BF1204,135 Datasheet



The BF1204,135 is a combination of two equal dual gate MOS-FET amplifiers with shared source and gate 2 leads. The source and substrate are interconnected. Internal bias circuits enable DC stabilization and a very good cross-modulation performance during AGC. Integrated diodes between the gates and source protect against excessive input voltage surges. The transistor has a SOT363 micro-miniature plastic package. BF1204,135 Features • Two low noise gain controlled amplifiers in a single package• Superior cross-modulation performance during AGC• High forward transfer admittance• High forward transfer admittance to input capacitance ratio. BF1204,135 Applications • Gain controlled low noise amplifiers for VHF and UHF applications with 3 to 9 V supply voltage, such as digital and analog television tuners and professional communications equipment.


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