Philips Semiconductors
Product specification
Hex inverter
HEF4069UB
gates
(1) This inverter is added to amplify the
oscillator output voltage to a level
sufficient to drive other LOCMOS circuits.
Fig.8 Crystal oscillator for frequencies up to 10 MHz, using two HEF4069UB inverters.
Fig.9
Voltage gain (V
O
/V
I
) as a function of supply
voltage.
Fig.10 Supply current as a function of supply voltage.
It is also an example of an analogue
amplifier using one HEF4069UB.
Fig.11 Test set-up for measuring graphs of Figs 9
and 10.
January 1995
6
PHILIPS [ NXP SEMICONDUCTORS ]
