That Corp사의 Op-amp

SSL사의 콘솔 및 컴프레서 제품들이 사용하는 Op-amp.

FEATURES

• Wide dynamic range
• Wide gain range
• Exponential (linear dB) gain control
• Low distortion : 0.0025 % (2181A), 0.005 % (2181C)
• Wide gain-bandwidth
• Dual gain-control ports (pos/neg)
• Pin-compatible with 2150-series

APPLICATIONS

• Faders
• Panners
• Compressors
• Expanders
• Equalizers
• Filters
• Oscillatorsfiller
• Audio consoles
• Automation systems
• Automatic mixers
• Teleconferencing systems
• Exponentially voltage-controlled current sources

http://www.thatcorp.com/2181-series_Trimmable_Blackmer_IC_Voltage-Controlled_Amplifiers.shtml