
Micrel, Inc.
Typical Characteristics (Continued)
V DD = 3.3V, T A = +25oC, BER measured with PN9 sequence, unless otherwise noted.
MICRF220
Sensitivity at 1% BER
V SEL1 = 3.3V, V SEL0 = 3.3V
-98
-100
-102
Bandpass Filter Attenuation
f XTAL = 13.52313MHz
1
0
-1
-2
-3
-4
Bandpass Filter Attenuation
f XTAL = 9.81713MHz
1
0
-1
-2
-3
-4
-104
-106
-108
315MHz
433.92MHz
-5
-6
-7
-8
-9
-10
-5
-6
-7
-8
-9
-10
-110
0
10
20
30
40
50
-11
433.6
433.8
434.0
434.2
-11
314.8
314.9
315.0
315.1
315.2
Bit Rate (kbps)
Sensitivity for 1% BER vs
Frequency
f XTAL = 13.52313MHz
-40
-50
-60
-70
-80
-90
-100
-110
-120
Input Frequency (MHz)
Sensitivity for 1% BER vs
Frequency
f XTAL = 9.81713MHz
-40
-50
-60
-70
-80
-90
-100
-110
-120
Input Frequency (MHz)
419 424 429 434 439 444 449
304
309
314
319
324
Input Frequency (MHz)
Input Frequency (MHz)
August 2010
6
M9999-082610-A