TH71101 Datasheet, PDF (7/20 Pages) List of Unclassifed Manufacturers – FSK/FM/ASK Receiver

TH71101
315/433MHz
FSK/FM/ASK Receiver
Pin No. Name
21 RSSI
I/O Type
analog
output
Functional Schematic
RSSI
21
50Ω
I (Pi)
36k
22 VEE_BIAS ground
23 OUTP
analog
output
OUTP
OUTN
50Ω
24 OUTN
analog
23
24
20µA
20µA
25 VEE_RO
26 RO
ground
analog
input
50k
RO
26
30p
30p
27 VCC_PLL supply
28 ENRX
digital
input
ENRX
1.5k
28
Description
RSSI output, for RSSI and
ASK detection, approx.
36kΩ output impedance
ground for general bias
system and OA
FSK/FM positive output,
output impedance of
100kΩ to 300kΩ
FSK/FM negative output,
output impedance of
100kΩ to 300kΩ
ground of dividers, PFD and
RO
RO input, Colpitts type
oscillator with internal feed-
back capacitors
positive supply of RO, DIV,
PFD and charge pump
mode control input
(CMOS Input)
29 LF
analog
output
LF
200Ω
29
400Ω
4p
30 VEE_LNA ground
32 VCC_LNA supply
charge pump output and
VCO1 control input
LNA biasing ground
positive supply of LNA
biasing
TH71101 Data Sheet
3901071101
Page 7 of 20
Nov. 2001
Rev. 005