th7107 ETC-unknow, th7107 Datasheet - Page 10

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

Fig. 4: Test circuit for FSK, ASK and FM;
with 50 matching network
Test circuit component list to Fig. 4
3901007107
Rev. 005
Test Circuit
CX1
CX1
XTAL
Part
CX2
CX3
RPS
CF1
CF2
RF1
RF2
C1
C2
C3
C4
C5
C6
C7
R1
R2
R3
V1
L1
L2
L3
_ASK
_FSK
SOD323
HC49/S
Size
0603
0603
0603
0603
0603
0603
0603
0805
0805
0603
0603
0603
1206
0603
0603
0805
0805
0805
0805
0805
0805
0805
fundamental wave
13.55 MHz
0.68 pF
150 pF
330 pF
330 pF
220 nF
470 k
Value
2.0 k
4.3 k
BB535
2.7 pF
3.9 pF
22 nH
22 nH
33 nH
56 k
30 k
10 nF
12 pF
39 pF
68 pF
1 nF
1 nF
0
30ppm calibr.
30ppm temp.
Tolerance
10%
10%
10%
10%
10%
20%
10%
10%
10%
10%
10%
10%
5%
5%
5%
5%
5%
5%
5%
5%
5%
5%
OUT
Page 10 of 14
C4
XOSC capacitor for FSK ( f = 20 kHz)
loop filter capacitor
loop filter capacitor
XOSC capacitor for ASK, trimmed to f
XOSC capacitor (for FSK only)
XOSC capacitor (for FM only)
impedance matching capacitor
impedance matching capacitor
impedance matching capacitor
impedance matching capacitor
blocking capacitor
blocking capacitor
blocking capacitor
impedance matching inductor
impedance matching inductor
impedance matching inductor
loop filter resistor
loop filter resistor
power-select resistor
optional pull-up resistor
varactor bias resistor, (for FM only)
ASK jumper, (for ASK only)
varactor diode (for FM only)
crystal, C
R
m, max
RF2
CF2
C3
= 60
L3
C7
load
= 12 pF to 15 pF, C
C2
CF1
RF1
FSK/FM/ASK Transmitter
C5
1 2
R1
Description
L1
1 2
CX2
CX3
R2
1 2
V1
C1
0, max
XTAL
CX1
TH7107
1 2
= 7 pF,
315/433MHz
C
L2
1 2
Data Sheet
C6
3
Dec. 2001
1 2
R3
RPS