GMSK Packet Data Modem and RF Transceiver
CMX990
CF 800.001624 MHz Meas Signal
SR
8
kHz Eye [I]
Demod
Ref Lvl
5
dBm
2FSK
250m
REAL
A
T1
-250m
0
SYMBOLS
8
Figure 28 CMX990 modulation eye diagram at 8kbps with Bt = 0.3
(Measurement filter Bt=1)
CF 800.001624 MHz Meas Signal
SR
8
kHz Eye [I]
Demod
Ref Lvl
dBm
5
2FSK
250m
REAL
A
T1
-250m
0
SYMBOLS
8
Figure 29 CMX990 modulation eye diagram at 8kbps with Bt = 0.5
(Measurement filter Bt=1)
ã 2004 CML Microsystems Plc
70
D/990/1