Description
BUY SX1308 B628 https://www.utsource.net/itm/p/9494823.html
| Parameter |
Description |
Value |
Unit |
| Part Number |
Device Identifier |
SX1308 B628 |
- |
| Function |
Device Type |
Low-Noise Amplifier (LNA) |
- |
| Frequency Range |
Operating Frequency |
700 to 960 |
MHz |
| Gain |
Signal Gain |
18.5 |
dB |
| Noise Figure |
Noise Performance |
1.2 |
dB |
| Input IP3 |
Third-Order Intermodulation Intercept Point |
14 |
dBm |
| Input Return Loss |
Reflection Loss at Input |
12 |
dB |
| Output Return Loss |
Reflection Loss at Output |
12 |
dB |
| Supply Voltage |
Operating Voltage |
2.7 to 5.5 |
V |
| Current Consumption |
Power Consumption |
11 |
mA |
| Operating Temperature |
Temperature Range |
-40 to +85 |
°C |
| Package Type |
Physical Package |
QFN-8 |
- |
| Pin Count |
Number of Pins |
8 |
- |
Instructions for Use
Power Supply:
- Connect the supply voltage (Vcc) between 2.7V and 5.5V to the Vcc pin.
- Ensure a stable and clean power supply to avoid noise and instability.
Biasing:
- The LNA is internally biased, so no external biasing components are required.
- However, ensure that the supply voltage is within the specified range to maintain optimal performance.
Input and Output Matching:
- Match the input and output impedances to 50 ohms for best performance.
- Use appropriate matching networks if the connected circuits have different impedances.
Grounding:
- Connect the ground (GND) pin to a low-impedance ground plane to minimize noise and improve stability.
- Ensure proper grounding to avoid common-mode noise and interference.
Decoupling Capacitors:
- Place a 0.1 μF decoupling capacitor close to the Vcc pin to filter out high-frequency noise.
- Optionally, add a 10 μF capacitor for additional filtering.
Signal Path:
- Connect the RF input signal to the IN pin and the RF output signal to the OUT pin.
- Ensure that the signal path is as short as possible to minimize loss and interference.
Temperature Considerations:
- Operate the device within the temperature range of -40°C to +85°C to ensure reliable performance.
- Avoid exposing the device to extreme temperatures or rapid temperature changes.
Handling Precautions:
- Handle the device with care to avoid static discharge, which can damage the sensitive components.
- Use proper ESD protection when handling and soldering the device.
Soldering:
- Use a temperature-controlled soldering iron and follow standard reflow soldering profiles.
- Ensure that the solder joints are clean and free of voids to maintain good electrical connections.
Testing:
- After assembly, test the device using a signal generator and spectrum analyzer to verify gain, noise figure, and other performance parameters.
- Compare the measured values with the datasheet specifications to ensure proper operation.
(For reference only)
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