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BF1105 Datasheet(PDF) 2 Page - NXP Semiconductors |
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BF1105 Datasheet(HTML) 2 Page - NXP Semiconductors |
2 / 16 page 1997 Dec 02 2 Philips Semiconductors Product specification N-channel dual-gate MOS-FETs BF1105; BF1105R; BF1105WR FEATURES • Short channel transistor with high forward transfer admittance to input capacitance ratio • Low noise gain controlled amplifier up to 1 GHz. • Internal self-biasing circuit to ensure good cross-modulation performance during AGC and good DC stabilization. APPLICATIONS • VHF and UHF applications with 5 V supply voltage, such as television tuners and professional communications equipment. DESCRIPTION Enhancement type N-channel field-effect transistor with source and substrate interconnected. Integrated diodes between gates and source protect against excessive input voltage surges. The BF1105, BF1105R and BF1105WR are encapsulated in the SOT143B, SOT143R and SOT343R plastic packages respectively. PINNING PIN DESCRIPTION 1 source 2 drain 3 gate 2 4 gate 1 Fig.1 Simplified outline (SOT143B). BF1105 marking code: NEp. page Top view MSB014 2 1 3 4 Fig.2 Simplified outline (SOT143R). BF1105R marking code: NAp. handbook, 2 columns Top view MSB035 1 2 4 3 Fig.3 Simplified outline (SOT343R). BF1105WR marking code: NA. alfpage Top view MSB842 21 4 3 QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT VDS drain-source voltage −− 7V ID drain current −− 30 mA Ptot total power dissipation Tamb ≤ 80 °C −− 200 mW yfs forward transfer admittance 25 31 − mS Cig1-ss input capacitance at gate 1 − 2.2 2.7 pF Crss reverse transfer capacitance f = 1 MHz − 25 40 fF F noise figure f = 800 MHz − 1.7 2.5 dB Xmod cross-modulation input level for k = 1% at 40 dB AGC 100 −− dB µV Tj operating junction temperature −− 150 °C CAUTION This product is supplied in anti-static packing to prevent damage caused by electrostatic discharge during transport and handling. For further information, refer to Philips specs.: SNW-EQ-608, SNW-FQ-302A and SNW-FQ-302B. |
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Descripción similar - BF1105 |
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