Philips Semiconductors
24-stage frequency divider and oscillator
Product specification
HEF4521B
MSI
Fig.9 Test set-up for measuring forward transconductance gfs = dio/dvi at vo is constant (see also graph Fig.10).
A: average,
B: average + 2 s,
C: average − 2 s, in which: ‘s’ is the observed standard deviation.
Fig.10 Typical forward transconductance gfs as a function of the supply voltage at Tamb = 25 °C.
January 1995
10