TH7121 Datasheet, PDF (7/28 Pages) List of Unclassifed Manufacturers – 300 to 930MHz FSK/FM/ASK Transceiver

TH7121
300 to 930MHz
FSK/FM/ASK Transceiver
Pin No. Name I/O Type
30 IN_MIX input
Functional Schematic
VCC
210
IN_MIX
30
LO
bias
Description
mixer input, approx. 200Ω
single-ended
VEE
VEE
31 VEE_IF ground
ground of IFA, Demodulator,
32
PRELIMINARY ^{OUT_MIX output}
OUT_MIX
32
VCC
100
VEE
OA1 and OA2
mixer output, approx. 330Ω
single-ended
3901007121
Rev. 001
Page 7 of 28
Data Sheet
Jan. 2002