Voltage controlled oscillator, PLL circuit, pulse modulation signal generating circuit, semiconductor laser modulation device and image forming apparatus

• Main Authors: Ishida, Masaaki, Nihei, Yasuhiro, Omori, Atsufumi, Ozasa, Dan
• Format: Patent
• Language: English
• Published: 15.07.2008

An oscillation frequency control part includes a voltage-to-current converting circuit converting an input voltage to a current having a value corresponding to the input voltage, and outputting a current in proportion to the current obtained from the voltage-to-current converting circuit. An oscilla...