th7120 ETC-unknow, th7120 Datasheet - Page 6

• Manufacturer Part Number: th7120
• Description: 930mhz Fsk/fm/ask Transceiver
• Manufacturer: ETC-unknow

3901007120
Rev. 005
Pin No.
21
23
24
25
27
28
26
29
LF
TNK_LO
PS_PA
OUT_PA
VEE_LNA
OUT_LNA
IN_LNA
GAIN_LNA input
Name
analog I/O
analog I/O
analog I/O
output
ground
output
input
I/O Type
PS_PA
21
TNK_LO
23
LF
24
GAIN_LNA
IN_LNA
OUT_PA
26
25
Functional Schematic
VEE
29
VEE
VCC
VEE
VCC
10k
120
120
VCC
Page 6 of 28
bias
3.8k
VEE
120
37
6.3p
VCC
VEE
VEE
40p
VEE
VEE
VCC
33
OUT_LNA
VEE
28
VCC
VCC
FSK/FM/ASK Transceiver
33
charge pump output, con-
nection to external loop filter
VCO open-collector output,
connection to external LC
tank
power-setting input
power amplifier open-
collector output
ground of LNA and PA
LNA open-collector output,
connection to external LC
tank at RF
LNA input,
approx. 50 single-ended
LNA gain control input
300 to 930MHz
Description
TH7120
Data Sheet
Jan. 2002