LM148J/883 National Semiconductor, LM148J/883 Datasheet - Page 12

• Manufacturer Part Number: LM148J/883
• Description: IC,Operational Amplifier,QUAD,BIPOLAR,DIP,14PIN,CERAMIC
• Manufacturer: National Semiconductor

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Typical Applications—LM149
For stability purposes: R7 = R6/4, 10R6 = R5, C
f
Better Q sensitivity with respect to open loop gain variations than the state variable filter.
R7, C
O(MAX)
C
, Q
added for compensation
Minimum Gain to Insure LM149 Stability
MAX
= 20 kHz, 10
C
= 10C
Non-inverting-Integrator Bandpass Filter
DS007786-16
12
The LM149 as a Unity Gain Inverter
DS007786-18
DS007786-17