LM359
SNOSBT4C –MAY 1999–REVISED MARCH 2013
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Table 1. DC Biasing Equations for V01(DC) ≃ V02(DC) ≃V+/2
Type I
Type II
Type III
Table 2. Analysis and Design Equations
Type
VO1
BP
HP
VO2
LP
Ci
O
Ri2
Ri2
∞
Ri1
∞
fo
Qo
fZ(notch)
Ho(LP)
R/Ri2
—
Ho(BP)
RQ/Ri2
Ho(HP)
—
Ho(BR)
I
1/2πRC
1/2πRC
RQ/R
RQ/R
—
—
—
—
II
BP
Ci
∞
RQCi/RC
Ci/C
Notch/
BR
III
—
Ci
∞
Ri1
1/2πRC
RQ/R
1/2π√RRiCCi
—
—
—
V2 output is TTL compatible
R2 adjusts for symmetry of the triangle waveform
Frequency is adjusted with R5 and C
Figure 53. Triangle Waveform Generator
26
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