White papers

Grimm's Recipes - Background information about our design philosophy

DSD faq - Answers to questions about DSD that we were frequently asked

Grimm Testinstruments - Introducing our homegrown measurement equipment

PLL and Clocking - A tutorial on PLL's and their influence on jitter

Slave to the Rhythm - PLL and clock basics without the math.


AES and IBC publications

Discrete AD converter - Bruno's paper of 2003 that started the whole company

Jitter specification - A paper of 2004 by Bruno Putzeys about how to specify clock jitter magnitude

Balanced building blocks - In this 2004 paper Bruno Putzeys describes a fully differential op amp

Peak and LKFS Loudness Levels - Eelco Grimm is a member of the EBU p/loud committee that will set a EU standard for broadcast loudness levels. This 2008 paper presents the result of research into the current use of dynamic range by EU broadcasters.


 

Other publications

Supply decoupling - An article by Guido Tent on the subject of supply decoupling on pcb's that has been published by Hifi World in 1998

Jitter discovery - Peter van Willenswaard is quoted as the first person to publish about the influence of jitter in the international audio press: Stereophile 1988

DSD for consumers - Another first for Peter, writing about DSD for consumer use in 1997


Third party publications

SDIF3 standard - The official DSD interfacing standard as described by Sony. Mark the maximum length difference between data and clock cables of 1 m.


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