http://www.Datasheet4U.com .
BB304 - Silicon Epitaxial Planar Dual Capacitance Diodes
BB304A - Silicon Variable Capacitance Diode (For FM tuners Monolithic chip with common cathode for perfect tracking of both diodes)
BB304M - Build in Biasing Circuit MOS FET IC UHF/VHF RF Amplifier
BB304C - Build in Biasing Circuit MOS FET IC UHF RF Amplifier