This amplifier, from Philips Databook is suitable for automotive applications. The input resistance is 60k ohms and the frequency range is 20 to 20 kHz.
This flasher was found in an old Hands On, but uses common components. The optocoupler can be...
The LM12 is a high-power operational amplifier capable of providing a 4 A output current with a 40...
The circuit presented was found in the Linear Applications Handbook of the National Semiconductoir of 1994....