Reference circuitry

To ensure good RF performance when designing PCBs, it is highly recommended using the PCB layouts and component values provided by Nordic Semiconductor.

Documentation for the different package reference circuits, including Altium Designer files, PCB layout files, and PCB production files can be downloaded from the product page at

In this section, there are reference circuits for SIxA to show the components and component values to support on-chip features in a design.

Note: This is not a complete list of configurations, but all required circuitry is shown for further configurations.

Schematic SIxA LGA127

Circuit configuration for SIxA LGA127, showing the schematic and the Bill of Materials (BOM) table.

Figure 1. Schematic SIxA with antenna details
nRF9160 SIxa schematic
Table 1. BOM for SIxA LGA127
Designator Value Description Footprint
C1, C7 15 pF Capacitor, NP0, ±0.1pF, 25 V 0201
C2, C4, C8, C10 100 nF Capacitor, X5R, ±10% 0201
C3, C9 47 μF Capacitor, X5R, ±20%, 10 V 0805
C5 4.7 µF Capacitor, X5R, ±20% 0402
C6 4.7 µF Capacitor, X5R, ±10%, 16 V 0805
R1 10 kΩ Resistor, ±1%, 0.05 W 0201
R2 1 k Resistor, ±1%, 0.05 W 0201
FB1 120 R / 0.70 A Ferrite Bead, 120 Ω @ 100 MHz, 700 mA, 130 mΩ Max 0402
U1 nRF9160-SIxA Low power System-in-Package (SiP) with integrated LTE-M/NB-IoT modem and GPS LGA

For PCB reference layouts, see the product page for the nRF9160 at