SL6679
4·0
Fig. 12a Typial deviation acceptance UP
3·5
3·0
2·5
240
220
0
20
40
TEMPERATURE °C
VCC = 3·0, 4·0
VCC = 1·3, 2·7
VCC = 1·0, 1·9
60
80
3·07
Fig 12b Typical deviation acceptance DOWN
3·02
2·97
2·92
2·87
VCC = 3·0, 4·0
VCC = 1·3, 2·7
VCC = 1·0, 1·9
240
220
0
20
40
60
80
Conditions
TEMPERATURE °C
282 Mitel characterisation board (Fig. 5), fC = 282MHz
1200bps baud rate, 4kHz peak deviation frequency, BER 1 in 30
The LNA gain is set such that an RF signal of 273dBm at the LNA input, offset from the LO by 4kHz, gives a typical signal
level of 300mVp-p at TPI and TPQ
Fig. 12 Typical deviation acceptance v. supply and temperature
18