This NEC commercial amplifier was manufactured in Japan in the 1960s. The circuit uses 4 transistors from the time and was powered by a 9 V battery voltage formed by large batteries.
This circuit was found in the magazine of radio amateurs 73 in a 90's edition. The components are...
This circuit generates pulses at a frequency that can be adjusted by a potentiometer. The circuit is...
Chinese 基本信息 > 出版社: 科学 (2007年4月1日) 平装 语种: 简体中文 ISBN: 7030186605 条形码: 9787030186607 品牌: 博库 ASIN:...