TH7111 Datasheet, PDF (8/20 Pages) List of Unclassifed Manufacturers – FSK /FM/ASK Receiver

TH7111
868/915MHz
FSK/FM/ASK Receiver
Pin No. Name
31 OUTP
I/O Type
analog
output
32 OUTN
analog
output
Functional Schematic
OUTP
OUTN
31
32
50Ω
20µA
20µA
33 VEE_PLL ground
34 VEE_RO ground
35 RO
analog
input
50k
RO
35
30p
30p
36 VCC_PLL supply
37 ENRX
digital
input
44 ENRO
digital
input
38 LF1
analog
output
ENRX
ENRO
1.5k
37
44
LF1
200Ω
38
Description
FSK/FM positive output,
output impedance of
100kΩ to 300kΩ
FSK/FM negative output,
output impedance of
100kΩ to 300kΩ
ground of dividers and PFD
RO ground
RO input, Colpitts type
oscillator with internal feed-
back capacitors
positive supply of RO, DIV,
PFD and charge pump
mode control input
(CMOS input)
mode control input
(CMOS input)
charge pump output
39 LF2
analog
input
40 VEE_VCO1 ground
41 VEE_LNA ground
43 VCC_LNA supply
LF2
400Ω
39
4p
VCO1 control input
ground of VCO1 and charge
pump
ground of LNA biasing
positive supply of LNA
biasing
TH7111 Data Sheet
3901007111
Page 8 of 20
Nov. 2001
Rev. 005