參數(shù)資料
型號: TH71112
廠商: Electronic Theatre Controls, Inc.
英文描述: 868/915MHz FSK/FM/ASK Receiver
中文描述: 868/915MHz FSK信號/調(diào)頻/ ASK接收機(jī)
文件頁數(shù): 15/20頁
文件大?。?/td> 668K
代理商: TH71112
TH71112
868/915MHz
FSK/FM/ASK Receiver
TH71112 Data Sheet
3901071112
Page 15 of 20
Nov. 2001
Rev. 005
FM test circuit component list to Fig. 4
Part
Size
Value / Type
Tolerance
Description
C1
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
CP
C14
0805
0805
0603
0603
0603
0603
0603
0805
0603
0603
0603
0603
0805
0805
15 pF
1 nF
4.7 pF
2.7 pF
NIP
1.2 pF
22 pF
33 nF
1 nF
1 nF
1.5 pF
680 pF
10 -12 pF
100 pF
±
10%
±
10%
±
5%
±
5%
±
5%
±
5%
±
5%
±
10%
±
10%
±
10%
±
5%
±
10%
±
5%
±
5%
crystal series capacitor
loop filter capacitor
capacitor to match to SAW filter input
capacitor to match to SAW filter output
LNA output tank capacitor
MIX1 input matching capacitor
IF1 tank capacitor
IFA feedback capacitor
IFA feedback capacitor
IFA feedback capacitor
DEMOD phase-shift capacitor
DEMOD coupling capacitor
CERRES parallel capacitor
sallen-Key low-pass filter capacitor, to set cut-off fre-
quency
sallen-Key low-pass filter capacitor, to set cut-off fre-
quency
RSSI output low-pass capacitor
loop filter resistor
sallen-Key filter resistor, to set desired filter characteristic
sallen-Key filter resistor, to set desired filter characteristic
sallen-Key filter resistor, to set cut-off frequency
sallen-Key filter resistor, to set cut-off frequency
inductor to match SAW filter
inductor to match SAW filter
LNA output tank inductor
IF1 tank inductor
IF1 tank inductor
fundamental-mode crystal, C
load
= 10 pF to 15pF,
C
0, max
= 7 pF, R
m, max
= 50
C15
0805
100 pF
±
5%
C16
R1
R3
R4
R5
R6
L1
L2
L3
L4
L5
XTAL
0603
0805
0805
0805
0805
0805
0603
0603
0603
0603
0603
HC49-
SMD
330 pF
10 k
12 k
6.8 k
33 k
33 k
12 nH
12 nH
6.8 nH
100 nH
100 nH
±
10%
±
10%
±
5%
±
5%
±
5%
±
5%
±
5%
±
5%
±
5%
±
5%
±
5%
25.22353 MHz
@ RF = 868.3 MHz
±
25ppm calibra-
tion
±
30ppm temp.
SAWFIL
QCC8C
B3570
@ RF = 868.3 MHz
SFE10.7MFP
@ B
IF2
= 40 kHz
SFECV10.7MJS-A
@ B
IF2
= 150 kHz
CDACV10.7MG18-A
B
3dB
= 1.7 MHz
TBD
low-loss SAW filter from EPCOS
leaded
type
CERFIL
SMD type
±
40 kHz
ceramic filter from Murata
CERRES
NIP – not in place, may be used optionally
SMD type
ceramic demodulator tank from Murata
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