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Analog Devices Inc. AD8346ARU

Part No.:: AD8346ARU

Manufacturer:: Analog Devices Inc.

Package:

Datasheet:: AD8346ARU.pdf

Description:: RF MODULTR 800MHZ-2.5GHZ 16TSSOP

In Stock:: 3809

Quantity:: Add To Cart

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AD8346ARU Specifications

Packaging:
Tube,Tube
Series:
-
ProductStatus:
Obsolete
Function:
Modulator
LOFrequency:
800MHz ~ 2.5GHz
RFFrequency:
800MHz ~ 2.5GHz
P1dB:
-3dBm
NoiseFloor:
-147dBm/Hz
OutputPower:
-6dBm
Current-Supply:
55 mA
Voltage-Supply:
2.7V ~ 5.5V
TestFrequency:
1.9GHz

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AD8346ARU information

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AD8346ARU Typical application Circuitry

AD8346ARU

The AD8346ARU is a distinguished member of the high-frequency modulator and mixer family, specifically designed for Quadrature Modulation applications within the RF (Radio Frequency) domain. This device is adept at converting baseband or low IF (Intermediate Frequency) signals directly into RF signals, a crucial process in wireless communication systems, such as mobile telephony and data communication networks. The "ARU" suffix denotes its package type, indicating a robust, universally compatible form factor suitable for integration into a variety of electronic systems.

1. Quadrature Modulation Excellence: The AD8346ARU excels in generating RF signals by modulating I (In-phase) and Q (Quadrature-phase) baseband inputs, thereby facilitating efficient transmission of data over RF carriers. This modulation technique is fundamental in achieving high data rates in wireless communication systems, making the AD8346ARU a pivotal component in modern RF design.

2. Operational Frequency Range: With its capability to operate across a broad frequency range, typically from 800 MHz to 2.5 GHz, the AD8346ARU is versatile enough to cater to various communication standards and applications. This wide range ensures that it can be employed in diverse scenarios from GSM and 3G to Wi-Fi and Bluetooth technologies.

3. Electrical Connection Scheme: Powering the AD8346ARU requires a direct connection to a supply voltage (Vcc), typically ranging from 2.7V to 5.5V, making it compatible with most digital systems' power levels. Grounding is essential for device stability, necessitating a low-resistance path to the system ground (GND). The RF output is delivered through a dedicated pin, requiring impedance matching to optimize signal transmission and minimize reflections.

4. I/Q Input Integration: The core functionality of the AD8346ARU revolves around its two differential inputs for I and Q signals. These inputs are designed to receive baseband signals, which are then upconverted into an RF signal through the internal quadrature modulator. Ensuring proper phase alignment and amplitude balance between these inputs is critical for optimal modulation performance.

5. LO (Local Oscillator) Input Management: The LO input serves as the reference frequency for the upconversion process. A clean, stable LO signal is paramount to achieving a high-quality RF output. The LO input must be driven with a signal whose frequency falls within the operational range of the AD8346ARU, and careful attention must be paid to the phase noise characteristics of the LO source to minimize degradation of the RF signal's integrity.

6. RF Output Considerations: The RF output pin delivers the upconverted RF signal, which must be appropriately matched to the subsequent RF chain's impedance, usually 50 Ω. Utilizing a matching network can facilitate this impedance matching, enhancing the efficiency of signal transfer and reducing signal loss.

7. Control Pins Utilization: The AD8346ARU includes several control pins that enable fine-tuning of the device's performance, including adjustments to the modulation depth and the balance between the I and Q channels. Proper configuration of these controls can significantly influence the fidelity of the RF signal, ensuring that it meets the specific requirements of the application.

8. Decoupling and Isolation: To maintain signal purity and operational stability, decoupling capacitors should be placed close to the Vcc pins, and careful PCB layout practices should be employed to isolate the AD8346ARU from potential sources of interference. This includes separating digital and analog sections, as well as maintaining a clean ground plane.

The AD8346ARU is emblematic of Analog Devices' commitment to advancing RF communication technology, offering designers a powerful tool for integrating sophisticated modulation capabilities into their systems. By adhering to the detailed connection strategies and considering the intricate aspects of signal integrity, power supply, and device configuration, the AD8346ARU can be effectively harnessed to achieve high-performance RF modulation in a plethora of wireless communication applications.

AD8346ARU FAQ

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6. What is the process for return or replacement of AD8346ARU?

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 AD8346ARU we delivered, we will accept the replacement or return of the AD8346ARU 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 AD8346ARU.

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

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations