BRD4504B Datasheet, PDF (7/13 Pages) Silicon Laboratories – Backup Power Domain Capacitor

BRD4504B (Rev. A00)
EZR32WG Radio Board block description
3.6 RF Matching Network
The BRD4504B (Rev. A00) Radio Board includes a Square-Wave type matching network with Direct Tie TX and RX sides are connec-
ted together without an additional RF switch, to be able to use one antenna both for transmitting and receiveing. The component values
were optimized for the 169 MHz band RF performace and current consumption with 20 dBm output power.
For more details on the matching network used on the BRD4504B (Rev. A00) see Chapter 4.1 Matching network
3.7 SMA connector
To be able to perform conducted measurements or mount external antenna for radiated measurements, range tests etc., Silicon Labs
added an SMA connector (P/N: 5-1814832-1) to the Radio Board. The connector allows an external 50 Ohm cable or antenna to be
connected during design verification or testing.
3.8 Radio Board Connectors
Two dual-row, 0.05” pitch polarized connectors (P/N: SFC-120-T2-L-D-A-K-TR) make up the EZR32WG Radio Board interface to the
Wireless Starter Kit Mainboard.
For more information on the pin mapping between the EZR32WG330F256R63G and the Radio Board Connector refer to Chapter
1. Radio Board Connector Pin Associations.
silabs.com | Smart. Connected. Energy-friendly.
Rev. 1.10 | 5