Voltage-current converting circuit

A voltage-current converting circuit comprising:

• at least three input transistors applied at the bases with a multiphase voltage and connected at the collectors to respective output terminals;
• current sources of the same number as said input transistors and connected to the emitters of said input transistors;
• and
• voltage-current converting means including a plurality of .DELTA.-connection resistors, each of said resistors being connected between the emitters of two adjacent input transistors,
• the emitters of said input transistors being respectively connected through the collector-emitter paths of a cross-coupled group of transistors to ends of the resistors, the base of one transistor being connected to the collector of another transistor in said cross-coupled group of transistors.

A voltage-current converting circuit comprising:

• at least three input transistors, the bases of said transistors receiving a multiphase voltage, the collectors of said transistors being connected to respective output terminals, and the emitters of said transistors being respectively connected to their own bases through voltage follower circuits;
• voltage current converting means including a plurality of Y-connection resistors, each of said resistors having one end connected to a respective one of the emitters of said input transistors, with the other end of said resistors being connected together;
• and
• current sources of the same number as said input transistors and connected to the emitters of said input transistors, respectively.

A voltage-current converting circuit comprising:

• at least three input transistors applied at the bases with a multiphase voltage and connected at the collectors to respective output terminals;
• current sources of the same number as said input transistors and connected to the emitters of said input transistors;
• and
• voltage-current converting means including a plurality of Y-connection resistors, each of said resistors having one end connected to a respective one of the emitters of said input transistors with the other ends of said resistor being connected together,
• the emitters of said input transistors being respectively connected through the collector-emitter paths of a cross-coupled group of transistors to ends of the resistors, and the base of one transistor being connected to the collector of another transistor in the cross-coupled group of transistors.