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RF Port Impedance Data, Matching, and External Component Selection for the ADF7020-1

This application note describes the RF port impedance models of the power amplifier (PA) and low noise amplifier (LNA) of the ADF7020-1. The port impedance values are listed for the range of frequencies over which the ADF7020-1 can operate (130 MHz to 650 MHz). Matching circuits, loop filter compo-nents, and VCO tank inductor values are also provided for a range of frequency bands.

Relevant Keywords: 
ADF7020-1
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Using the high-density STM32F10xxx FSMC peripheral to drive external memories

descriptionA0-A22A0-A22Port F/Port G/Port E/Port DAF push-pullAddress A0-A22DQ0-DQ7D0-D7Port D/Port EAF push-pullData D0-D7DQ8-DQ14D8-D14Port D/Port EAF push-pullData D8-D14DQ15A-1D15PD10AF push-pullData D15ENE2PG9AF push-pullChip EnableGNOEPD4AF push-pullOutput EnableWNWEPD5AF push-pullWrite EnableAN2784Interfacing with a nonmultiplexed, asynchronous 16-bit NOR Flash memory 13/30Figure 5.16-bit NOR Flash: M29W128FL/GL connection to STM32F10xxxNote:The GPIO PD6 pin is used to provide a Ready/Bus

Relevant Keywords: 
A10C6, G2DQ0, A7A3A6, NAND512W3A2C/NAND512W3A2B, D10D11D12D13D14D15, DQ3H4DQ11G4, A1A2A3A4A5A6A7A8A9, M29W128FL, BCR2_MBKEN, VFSMC_NE2FSMC_NOE, D8A0, 0000h9FFF, FSMC_NBL10, A5D3A4, MB6000, D0D1D2D3D4D5D6D7D8D9, DQ1H3DQ9G3DQ2, A18C4A17B3, IS61WV51216BLL, B6A19, STM3210E-EVAL, D8-D15, 0000h8FFF, FFFFh9000, A3A2A2, M29W129FL, BCR2_MWID, DQ15A-1, A14C7A13, H7BYTE, B5A21C5Vpp/WPB4, S29GL128P, D8-D14DQ15A-1D15PD10AF, 0000h7FFF, FFFFh8000, A22B8A15, M29W128GL, BCR2_MUXEN, DQ13G6DQ6H6DQ14, A12B7A11, H2U1M29W128FL70ZA6E, A9A6A8, RBA4, D15ENE2PG9AF, 0000h6FFF, DQ4H5DQ12, A1D2, M29W128FL/GL, BCR2_MTYP, DQ10
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TR-2080 EXTERNAL TRIGGER TRANSFORMER

Maximum DC input 150 Volts Output voltage 12 KV Primary peak current 60 amps max. Rise time 10%-90% 0.5 uSec max Turns ratio (secondary to primary) 65:1 Pulse width 50% amplitude 1.0 uSec min Hold-off voltage (secondary to primary) 2 KV DC

Relevant Keywords: 
TR-2080
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How to use the high-density STM32F103xx microcontroller to play audio files with an external I²S audio codec

description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51.1I 2S protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51.2STM32F103xx I2S feature presentation . . . . . . . . . . . . . . . . . . . . . . . . . . . 62Implementation example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82.1General overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Relevant Keywords: 
0x0D, 5I2C, PG15, 25ROUT/RCN26LOUT/RCP, I2C1, SPPTP12, 0x0A, 4VCOC/RIN3, PG14, 21AN2739I, I178S, SPI_I2SPR, 0x00.To, 32TEST1, PG13, WS/2, 12KSS-1508SPEAKERCCLK/SCL, AK4343, SPI_CR2, 0R68RINTP9TP6HPLTP10HPRTP8, 28RIN2/IN2, I2S_CODEC, STM32F103xx, 11TEST212LRCK, 7CSN/CAD0, SPI1, 0R67, 27MIN/LIN3, I2S2, STM3210E-EVAL
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5 W, Two-channel Power Amplifier with Very Few External Parts

Circuitry designed to handle +VCC applied to the outputs. Pop noise reduction. Standby switch. Muting function.

Relevant Keywords: 
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Microsoft Word - MotSize beginners guide External Oct2004.doc

Relevant Keywords: 
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Low-Voltage Synchronous Buck Controller with Precision Enable and No External Compensation

The LM1771 is an efficient synchronous buck switching controller with a precision enable requiring no external compensation. The constant on-time control scheme provides a simple design free of compensation components, allowing minimal component count and board space.

Relevant Keywords: 
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LPC2458 Single-chip 16-bit/32-bit micro; 512 kB flash, Ethernet, CAN, ISP/IAP, USB 2.0 device/host/OTG, external memory interface

Audio CODEC, UDA1342TS,

Relevant Keywords: 
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AT8xC5122 External Components for the Oscillator Circuit

The aim of this application note is to provide the designer with some information and recommendations to enable him to design a fully operating oscillator circuit.

Relevant Keywords: 
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TMS320DM644x DMSoC Asynchronous External Memory Interface User's Guide (Rev. C

2SPRUE20C-February2009SubmitDocumentationFeedbackE SPRUE20C,SPRUE20

Relevant Keywords: 
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