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BF1208D View Datasheet(PDF) - Philips Electronics

Part Name
Philips Electronics Philips
BF1208D Datasheet PDF : 22 Pages
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Dual N-channel dual gate MOSFET
Rev. 01 — 16 May 2007
Product data sheet
1. Product profile
1.1 General description
The BF1208D is a combination of two dual gate MOSFET amplifiers with shared source
and gate2 leads and an integrated switch. The integrated switch is operated by the gate1
bias of amplifier B.
The source and substrate are interconnected. Internal bias circuits enable
DC stabilization and a very good cross modulation performance during Automatic Gain
Control (AGC). Integrated diodes between the gates and source protect against excessive
input voltage surges. The transistor has a SOT666 micro-miniature plastic package.
This device is sensitive to ElectroStatic Discharge (ESD). Therefore care should be taken
during transport and handling.
1.2 Features
I Two low noise gain controlled amplifiers in a single package. One with a fully
integrated bias and one with a partly integrated bias
I Internal switch to save external components
I Superior cross modulation performance during AGC
I High forward transfer admittance
I High forward transfer admittance to input capacitance ratio
1.3 Applications
I Gain controlled low noise amplifiers for VHF and UHF applications with 5 V supply
N digital and analog television tuners
N professional communication equipment

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