ATA8201 ATMEL Corporation, ATA8201 Datasheet - Page 12
ATA8201
Manufacturer Part Number
ATA8201
Description
Manufacturer
ATMEL Corporation
Datasheet
1.ATA8201.pdf
(44 pages)
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2.5
12
Blocking, Selectivity
ATA8201/ATA8202
As can be seen in
receiver can receive signals 3 dB higher than the sensitivity level in the presence of large block-
ers of –34.5 dBm or –28 dBm with small frequency offsets of ±3 MHz or ±20 MHz.
Figure
13
signal of 315 MHz, FSK, 10 Kbits/s, ±38 kHz, Manchester, BR_Range2 with a level of
–105 dBm + 3 dB = –102 dBm, which is 3 dB above the sensitivity level. The figures show how
much larger than –102 dBm a continuous wave signal can be, until the BER is higher than 10
The measurements were done at the 50 input shown in
e x a m p l e ,
–102 dBm + 67.5 dBC = –34.5 dBm.
Figure 2-6.
Figure 2-7.
shows the wide-band blocking characteristic. The measurements were done with a useful
2-6, and
t h e
Close-in 3-dB Blocking Characteristic and Image Response at 315 MHz
Narrow-band 3-dB Blocking Characteristic at 315 MHz
Figure 2-7 on page 12
-10.0
-10.0
60.0
40.0
30.0
20.0
80.0
60.0
40.0
30.0
20.0
70.0
50.0
70.0
50.0
10.0
10.0
0.0
0.0
Figure 2-6 on page
b l o c k e r
-2.0
-5.0
-4.0
-1.5
Distance from Interfering to Receiving Signal (MHz)
Distance from Interfering to Receiving Signal (MHz)
c a n
-3.0
-1.0
-2.0
b e
show the narrow-band blocking, and
12, and
-0.5
-1.0
6 7 . 5 d B C
Figure 2-7
0.0
0.0
1.0
0.5
h i g h e r
Figure 2-1 on page
and
2.0
1.0
Figure 2-8 on page
3.0
t h a n
1.5
4.0
Figure 2-8 on page
– 1 0 2 d B m ,
7. At 3 MHz, for
2.0
5.0
4971B–INDCO–10/07
13, the
o r
–3
.
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