th7122 Melexis Company, th7122 Datasheet - Page 32

• Manufacturer Part Number: th7122
• Description: Transceiver - 27 To 930mhz, Fsk/fm/ask, Multi-channel Lqfp32
• Manufacturer: Melexis Company

7.2
39010 07122
Rev. 008
FSK Application Circuit Stand-alone User Mode
TX_OUT
RX_IN
Combining
Fig. 15: Test circuit for FSK operation in Stand-alone User Mode
network
L1
CB1
RB1
C1
LTX0
CRX0
CTX0
C2
CB2
CB4
CTX4
25
26
27
28
29
30
32
31
RPS
OUT_PA
IN_LNA
VEE_LNA
OUT_LNA
GAIN_LNA
IN_MIX
VEE_IF
OUT_MIX
CB5
CF2
1
2
Page 32 of 44
TH7122
3
RF
CF1
RP
C0
C3
C3
4
L0
CB6
5
6
C4
see para. 4.1.1
7
C5
VCC_DIG
RE/SCLK
ASK/FSK
FSK_SW
IN_DTA
8
RO
FSK/FM/ASK Transceiver
16
15
14
13
12
10
VEE_RO
11
9
RSSI
CB7
CX2
enable
XTAL CX1
TX
VCC
enable
output
RX
input
FSK
FSK
27 to 930MHz
CB0
TH7122
Data Sheet
June/07