MMZ09332BT1 RF Amplifier Voltage Control

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MMZ09332BT1 RF Amplifier Voltage Control

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Contributor I

Hello,

We are trying to use MMZ09332BT1 which is a 130-1000 MHz HBT RF amplifier. There are some questions about how to use the MMZ09332BT1 correctly.

  1. What is the meaning of active bias control? Does it mean that a Power Down Voltage is supplied at Pin 10 to control the bias on or off?
  2. According to the typical PA performance table at the datasheet Gain=26.3@ 3.6V, which voltage is 3.6V? Vcc,Vbias or both them?
  3. Pin 7,8,9 are all RFout, should we connect them together ? The application circuit at the datasheet only connect pin 7 and 8, will it have effect on the output power?

Thank you.

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  • RF

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NXP TechSupport
NXP TechSupport

1. What is the meaning of active bias control? Does it mean that a Power Down Voltage is supplied at Pin 10 to control the bias on or off?

YES

2. According to the typical PA performance table at the datasheet Gain=26.3@ 3.6V, which voltage is 3.6V? Vcc,Vbias or both them?

All three voltages Vcc1, Vcc2 and Vbias are 3.6V

3. Pin 7,8,9 are all RFout, should we connect them together ? The application circuit at the datasheet only connect pin 7 and 8, will it have effect on the output power?

All parameters in the Datasheet are measured on the evaluation board that has pin 7 and pin 8 connected to Output and Pin 9 connected to Vcc2. You can connect all three pins together but the parameters may may vary slightly.


Have a great day,
Andrei

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