Binary Counter (CB6139E)

This General Electric circuit is from the 80's. The PUTs used in this meter are not common components today.

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Divider by 2.5 (CB12441E)
This circuit is from a 1991 publication. It divides the frequency of a TTL signal applied to its...
Gyroscope with MEMS inertial sensor (CB12955E)
The circuit in the figure is suggested by ST Microelectronics (www.st.com) and consists of a...
MOSFET VHF Amplifier (CB4688E)
This MOSFET amplifier operating in the VHF range was found in an old American telecommunications...