Electrical Characteristics
5.4
AC Electrical Characteristics
NOTE
All AC parameters measured with SPI Registers at default settings except
where noted and the following registers over-programmed:
Register 08 = 0xFFF7 and Register 11 = 0x20FF
Table 4. Receiver AC Electrical Characteristics
(VBATT, VDDINT = 2.7 V, TA = 25 °C, fref = 16 MHz, unless otherwise noted.
Parameters measured at connector J6 of evaluation circuit.)
Characteristic
Symbol
Min
Typ
Max
Unit
Sensitivity for 1% Packet Error Rate (PER) (-40 to +85 °C)
Sensitivity for 1% Packet Error Rate (PER) (+25 °C)
Saturation (maximum input level)
SENSper
-
-
-
-92
-92
10
-
-87
-
dBm
dBm
dBm
SENSmax
Channel Rejection for 1% PER (desired signal -82 dBm)
+5 MHz (adjacent channel)
-5 MHz (adjacent channel)
-
-
-
-
-
25
31
42
41
49
-
-
-
-
-
dB
dB
dB
dB
dB
+10 MHz (alternate channel)
-10 MHz (alternate channel)
>= 15 MHz
Frequency Error Tolerance
Symbol Rate Error Tolerance
-
-
-
-
200
80
kHz
ppm
Table 5. Transmitter AC Electrical Characteristics
(VBATT, VDDINT = 2.7 V, TA = 25 °C, fref = 16 MHz, unless otherwise noted.
Parameters measured at connector J5 of evaluation circuit.)
Characteristic
Symbol
Min
Typ
Max
Unit
Power Spectral Density (-40 to +85 °C) Absolute limit
Power Spectral Density (-40 to +85 °C) Relative limit
Nominal Output Power1
-
-
-47
47
0
-
-
dBm
Pout
-3
3
dBm
dBm
%
Maximum Output Power2
4
Error Vector Magnitude
EVM
-
-
-
-
-
20
31
250
-42
-44
35
-
Output Power Control Range (-27 dBm to +4 dBm typical)
Over the Air Data Rate
dB
-
kbps
dBc
dBc
2nd Harmonic
-
3rd Harmonic
-
1
SPI Register 12 programmed to 0x00BC which sets output power to nominal (0 dBm typical).
SPI Register 12 programmed to 0x00FF which sets output power to maximum.
2
MC13192 Technical Data, Rev. 3.3
Freescale Semiconductor
9