pm

'R' (reflective version) is not suitable for the LO Filter. Will the R version work with the RF Output Switch?
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gi3vaf
Posts: 11
Joined: Thu Apr 05, 2018 6:01 pm

Re: ADG904 IC availability

Post by gi3vaf » Wed Apr 11, 2018 10:26 pm

Just bought one from Arrow - free postage on small orders
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gordon
Posts: 27
Joined: Sun Jan 21, 2018 6:52 pm

Re: ADG904 IC availability

Post by gordon » Tue Apr 24, 2018 3:24 pm

Farnell have 59 in stock as of 10 minutes ago although I am considering using 2 of the R series back-to-back for another project.

Gordon
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g4eml
Posts: 686
Joined: Thu Apr 26, 2018 9:36 am

Re: ADG904 IC availability

Post by g4eml » Thu Apr 26, 2018 9:49 am

I tried to order one from Farnell only last week and it was put on back order with a delivery estimate of 6 months! Then this week it arrived unexpectedly. I can only assume my backorder triggered something and they managed to find some more stock. I have had this happen before with Farnell, I suspect they do not always start the restocking process until there are back orders.
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