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TQL9048 Datasheet(PDF) 4 Page - TriQuint Semiconductor |
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TQL9048 Datasheet(HTML) 4 Page - TriQuint Semiconductor |
4 / 10 page TQL9048 High Linearity Gain Block with Shutdown Advanced Data Sheet: Rev D 12-13-13 - 4 of 10 - Disclaimer: Subject to change without notice © 2013 TriQuint www.triquint.com TQL9048-PCB Evaluation Board C3 J4 J3 C4 R2 U1 C6 C5 J5 C1 C2 Q1 J2 RF Output J4 GND J3 VDD 2 1,3,4,5,8 7 J1 RF Input L1 68 nH (0603) C2 33 pF C1 33 pF C3 100 pF C4 1 uF R2 0 Ω J5 PD 6 Notes: 1. See Evaluation Board PCB Information section for material and stack-up. 2. R3 (0 Ω jumper) is not shown on the schematic and may be replaced with copper trace in the target application layout. 3. All components are of 0402 size unless stated on the schematic. 4. C1 is a critical parameter that effects switching speed. Smaller capacitor values will give quicker response. 5. C2, and C3 are non-critical values. The reactive impedance should be as low as possible at the frequency of operation for optimal performance. 6. The L1 value is non-critical and needs to provide high reactive impedance at the frequency of operation. 7. R2 is optional and do not need to be loaded if the shut-down functionality is not needed; i.e. FDD applications. If R2 is not loaded, the LNA will operate in its standard “ON” state. 8. A through line is included on the evaluation board to de-embed the board losses. Bill of Material − TQL9048-PCB_RF Reference Des. Value Description Manuf. Part Number N/A N/A Printed Circuit Board TriQuint N/A U1 N/A High Linearity Gain Block TriQuint TQL9048 R1 N/A Do not load N/A N/A R2 0 Ω Resistor, Chip, 0402, 5%, 1/16W various various R3 0 Ω Resistor, Chip, 0402, 5%, 1/16W various various L1 68 nH Inductor, 0603, 5%, Ceramic various various C4 1.0 uF Cap., Chip, 0402, 10%, 10V, X5R various various C1 , C2, C5, C6 33 pF Cap., Chip, 0402, 5%, 50V, NPO/COG various various C3 100 pF Cap., Chip, 0402, 5%, 50V, NPO/COG Various various See note 7. Resistor is not needed if shut-down functionality is not used. |
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