AT86RF212 Atmel Corporation, AT86RF212 Datasheet - Page 12

• Manufacturer Part Number: AT86RF212
• Manufacturer: Atmel Corporation

Specifications of AT86RF212

• Max. Operating Frequency: 0 MHz
• Crypto Engine: AES
• Operating Voltage (vcc): 1.8 to 3.6
• Frequency Band: 700/800/900MHz
• Max Data Rate (mb/s): 1
• Antenna Diversity: No
• External Pa Control: Yes
• Power Output (dbm): 10
• Receiver Sensitivity (dbm): -110
• Receive Current Consumption (ma): 9.0
• Transmit Current Consumption (ma): 18 at 5dBm
• Link Budget (dbm): 120

3.2 Extended Feature Set Application Schematic
Figure 3-2. Extended Feature Set Application Schematic
12
AT86RF212
For using the extended features
• Antenna Diversity
• RX/TX Indicator
• RX Frame Time Stamping
an extended application schematic is required. All other extended features (see section
9) do not need an extended schematic.
An application schematic illustrating the use of the AT86RF212 Extended Feature Set is
shown in Figure 3-2. Although this example shows all additional hardware features
combined, it is possible to use all features separately or in various combinations.
In this example, a balun (B1) transforms the differential radio transceiver RF pins
(RFP/RFN) to a single ended RF signal, similar to the Basic Application Schematic;
refer to Figure 3-1. The RF switches (SW1, SW2) separate between receive and
transmit path in an external RF front-end. These switches are controlled by the RX/TX
Indicator, represented by the differential pin pair DIG3/DIG4; refer to section 9.4.
During receive, the corresponding microcontroller may search for the most reliable RF
signal path using an Antenna Diversity algorithm or stored statistic data of link signal
quality. One antenna is selected by a RF switch (SW2) controlled by pin DIG1
RF signal is amplified by an optional low-noise amplifier (N2) and fed to the radio
transceiver using a RX/TX switch (SW1).
uses pins DIG1/DIG2
uses pins DIG3/DIG4
uses pin DIG2
(1)
8168C-MCU Wireless-02/10
section 9.3
section 9.4
section 9.5
(1)
. The