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2. Open collector - Wikipedia

   en.wikipedia.org/wiki/Open_collector

   For an NPN open emitter output, the collector is connected to the positive voltage rail, so the emitter outputs a high voltage when the transistor is on and is hi-Z when off. For a PNP open emitter output, the collector is connected to the low voltage supply, so the emitter outputs a low voltage when the transistor is on and is hi-Z when off.

3. Integrated injection logic - Wikipedia

   en.wikipedia.org/wiki/Integrated_injection_logic

   The heart of an I2L circuit is the common emitter open collector inverter. Typically, an inverter consists of an NPN transistor with the emitter connected to ground and the base biased with a forward current from the current source. The input is supplied to the base as either a current sink (low logic level) or as a high-z floating condition ...

4. Wired logic connection - Wikipedia

   en.wikipedia.org/wiki/Wired_logic_connection

   Open-collector buffers connected as wired AND. The wired AND connection is a form of AND gate. When using open collector or similar outputs (which can be identified by the ⎐ symbol in schematics), wired AND only requires a pull up resistor on the shared output wire. In this example, 5V is considered HIGH (true), and 0V is LOW (false).

5. Common collector - Wikipedia

   en.wikipedia.org/wiki/Common_collector

   The transistor continuously monitors V diff and adjusts its emitter voltage to equal V in minus the mostly constant V BE (approximately one diode forward voltage drop) by passing the collector current through the emitter resistor R E. As a result, the output voltage follows the input voltage variations from V BE up to V +; hence the name ...

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7. Holiday Stress & Anxiety: 6 Ways to Cope

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   Holiday Stress and Anxiety: 6 Ways to Cope. The holiday season is often called the most wonderful time of the year — but for many, it can actually be the most stressful time of year.

8. US prosecutors seek pause in Trump documents appeal - AOL

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   U.S. prosecutors asked a federal appeals court on Wednesday to pause their bid to revive the criminal case accusing President-elect Donald Trump of illegally handling classified documents, citing ...

9. Costco membership growth 'robust,' even amid fee increase ...

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   More shoppers came to Costco stores in the three months ending Nov. 24, just days ahead of Black Friday. The company saw sales up 7.5% over last year.