AT86RF211SAH-R Atmel, AT86RF211SAH-R Datasheet - Page 17

• Manufacturer Part Number: AT86RF211SAH-R
• Description: IC RF TXRX FSK 400-950MHZ 48TQFP
• Manufacturer: Atmel

Specifications of AT86RF211SAH-R

• Frequency: 400MHz ~ 950MHz
• Data Rate - Maximum: 100kbps
• Modulation Or Protocol: FSK
• Applications: ISM
• Power - Output: 7dBm ~ 12dBm
• Sensitivity: -107dBm
• Voltage - Supply: 2.4 V ~ 3.6 V
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-TQFP Exposed Pad, 48-eTQFP, 48-HTQFP, 48-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Memory Size: -
• Current - Transmitting: -
• Current - Receiving: -

2.2.7
5348B–WIRE–03/06
IF1 Narrow Bandwidth Filters
Figure 2-9.
Figure 2-10. Schematic Input of the IF1 Amplifier
Figure 2-11. Schematic Output of the Second Mixer
IF1 and IF2 filters can be replaced by a single narrowband 10.7 or 21.4 MHz crystal fil-
ter. This solution has the following advantages:
• Only one cheap IF1 filter is used, reducing costs
• Size is optimized
• Selectivity remains good, even if a very narrow 455 kHz filter is not used
IF1 Filtering
330 Ω
IF1OUT
(pin 36)
IF1DEC
IF1IN
C > 100 pF
1600 Ω
IF1
330 Ω
"or"
IF2OUT
20 k Ω
(pin 35)
IF1IN
AT86RF211S
330 Ω
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