CMOSTEK CMT2310A - RF Frequency Synthesizer; Settling Time

CMT2310A
Rev 1.0E | Page9/50
www.cmostek.com
1.6 RF Frequency Synthesizer
Table 6. RF Frequency Synthesizer
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
Frequency range
F
RF
Require different matching networks.
675
960
MHz
338
640
MHz
113
320
MHz
Frequency deviation
range
F
DEV_RNG
[1]
675 ~ 960 MHz
600
kHz
450 ~ 640 MHz
400
kHz
338 ~ 450 MHz
300
kHz
225 ~ 320 MHz
200
kHz
169 ~ 225 MHz
150
kHz
135 ~ 169 MHz
120
kHz
113 ~ 135 MHz
100
kHz
Frequency resolution
F
RES
60
Hz
Frequency tuning time
t
TUNE
60
us
Phase noise
@ 433 MHz
PN
433
10 kHz Frequency Offset
-101
dBc/Hz
100 kHz Frequency Offset
-114
dBc/Hz
1 MHz Frequency Offset
-129
dBc/Hz
10 MHz Frequency Offset
-134
dBc/Hz
Phase noise
@ 868 MHz
PN
868
10 kHz Frequency Offset
-100
dBc/Hz
100 kHz Frequency Offset
-109
dBc/Hz
1 MHz Frequency Offset
-126
dBc/Hz
10 MHz Frequency Offset
-129
dBc/Hz
Notes:
[1]. For 2 FSK and 4 FSK, F
DEV
represents the frequency difference between the frequency points at the far ends (left and
right) and the centered frequency point.
1.7 Settling Time
Table 7. Settling Time
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
Settling time
T
SLP-RX
From Sleep to RX
660
us
T
SLP-TX
From Sleep to TX
660
us
T
STB-RX
From Standby to RX
160
us
T
STB-TX
From Standby to TX
160
us
T
RFS-RX
From RFS to RX
16
us
T
TFS-RX
From TFS to TX
16
us
T
TX-RX
From TX to RX
(Ramp down requires 2T
symbol
time)
2T
symbol
+168
us