User manual
DBK7  4-Channel Frequency-To-Voltage Input Card 
Overview …… 2 
Hardware Setup …… 2 
Card Configuration …… 3 
Card Connection …… 7 
CE Compliance …… 8 
DaqBook/100 Series & /200 Series and DaqBoard [ISA type] Configuration …… 8 
DaqBook/2000 Series & DaqBoard/2000 Series …… 9 
Software Setup …… 9 
Hardware Function …… 9 
Input Signal Conditioning …… 9 
Edge Selection …… 11 
Debouncing …… 11 
Frequency Measurement …… 11 
D/A Conversion …… 12
Specifications - DBK7…… 13 
Reference Notes: 
o  Chapter 2 includes pinouts for P1, P2, P3, and P4. Refer to pinouts applicable to your 
system, as needed. 
o  In regard to calculating system power requirements, refer to DBK Basics located near 
the front of this manual. 
DBK Option Cards and Modules  879895  DBK7, pg. 1 










