XR8038 Datasheet, PDF (11/16 Pages) Exar Corporation – Precision Waveform Generator

XR-8038A
+15V
R_A
R_B
4
5
1 12 6
R_L
DCA1 DCA2 SA1 SA2 V_CC
C1
10 _{TC Timing}
Circuitry
Sine
Converter
2 ^{Sine Wave}
SWO
7 _FMBI
U1
3 ^{Triangle Wave}
TWO
8 _FMSI
Square Wave
Converter
9 ^{Square Wave}
SQO
FM
V_EE
XR-8038A
11
–15V
Figure 8. Frequency Modulator
+15V
C1
Sweep Voltage
V_CC - (V_SUP - 2)
< = V_IN & < = V_CC
R_A
R_B
4
5
1 12
6
DCA1 DCA2 SA1 SA2 V_CC
10
TC ^Timing
Circuitry
Sine
Converter
2
SWO
7 _FMBI
U1
3
TWO
8 _FMSI
V_EE
11
Square Wave
Converter
9
SQO
XR-8038A
R_L
Sine Wave
Triangle Wave
Square Wave
–15V
Figure 9. Frequency Sweep
Rev. 2.01
11