OSCILLATOR

• Main Author: MITSUNAKA TAKESHI
• Format: Patent
• Language: English; Japanese
• Published: 24.08.2015
• Subjects: BASIC ELECTRONIC CIRCUITRY; ELECTRICITY; GENERATION OF NOISE BY SUCH CIRCUITS; GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING,BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN ANON-SWITCHING MANNER

PROBLEM TO BE SOLVED: To provide a multiphase output oscillator capable of outputting a set of an even number of electric signals having an accurate phase difference and the same amplitude.SOLUTION: A voltage controlled oscillator (1) includes: a plurality of differential circuits (11 to 14) which are connected in a loop state by signal lines (21a to 24a, 21b to 24b) having equal length, which output electric signals having different phases, and which include the same structure; and output terminals (31a to 34a, 31b to 34b) which are connected to the respective differential circuits through the signal lines. 【課題】正確な位相差と、同一の振幅とを有する偶数個の電気信号の組を出力できる多相出力発振器を提供する。【解決手段】電圧制御発振器（１）は、等しい長さの信号線（２１ａ〜２４ａ・２１ｂ〜２４ｂ）によってループ状に接続され、位相が異なる電気信号を出力し、かつ、同一の構成を備えた複数の差動回路（１１〜１４）と、該信号線によって各差動回路に接続された出力端子（３１ａ〜３４ａ・３１ｂ〜３４ｂ）とを備える。【選択図】図１