Details

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BUY CXD90038ER https://www.utsource.net/itm/p/12605979.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	Vcc	2.7	-	5.5	V	Operating voltage range
Standby Current	Icc(STB)	-	1.5	-	渭A	Current consumption in standby mode
Operating Current	Icc(OP)	-	20	-	mA	Typical current consumption during operation
Output Power	Pout	-	20	-	dBm	Typical output power at 50 惟 load
Frequency Range	fop	433	-	435	MHz	Operating frequency range
Modulation Type	MOD	-	-	-	ASK, OOK	Types of modulation supported
Data Rate	Rb	0.1	-	100	kbps	Data rate range
Supply Current (Active)	Icc(ACT)	-	30	-	mA	Typical current consumption in active mode
Sensitivity	Sens	-90	-	-	dBm	Receiver sensitivity
Input Impedance	Zin	-	50	-	惟	Input impedance for RF input
Output Impedance	Zout	-	50	-	惟	Output impedance for RF output
Temperature Range	Toper	-40	-	85	掳C	Operating temperature range
Storage Temperature Range	Tstg	-40	-	125	掳C	Storage temperature range

Instructions for Use:

1. Power Supply:

   • Ensure the supply voltage (Vcc) is within the specified range of 2.7V to 5.5V.
   • Use a stable power source to avoid fluctuations that can affect performance.

2. Standby Mode:

   • To enter standby mode, set the STB pin to high. The device will consume approximately 1.5 渭A in this mode.
   • To resume operation, set the STB pin to low.

3. Operating Mode:

   • In active mode, the device consumes approximately 30 mA. Ensure the power supply can handle this current.
   • For optimal performance, use a 50 惟 load for both input and output impedances.

4. Frequency Configuration:

   • Set the operating frequency within the 433 MHz to 435 MHz range. This can typically be done through external components or internal settings depending on the module design.

5. Modulation:

   • The CXD90038ER supports ASK (Amplitude Shift Keying) and OOK (On-Off Keying) modulation types. Choose the appropriate modulation based on your application requirements.

6. Data Rate:

   • The data rate can be set between 0.1 kbps and 100 kbps. Higher data rates may require more precise tuning and stable conditions.

7. Receiver Sensitivity:

   • The receiver sensitivity is -90 dBm, which allows for reliable communication over moderate distances under ideal conditions.

8. Temperature Considerations:

   • Operate the device within the temperature range of -40掳C to 85掳C to ensure reliable performance.
   • Store the device within the storage temperature range of -40掳C to 125掳C to prevent damage.

9. PCB Layout:

   • Follow recommended PCB layout guidelines to minimize interference and ensure optimal signal integrity.
   • Use ground planes and proper decoupling capacitors to stabilize the power supply and reduce noise.

10. Testing and Troubleshooting:

    • Before deploying the device, conduct thorough testing under various conditions to ensure it meets performance specifications.
    • Use a spectrum analyzer to verify the transmitted signal and a signal generator to test the receiver sensitivity.

(For reference only)