| CA3080 | Intersil | OTA, Operational Transconductance Amplifier, 2MHz |
| CA3080A | Intersil | OTA, Operational Transconductance Amplifier, Reduced Input Offset Voltage, 2MHz |
| CA3280 | Intersil | OTA, Operational Transconductance Amplifier, Dual, 9MHz |
| CA3280A | Intersil | OTA, Operational Transconductance Amplifier, Dual, 9MHz, Improved Input Characteristics |
| LM13700 | National Semiconductor | Dual Operational Transconductance Amplifier with Linearizing Diodes and Buffers |
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