AT86RF211SDK E2V, AT86RF211SDK Datasheet - Page 17
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AT86RF211SDK
Manufacturer Part Number
AT86RF211SDK
Description
KIT DEV FOR AT86RF211/915MHZ
Manufacturer
E2V
Series
Smart RFr
Type
Transceiverr
Datasheet
1.AT86RF211SDK.pdf
(66 pages)
Specifications of AT86RF211SDK
Frequency
915MHz
For Use With/related Products
AT86RF211 @ 915MHz
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
AT86RF211-DK
AT86RF211-DK915107
AT86RF211DK
AT86RF211DK915107
AT86RF211DK915107
AT86RF211-DK915107
AT86RF211DK
AT86RF211DK915107
AT86RF211DK915107
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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
17
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