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MAX2643EXT
+NomenclatureSIGE LOW-NOISE AMPLIFIERS
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FabricantAnalog Equipment GmbH / intégration Maxim
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Pièce fabricant #MAX2643EXT
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Package SC-88
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En stock2383
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Spécifications
| Attribut | Valeur |
| Supplier | Rochester Electronics, LLC |
| Package / Case | Bulk |
| Part Status | Active |
| Frequency | 800MHz ~ 1GHz |
| P1d B | -18dBm |
| Gain | 19dB |
| Noise Figure | 1.3dB |
| RF Type | Cellular, ISM, SMR |
| Voltage - Supply | 2.7V ~ 5.5V |
| Supply Current | 5.3mA |
| Test Frequency | 900MHz |
| Mounting Type | Surface Mount |
Présentation
Description
The MAX2643EXT operates over a wide supply voltage range and consumes low power, making it suitable for portable and battery-powered GPS devices. Its compact package facilitates easy integration into space-constrained designs. Additionally, the device includes internal matching to 50 ohms, simplifying the design process by reducing the need for external components. The MAX2643EXT is also designed to be robust, with excellent input and output return losses, enhancing overall reliability.
Overall, the MAX2643EXT serves as an efficient solution for enhancing GPS signal reception, contributing to faster satellite acquisition and improved navigation precision.
Equivalent
Features
1. Frequency Range: It operates within the GPS L1 band, specifically around 1.575 GHz, making it ideal for GPS signal amplification.
2. Low Noise Figure: The device boasts a low noise figure of 0.8 dB, which enhances the signal-to-noise ratio and improves weak signal reception.
3. Gain: It provides a high gain of approximately 19.1 dB, contributing to better signal amplification.
4. Supply Voltage: The LNA operates at a low supply voltage, typically around 2.7V to 5.5V, which is suitable for battery-operated devices.
5. Current Consumption: It features low current consumption of about 4.6 mA, promoting energy efficiency.
6. Package: The MAX2643EXT comes in a small 6-pin SOT23 package, facilitating compact design implementations.
7. Input and Output Matching: It includes integrated input and output matching, simplifying the design process and reducing external component count.
These features make the MAX2643EXT an excellent choice for portable devices needing efficient GPS signal amplification.
Pinout
1. RF IN (Pin 1): This is the RF input pin where the GPS signal is fed into the device.
2. GND (Pin 2): This pin is connected to the ground to ensure proper operation and stability.
3. VCC (Pin 3): This is the supply voltage pin. It powers the LNA and is typically connected to a DC voltage source.
4. RF OUT (Pin 4): This is the RF output pin where the amplified GPS signal is output.
5. SHDN (Pin 5): The shutdown pin is used to enable or disable the amplifier. When low, the device is in shutdown mode, and when high, the device is active.
6. BIAS (Pin 6): This pin is used to set the bias current for the LNA, which influences its performance characteristics.
This configuration makes the MAX2643EXT suitable for enhancing weak GPS signals in various applications.