th7107 ETC-unknow, th7107 Datasheet - Page 9

• Manufacturer Part Number: th7107
• Description: Fsk/fm/ask Transmitter
• Manufacturer: ETC-unknow

Frequency Deviation as Function of CX1 and CX2
3901007107
Rev. 005
The frequency deviation ∆f is defined as (f
typical values at T
XTAL = 13.55 MHz, Cload = 15 pF, shown in Fig. 3
CX1 / pF
40
35
30
25
20
15
10
5
0
104
22
32
40
49
61
10
a
= 23 °C and V
Fig. 3: Frequency deviation vs. CX1, at different CX2
20
CX2 = 1 nF
30
cc
f / kHz
34
25
20
17
13
8
= 3 V:
Cx1/pF
40
max
Page 9 of 14
- f
min
50
) /2.
CX2 = 100 pF
11.5
f / kHz
27
19
14
60
9
FSK/FM/ASK Transmitter
70
CX2 = 47 pF
Cx2 = 1nF
CX2 = 100pF
Cx2 = 47pF
f / kHz
5.5
21
14
10
TH7107
8
315/433MHz
Data Sheet
Dec. 2001