th7120 ETC-unknow, th7120 Datasheet - Page 5

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

3901007120
Rev. 005
Pin No.
10
11
12
15
16
13
17
14
18
19
20
22
9
VEE_RO
RO
FSK_SW
IN_DTA
RE/SCLK
TE/SDTA
ASK/FSK
FS0/SDEN input
VCC_DIG
VEE_DIG
FS1/LD
VCC_PLL
VEE_PLL
Name
ground
analog I/O
analog I/O
input
input
input
input
supply
ground
input
supply
ground
I/O Type
RE/SCLK
TE/SDTA
IN_DTA
FS0/SDEN
ASK/FSK
FS1/LD
RO
10
12
15
16
19
17
13
Functional Schematic
FSK_SW
11
Page 5 of 28
VCC
VCC
VEE
VCC
40p
VEE
39k
2.6µA
VCC
120k
VCC
VEE
120
VEE
VEE
120
120
40p
FSK/FM/ASK Transceiver
ground of RO
RO input, base of bipolar
transistor
FSK pulling pin, switch to
ground or OPEN
ASK/FSK modulation data
input, pull down resistor
120k
receiver enable input / clock
input for the shift register,
pull down resistor 120k
transmitter enable input /
serial data input, pull down
resistor 120k
ASK/FSK mode select input
frequency select input / se-
rial data enable input
positive supply of serial port
and control logic
ground of serial port and
control logic
frequency select input / lock
detector output
positive supply of PLL fre-
quency synthesizer
ground of PLL frequency
synthesizer
300 to 930MHz
Description
TH7120
Data Sheet
Jan. 2002