This circuit was obtained from a 1978 Practical Wireless. It generates a low frequency, low intensity rectangular signal and can be used as a good signal injector. The circuit is ultra low power and can be powered by a single battery for months.
This circuit was obtained from a 1978 Practical Wireless. It generates a low frequency, low intensity rectangular signal and can be used as a good signal injector. The circuit is ultra low power and can be powered by a single battery for months.