ATA5745 ATMEL Corporation, ATA5745 Datasheet - Page 12

• Manufacturer Part Number: ATA5745
• Description: Uhf Ask/fsk Receiver
• Manufacturer: ATMEL Corporation

12
ATA5745/ATA5746 [Preliminary]
Figure 2-7.
Figure 2-8.
Table 2-8
cies. Note that sometimes the blocking is measured relative to the sensitivity level 104 dBm
(denoted dBS), instead of the carrier –102 dBm (denoted dBC)
Table 2-8.
Frequency Offset
shows the blocking performance measured relative to –102 dBm for some frequen-
+1.5 MHz
–1.5 MHz
+20 MHz
–20 MHz
+2 MHz
+3 MHz
–2 MHz
–3 MHz
Narrow-band 3-dB Blocking Characteristic at 315 MHz
Wide-band 3-dB Blocking Characteristic at 315 MHz
Blocking 3 dB Above Sensitivity Level With BER < 10
-10.0
-10.0
80.0
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
-50.0
-5.0
-40.0
-4.0
Distance from Interfering to Receiving Signal (MHz)
Distance from Interfering to Receiving Signal (MHz)
-30.0
-3.0
-20.0
-2.0
Blocking Level
–44.5 dBm
–44.5 dBm
–39.0 dBm
–36.0 dBm
–34.5 dBm
–34.5 dBm
–28.0 dBm
–28.0 dBm
-10.0
-1.0
0.0
0.0
10.0
1.0
20.0
2.0
30.0
–3
3.0
57.5 dBC, 60.5 dBS
57.5 dBC, 60.5 dBS
67.5 dBC, 70.5 dBS
67.5 dBC, 70.5 dBS
63 dBC, 66 dBS
66 dBC, 69 dBS
74 dBC, 77 dBS
74 dBC, 77 dBS
40.0
4.0
Blocking
50.0
5.0
4596B–RKE–06/07