Avago Technologies (www.avago.com) suggests the circuit in figure 1 for amplifying signals of 1.575 GHz (GPS range), using its new component, the ALM-1612 integrated circuit. This circuit has a very low noise figure, on the order of 0.95 dB (tip) and a gain of 18.2 dB (tip).

 

Figure 1 - 1.575 GHz amplifier for the GPS range using the Avago ALM-1612 integrated circuit
Figure 1 - 1.575 GHz amplifier for the GPS range using the Avago ALM-1612 integrated circuit | Clique na imagem para ampliar |

 

The printed circuit board for mounting the amplifier is shown in figure 2.

 

Figure 2 - Printed circuit board for mounting the amplifier.
Figure 2 - Printed circuit board for mounting the amplifier.

 

The table below lists the components used with their values.

 


| Clique na imagem para ampliar |

 

 

The supply is made with voltages of 2.7 V and the consumption in the state of shutdown is 0.1 mA.