| 摘要 |
PURPOSE:To realize low power consumption and high-speed operation by providing power source dependency matching with the power source dependency that an NTL (nonthreshold logical) circuit as an input buffer has as the reference voltage of an ECL circuit which receives a signal from the NTL circuit. CONSTITUTION:The ECL gate circuit which operates with a small signal amplitude and the NTC circuit which receives the input signal which normally has a small signal amplitude and is supplied externally are included, and the power source dependency matching with the source voltage dependency of the signal of the NTL circuit is provided as the reference voltage of the ECL gate circuit. The NTL circuit includes a transistor (TR) Q1 as an input TR in differential relation with a TRQ2, and a feedback signal is applied to the base of the other TRQ2. Then, feedback resistances R4 and R5 generating a feedback signal to be supplied to a load and the base of the TRQ2 are provided to the emitter of the output TRQ3. Then, the TRQ3 sends out an input signal to the ECL gate circuit. |
