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Name: AD603AQ
Brand: Analog Devices Inc.
SKU: AD603AQ
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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Analog Devices Inc. AD603AQ

Part No.:: AD603AQ

Manufacturer:: Analog Devices Inc.

Package:: 8-CDIP (0.300, 7.62mm)

Datasheet:: AD603AQ.pdf

Description:: IC VARIABLE GAIN 1 CIRC 8CERDIP

In Stock:: 2944

Quantity:: Add To Cart

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AD603AQ Specifications

Package/Case:
8-CDIP (0.300, 7.62mm)
Packaging:
Bulk,Tube
Series:
X-AMP®
ProductStatus:
Active
AmplifierType:
Variable Gain
NumberofCircuits:
1
OutputType:
-
SlewRate:
275V/µs
GainBandwidthProduct:
-
-3dbBandwidth:
90 MHz
Current-InputBias:
200 nA
Voltage-InputOffset:
-
Current-Supply:
12.5mA
Current-Output/Channel:
50 mA
Voltage-SupplySpan(Min):
9.5 V
Voltage-SupplySpan(Max):
12.6 V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Through Hole

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AD603AQ information

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AD603AQ Typical application Circuitry

AD603AQ

The AD603AQ is a low-noise, voltage-controlled amplifier designed for use in radio frequency (RF) and intermediate frequency (IF) applications. It offers a versatile gain control range and is commonly used in communication systems, radar, and medical imaging equipment.

Application Scenarios:

1. Automatic Gain Control (AGC) in Receivers: The AD603AQ is often employed in AGC circuits to maintain a constant output amplitude despite variations in the input signal strength.

2. Ultrasound Imaging: In medical ultrasound systems, the AD603AQ can be used to amplify the received echoes with variable gain for better image resolution.

3. Radar Systems: The chip is utilized in radar receivers to adjust the gain dynamically, ensuring optimal signal-to-noise ratio (SNR) across different ranges.

Key Parameters:

- Gain Range: The AD603AQ provides a continuous gain range from -11 dB to +31 dB, allowing for precise control of signal amplification.

- Noise Figure: The chip has a low noise figure, typically around 5 dB, which is crucial for maintaining signal integrity in sensitive applications.

- Frequency Response: It operates effectively in the frequency range from DC to 90 MHz, making it suitable for a wide array of RF and IF applications.

Circuit Design Example: Automatic Gain Control in a Receiver

1. Input Signal Connection: Connect the input RF signal to pin 2 (INPT) of the AD603AQ.

2. Gain Control Voltage: Apply a control voltage (Vctrl) to pin 3 (VGNDR) to set the desired gain level. The gain is linearly proportional to Vctrl.

3. Power Supply: Connect a +5V power supply to pin 8 (VSUPP) and ground pin 4 (GNDR).

4. Output Connection: The amplified output signal can be taken from pin 6 (OUTPT).

5. Feedback Loop: To implement AGC, connect the output to a detector that measures the signal amplitude. The detector's output is then used to adjust Vctrl, forming a feedback loop that maintains a constant output amplitude.

Design Considerations:

- Stability: Ensure proper decoupling and bypassing of the power supply pins to maintain stability and reduce noise.

- Impedance Matching: Match the input and output impedances of the AD603AQ to the rest of the circuit to optimize performance.

- Thermal Management: Although the AD603AQ has low power consumption, it's important to consider thermal management in high-temperature environments.

By following these guidelines and utilizing the AD603AQ's variable gain capabilities, designers can effectively implement automatic gain control and other amplification functions in their electronic systems.

AD603AQ FAQ

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3. Are the AD603AQ price and inventory displayed accurate?

The price and inventory of AD603AQ fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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6. What is the process for return or replacement of AD603AQ?

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 AD603AQ we delivered, we will accept the replacement or return of the AD603AQ 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 AD603AQ.

(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