XR-2209 Datasheet, PDF (11/20 Pages) Exar Corporation – Voltage-Controlled Oscillator

XR-2209
Figure 13 is a simplified configuration for operation with
split supplies in excess of +7V. This circuit eliminates the
diode D1 used in Figure 12 by grounding pin 5 directly;
however, the triangle wave output now has a +0.6V DC
offset with respect to ground.
V_CC
V_CC
C
1mF
R_L
12
V_{CC C1}
3
C 2 _SWO ⁷
XR-2209
8
TWO
BIAS ⁵
Square Wave
Output
Triangle Wave
Output
TR
V_EE
4
6
V_EE
R
1mF
V_EE
Figure 13. Split-Supply Operation, Simplified Configuration
Rev. 2.02
11