Fairchild Semiconductor
Quad Operational Amplifier
Renesas Electronics
Dual, 4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output
First Silicon Co., Ltd
QUAD OPERATIONAL AMPLIFIER
ON Semiconductor
Quad Operational Amplifier
Intersil
Quad-Gated Inverting Power Driver For Interfacing Low-Level Logic to High Current Load
Samsung
QUAD OPERATIONAL AMPLIFIER
SANYO -> Panasonic
Preamplifier for Compact Cassette Recording-Only Use
Samsung
QUAD OPERATIONAL AMPLIFIER
Panasonic Corporation
Silicon planar type