XE1203 ETC1 [List of Unclassifed Manufacturers], XE1203 Datasheet - Page 34

• Manufacturer Part Number: XE1203
• Description: Low-Power, integrated UHF transceiver
• Manufacturer: ETC1 [List of Unclassifed Manufacturers]

The typical component values of the matching circuit are given below.
6.3
The tank of the VCO will be implemented with one inductor in parallel with one capacitor. The characteristics of
these two components must be as follows:
6.4
The loop filter of the frequency synthesizer is shown below.
The typical component values of the filter are given below.
34
VCO TANK
LOOP FILTER OF THE FREQUENCY SYNTHESIZER
Name
CR1
CR2
LR1
LR2
Name
CV1
LV1
Name
CL1
CL2
RL1
RL1
CL1
0.5 pF
12 nH
3.3 pF
3.3 pF
27 nH
12 nH
Typical Value
for 868 MHz
Typical Value
22 nF
220 pF
2.7 k
Typical Value
for 868 MHz
for 868 MHz
CL2
NC
12 nH
Typical Value
for 915 MHz
22 nF
220 pF
2.2 k
Typical Value
2.2 pF
3.3 pF
27 nH
10 nH
for 915 MHz
Typical Value
for 915 MHz
LFB
Tolerance
XE1203
Tolerance
5 %
2 %
5 %
5 %
5 %
Tolerance
5 %
5 %
5 %
5 %
Data Sheet
XE1203
D0308-214