1,259,013. Transistor amplifiers. SOC. ITALIANA TELECOMUNICAZIONI SIEMENS S.p.A. 10 April, 1969 [26 June, 1968], No. 18351/69. Heading H3T. A phase shifter comprises a bridge having two resistive arms R and two arms Z A , Z B comprising capacitors and resistors. The output is taken from across the two resistive arms and fed to a differential amplifier D which may be formed as an integrated circuit.
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机译：1,259,013。晶体管放大器。 SOC。 ITALIANA TELECOMUNICAZIONI SIEMENS S.p.A.，1969年4月10日[1968年6月26日]，第18351/69号。标题H3T。移相器包括具有两个电阻臂R和包括电容器和电阻器的两个臂Z A，Z B的电桥。从两个电阻臂的两端获取输出，并将其馈入可以形成为集成电路的差分放大器D。
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