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Name: LMX2492QRTWRQ1
Brand: Texas Instruments
SKU: LMX2492QRTWRQ1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments LMX2492QRTWRQ1

Part No.:: LMX2492QRTWRQ1

Manufacturer:: Texas Instruments

Package:: 24-WFQFN Exposed Pad

Datasheet:: LMX2492QRTWRQ1.pdf

Description:: IC FREQUENCY SYNTH 24WQFN

In Stock:: 738

Quantity:: Add To Cart

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LMX2492QRTWRQ1 Specifications

Package/Case:
24-WFQFN Exposed Pad
Packaging:
Tape & Reel (TR),Bulk
Series:
Automotive, AEC-Q100
ProductStatus:
Active
Type:
Frequency Synthesizer (RF)
PLL:
Yes
Input:
Clock
Output:
Clock
NumberofCircuits:
1
Ratio-Input:Output:
2:1
Differential-Input:Output:
No/No
Frequency-Max:
14GHz
Divider/Multiplier:
Yes/Yes
Voltage-Supply:
3.15V ~ 3.45V
OperatingTemperature:
-40°C ~ 125°C
MountingType:
Surface Mount

LMX2492QRTWRQ1 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including LMX2492QRTWRQ1 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for LMX2492QRTWRQ1 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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LMX2492QRTWRQ1 information

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LMX2492QRTWRQ1 Typical application Circuitry

LMX2492QRTWRQ1 is a versatile frequency synthesizer chip commonly used in RF applications for generating stable clock signals. It features low phase noise, wide frequency range, and integrated fractional-N PLL for precise frequency synthesis.

Application Scenario:

In wireless communication systems, LMX2492QRTWRQ1 can be utilized to generate carrier signals for various modulation schemes, such as frequency-shift keying (FSK) or quadrature amplitude modulation (QAM), in transceivers or base stations.

Circuit Design:

To design an FSK transmitter using LMX2492QRTWRQ1, follow these steps:

1. Crystal Oscillator Connection:

Connect a high-quality crystal oscillator, typically operating at the desired carrier frequency, to the XTALN and XTALP pins of LMX2492QRTWRQ1. Ensure proper decoupling capacitors are placed close to the crystal for stable operation.

2. Frequency Selection:

Configure the PLL settings of LMX2492QRTWRQ1 using its SPI interface (SDI, SDO, SCLK) to achieve the desired output frequency corresponding to the FSK mark and space frequencies. Set the fractional-N divider to fine-tune the frequency resolution if necessary.

3. Modulation Control:

Connect the modulation control signals, such as data inputs for FSK modulation, to the MOD and MODN pins of LMX2492QRTWRQ1. These pins control the modulation of the carrier frequency according to the input data stream.

4. Output Amplification:

Amplify the output signal from LMX2492QRTWRQ1 using an RF amplifier stage connected to its RFOUT pin. Ensure proper impedance matching between the output of LMX2492QRTWRQ1 and the input of the amplifier for maximum power transfer.

5. Power Management:

Provide a stable power supply to LMX2492QRTWRQ1 with proper bypass capacitors placed close to the power pins (VCC, GND). Minimize power supply noise and voltage fluctuations to ensure reliable operation.

Considerations:

When designing the circuit, consider the following factors:

- Phase Noise: Minimize phase noise contributions from the crystal oscillator and PLL loop to ensure signal integrity and spectral purity.

- Spurious Emissions: Ensure that the PLL loop parameters are properly configured to suppress spurious emissions and maintain compliance with regulatory standards.

- Data Interface: Implement proper data interface protocols and signal conditioning to ensure reliable communication between the modulation control circuitry and LMX2492QRTWRQ1.

- PCB Layout: Design a compact and optimized PCB layout to minimize signal distortion, crosstalk, and parasitic effects, especially around high-frequency RF sections.

- Thermal Management: Provide adequate thermal dissipation measures, such as thermal vias and heatsinking, to prevent overheating and ensure long-term reliability of LMX2492QRTWRQ1 in high-power applications.

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6. What is the process for return or replacement of LMX2492QRTWRQ1?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LMX2492QRTWRQ1 we delivered, we will accept the replacement or return of the LMX2492QRTWRQ1 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of LMX2492QRTWRQ1.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

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