{"title":"more on Kaneda #168","author_name":"kazumasamurai","width":"100%","blog_title":"kazumasamurai\u2019s diary","published":"2007-05-13 00:00:00","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkazumasamurai.hatenadiary.org%2Fentry%2F20070513\" title=\"more on Kaneda #168 - kazumasamurai\u2019s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","height":"190","url":"https://kazumasamurai.hatenadiary.org/entry/20070513","description":"I will write about more details on opamp based on Kaneda\u2019s #168 preamp, and its modification.The original amplifier consists of discrete OPAmp (described later), -20dB attenuator (2 registers) at input, and feedback circuit (50KR volume (A-curve) plus 1KR). The output impedance of the OPAmp is very \u2026","categories":[],"blog_url":"https://kazumasamurai.hatenadiary.org/","author_url":"https://blog.hatena.ne.jp/kazumasamurai/","provider_url":"https://hatena.blog","image_url":null,"version":"1.0","provider_name":"Hatena Blog"}