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3.3GHz to 3.9GHz
Wireless Broadband RF Transceiver
Pin Description (continued)
PIN
40
41
42
43
44
45
46
47
48
—
NAME
RXHP
VCCRXFL
TXBBI-
TXBBI+
TXBBQ+
TXBBQ-
VCCRXMX
RXTX
ENABLE
EP
FUNCTION
Receiver Baseband AC-Coupling Highpass Corner Frequency Control Logic Input. Connect to
ground if not being used.
Receiver Baseband Filter Supply Voltage. Bypass with a capacitor as close as possible to the pin.
Transmitter Baseband I-Channel Differential Inputs
Transmitter Baseband Q-Channel Differential Inputs
Receiver Downconverters Supply Voltage. Bypass with a capacitor as close as possible to the pin.
Mode Control Logic Input. See Table 1 for operating modes.
Mode Control Logic Input. See Table 1 for operating modes.
Exposed Paddle. Connect to the ground plane with multiple vias for proper operation and heat
dissipation. Do not share with any other pin grounds and bypass capacitors’ ground.
Table 1. Operating Mode for MIMO Master and Single Configuration (Note 5)
MODE CONTROL LOGIC INPUTS
CIRCUIT BLOCK STATES
CALI-
MODE
SPI REG 16,
D1:D0 (Note 6)
ENABLE
PIN
RXTX PIN
Rx PATH
Tx PATH
PLL, VCO
CLOCK
OUT
BRATION
SECTIONS
ON
SHUTDOWN
STANDBY (Note 7)
CLOCK OUT
Rx
Tx
Tx CALIBRATION
(Note 9)
Rx CALIBRATION
(Note 10)
xx
01
00 (Note 11)
01
01
11
11
0
0
0
1
1
1
1
0
1
1
1
0
0
1
Off
Off
Off
On
Off
Off
On
(except
LNA)
Off
Off
Off
Off (Note 8)
On
On
(except PA
driver)
On
(except PA
driver)
Off
On
Off
On
On
On
On
Off
On
On
On
On
On
On
None
None
None
None
None
AM detector
+ RX I,Q
buffers
Loopback
Note 5: Set SPI Reg 24 D1:D0 = “00” for single-transceiver mode of operation. Set SPI Reg 16 D4:D3 = “11,” Reg 24 D8 = “1,” Reg
24 D1:D0 = “01” for MIMO master configuration.
Note 6: Unused states of SPI Reg 16, D1:D0 above are not tested, and therefore, should not be used.
Note 7: Parts of transceiver may be selectively enabled.
Note 8: PA bias DAC may be kept active in these non-transmit mode(s) by SPI programming.
Note 9: Set SPI Reg 5 D5 = “1” to mux AM detector output to RXBB pins.
Note 10: Set SPI Reg 26 D3 = “1.”
Note 11: CLKOUT signal is active independent of the states of SPI Reg 16, D1:D0, and is only dependent on the states of ENABLE
and RXTX pins. However, to ensure that the rest of the chip is off when the CLKOUT is active in the clock-out mode, set SPI
Reg 16, D1:D0 to “00” as shown above.
18
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功能描述:射频收发器 RoHS:否 制造商:Atmel 频率范围:2322 MHz to 2527 MHz 最大数据速率:2000 Kbps 调制格式:OQPSK 输出功率:4 dBm 类型: 工作电源电压:1.8 V to 3.6 V 最大工作温度:+ 85 C 接口类型:SPI 封装 / 箱体:QFN-32 封装:Tray
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功能描述:射频收发器 2.3-2.7GHz Wireless Broadband RF Txr RoHS:否 制造商:Atmel 频率范围:2322 MHz to 2527 MHz 最大数据速率:2000 Kbps 调制格式:OQPSK 输出功率:4 dBm 类型: 工作电源电压:1.8 V to 3.6 V 最大工作温度:+ 85 C 接口类型:SPI 封装 / 箱体:QFN-32 封装:Tray
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