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TH7107 Datasheet, PDF (7/14 Pages) List of Unclassifed Manufacturers – FSK/FM/ASK Transmitter
TH7107
315/433MHz
FSK/FM/ASK Transmitter
AC Characteristics
all parameters under normal operating conditions, unless otherwise stated;
typical values at Ta = 23 °C and Vcc = 3 V;
ENCK = 1, ENTX = 1, RPS = 56 kΩ, fc = 433.6 MHz, test circuit shown in Fig. 4
Parameter
Symbol
Condition
Min
Typ
Output power
FSK deviation
Po
-1
∆fFSK depends on CX1, CX2
±5
±30
and crystal parameter
Data rate FSK
FM deviation
Modulation frequency FM
Data rate ASK
Reference spurs
Clock spurs
Harmonic content
Spurious output signal
Phase noise
VCO gain
Charge pump current
Clock voltage swing
Start-up time
RFSK
∆fFM
fmod
RASK
Pref
Pclk
Pharm
Poff
PN
KVCO
ICP
VCKOUT
ton
NRZ
adjustable with
varactor and VFM
NRZ
@ fc ± fref
@ fc ± fclk
@ 2fc , 3fc , 4fc
VPS ≤ 0.1V
@ fc ± 500kHz
Cload = 5pF
from ”all OFF” to any
other mode
20
±6
5
40
-44
-44
-40
-60
-87
200
±260
2
Max
±100
0.9
Unit
dBm
kHz
kbit/s
kHz
kHz
kbit/s
dBm
dBm
dBm
dBm
dBc/Hz
MHz/V
µA
Vpp
ms
Output Power Selection
typical values at Ta = 23 °C and Vcc = 3 V:
ENCK = 1, ENTX = 1, fc = 433.6 MHz, test circuit shown in Fig. 4
RPS / kΩ
≥ 68
56
47
VPS/ V
Icc / mA
Po / dBm
Pharm / dBm
≥2
11.5
2
≤-40
1.2
8.6
-1
≤-40
0.9
7.3
-4
≤-40
39
0.7
6.2
-7
≤-45
27
0.5
5.3
-10
≤-45
15
0.3
4.8
-12
≤-50
3901007107
Rev. 005
Page 7 of 14
Data Sheet
Dec. 2001