5 4 3 2 1 CC1101 based EM PCB antenna card, with RF Switch 868MHz and 915MHz transciever based on CC1101 nRF_SWITCH D VDDRF C45 0.1uF 19 21 RF_P RF_N DGND GND AGND 6 2 3 1 2 ANT1 DNI OR PROCURE CC_SPI_GDO0 CC_SPI_SOMI CC_SPI_GDO2 12 RF_P C51 100pF 1 2 C58 L3 18nH 13 RF_N L1 1 16 12nH CC1101RTK L2 1 2RF_P1 C49 1.0pF 2RF_N1 12nH Make trace width for RF_SIGNAL 50 ohms single-ended. C52 1.5pF 2 1RF_P2 SW5 C57 220pF nRF_SWITCH 2 1 L5 2 RFC1 1 L6 2 18nH 12nH 12nH 1RF_N2 C53 3.3pF RFC2 1 3 4 C54 1.5pF IN GND GND OUT GND GND 2 5 6 RFC3 RF_SWITCH RF1 GaAs MM8430-2610 RF2 GND 1 RF1 3 2 RF2 AS179-92LF C56 220pF 2 R9 R10 R11 R12 R13 R14 FEED 1 3 5 7 9 11 13 15 17 19 G 2 GND 1 2 4 6 8 10 12 14 16 18 20 2nH L7 VDDRF CC_SPI_GDO0 CC_SPI_GDO2 CC_UART_CTS CC_GPIO2 SW2 MOD_SEL 8 ON 1 7 2 6 3 5 4 C26 0.1uF 1 2 3 4 218-4LPST SFM-110-02-L-D-A RF2 SFM-110-02-L-D-A RF1 D1 GREEN RF1 2 2 BK1005HS102-T C11 10uF CC_GPIO2 CC_SPI_GDO0 CC_SPI_GDO2 CC_SPI_STE CC_SPI_CLK CC_SPI_SIMO CC_SPI_SOMI 1 C R1 680 100pF 5 0 0 0 0 0 0 GND P2 FB5 1 2 4 6 8 10 12 14 16 18 20 RF_SWITCH RF_SWITCH 2 U10 4 B nRF_SWITCH SN74LVC1G04DCKR 3 CC_UART_CTS B VDDRF P1 GND ANT2 DNI OR PROCURE TI's ChipCon RF card seen from TOP. (Connector Mounted on the BOTTOM) The connectors are spaced 1200mils center to center and are pushed all the way at the bottom on the card outline. Card is P2 1500x1200mils. 1 3 5 7 9 11 13 15 17 19 FEED 2nH L8 C59 P1 1 SW4 6 V1 5 RFC 4 V2 TEST PORT L4 GND 100pF G SCLK SI CSn RBIAS DCOUPL GD00/(ATEST) SO/(GD01) GD02 2 C R26 56.2K XOSC_Q1 XOSC_Q2 1 2 C46 2.2pF AVDD AVDD AVDD AVDD D2 GREEN RF2 C41 220pF 2 10pF 1 20 7 17 5 DVDD DGUARD 9 11 14 15 VDDRF C37 0.1uF 1 CC_SPI_CLK CC_SPI_SIMO CC_SPI_STE 1 2 C42 1 8 10 VDDRF C40 2.2pF 2 Y3 26.000MHz U3 4 18 VDDRF C39 0.1uF 2 10pF VDDRF 2 1 3 2 C43 1 C55 2.2uF 1 1 C23 0.1uF VDDRF C22 220pF R2 680 1 D R19 100K RF 1 2 3 4 5 6 7 8 A G1 G2 G3 G4 G5 G6 G7 G8 Approval DNI or Procure 5 4 3 Designer Thomas Almholt Drawn By Thomas Almholt Layout Dawn Ritz A Title Date CC1101_EM PCB Antenna CARD with diversity 2 Size B Project No 6520247 Scale Date Monday, September 13, 2010 Sheet 1 of 1 Rev 1.0 1