Differential Amplifier の変更点

• 追加された行はこの色です。
• 削除された行はこの色です。
• Differential Amplifier へ行く。
• Differential Amplifier の差分を削除

* Differential Amplifier [#xa66c2ee]
** Circuit diagram [#je2e27e0]
#ref(DifferentialAmplifier.png,,20%);

** Implementation [#x679b45a]
- Differential Amplifier which multiply the differential signal by factor of 360
- Designed to be used for Geophone preamps, but eventually not used because it's too noisy 
- Please feel free to use this amp without asking me
- Please feel free to use this amp 

** Design [#d61478c5]
- designed by S Takano in Sep. 2018 based on LIGO's Geophone preamp

** Noise [#gd368774]
#ref(DiffAmp_noise.png,,30%);