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MAAL-011078-TR1000 Datasheet(PDF) 3 Page - M/A-COM Technology Solutions, Inc. |
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MAAL-011078-TR1000 Datasheet(HTML) 3 Page - M/A-COM Technology Solutions, Inc. |
3 / 13 page Low Noise Amplifier 700 MHz - 6 GHz Rev. V3 MAAL-011078 3 3 M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Visit www.macomtech.com for additional data sheets and product information. For further information and support please visit: https://www.macom.com/support 3 Biasing Options The MAAL-011078 bias can be set in 2 different ways: using only VDD or using separate VDD and VBIAS voltages. A separate VBIAS voltage allows pin 5 (VBIAS) to be used as an enable pin to power the device up and down during operation. For both bias methods select the value of RBIAS to achieve the desired current based on the tables on page 4, and use DC blocks at pin 2 (RFIN) and pin 7 (RFOUT / VDD). DC Block RFOUT RFIN VDD DC Block RBIAS RF Choke Bypass 2 7 Biasing Option - Separate VDD and VBIAS Voltages (VBIAS ≤ VDD) To use separate VDD and VBIAS voltages, connect pin 7 (RFOUT / VDD) to VDD through an RF choke inductor and connect pin 5 (VBIAS) to VBIAS through bias resistor RBIAS as shown in Figure 2. Typical current (IBIAS) draw for pin 5 (VBIAS) is 1.4 mA @ VBIAS = 3 V and 1 µA @ VBIAS = 0 V. Typical current (IDD) draw for pin 7 (RFOUT / VDD) is < 1 µA @ VBIAS = 0 V. Biasing Option - VDD only To use only VDD, connect pin 7 (RFOUT / VDD) to VDD through an RF choke inductor and connect pin 5 (VBIAS) to VDD through bias resistor RBIAS as shown in Figure 1. Figure 1 Figure 2 DC Block RFOUT RFIN VDD DC Block RBIAS RF Choke Bypass VBIAS 2 7 |
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