Generating Identical Voltage Signals w/ a BJT Circuit

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SUMMARY

The discussion focuses on generating two identical voltage signals using a BJT circuit. The simplest method proposed is a bootstrapped-emitter follower circuit, which ensures that no current flows through the feedback resistor, resulting in identical signals in both phase and amplitude. An alternative mentioned is a split load phase inverter, which, while effective, produces signals that are out of phase and have slightly different output impedances. The gain in the phase inverter configuration is noted to be less than unity due to the emitter resistance.

PREREQUISITES
  • Understanding of BJT (Bipolar Junction Transistor) operation
  • Knowledge of bootstrapped-emitter follower circuit design
  • Familiarity with split load phase inverter configurations
  • Basic concepts of voltage signal generation and impedance
NEXT STEPS
  • Research BJT bootstrapped-emitter follower circuit design techniques
  • Study the principles of phase inversion in BJT circuits
  • Explore the impact of emitter resistance on gain in BJT configurations
  • Learn about output impedance calculations for BJT circuits
USEFUL FOR

Electronics engineers, circuit designers, and students interested in BJT circuit applications and voltage signal generation techniques.

jordan.nc
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Hi guys..how do u generate two identical voltage signals using the simplest BJT circuit?appreciate any help...
 
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Do you mean two identical voltage signals that are out of phase by any chance? In that case the simplest circuit using a BJT would probably be a split load phase inverter where both the collector resistor and emitter resistor are equal. The gain will be a little less than unity though because of the emitter resistance, and the output impedances will be different, the zout at the collector will be approximately the collector load resistance, and the zout at the emitter will be the source impedance divided by the transistor beta +1.
 
well i wanted two identical voltage signals..identical in phase and amplitude...i kinda figured it...used a bootstrapped-emitter follower circuit...no current flows thru the feedback resistor...so identical signals can be obtained...
 

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