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Transcript
TQM879008 2.3-2.7GHz ½ W Digital Variable Gain Amplifier J3-19 J3-20 NC GND GND Vcc_AMP3 GND GND GND J3-18 Vcc_AMP J3-17 J3-16 J3-14 J3-15 J3-13 J3-12 GND GND LE J3-11 GND GND DATA GND GND SPI_Vcc Vcc_AMP1/ AMP2 CLK J3-10 J3-9 J3-8 J3-7 J3-6 J3-5 J3-4 J3-3 J3-2 GND SPI_Vcc J3-1 Application Circuit (TQM879008-PCB) Notes: 1. For PCB Board Layout, see page 9 for more information. 2. All Components are of 0603 size unless stated otherwise. 3. For SPI Timing Diagram, see page 6. 4. 0 Ω jumpers may be replaced with copper traces in the target application layout. 5. Different ground pins are used for SPI (digital) and analog supply voltages. 6. The primary RF microstrip characteristic line impedance is 50 Ω. 7. The single power supply is used to provide supply voltage to AMP1, AMP2 and AMP3. Bill of Material: TQM879008-PCB Reference Desg. Value U1 Description Manufacturer Part Number 2.3 – 2.7 GHz DVGA TriQuint TQM879008 C8 0.1 uF Cap, Chip, 0603, 16V, X7R, 10% various C4 10 uF Cap, Chip, 0603, 6.3V, X5R, 20% various C1, C2, FB1, FB2 0Ω Res, Chip, 0603, 1/16W, 5% various Advanced Data Sheet: Rev B 11/08/11 - 3 of 11- Disclaimer: Subject to change without notice www.BDTIC.com/TriQuint/ © 2011 TriQuint Semiconductor, Inc. Connecting the Digital World to the Global Network®
