CMX018D6 Просмотр технического описания (PDF) - MX-COM Inc
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CMX018D6 Datasheet PDF : 13 Pages
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UHF FM/FSK Receiver
5
3 External Components
CMX018 Advance Information
3V
0V
0V
FSK Modulated RF
Input Signal
BPF
CF = 915MHz
BPF
CF = 915MHz
BPF
CF = 70.875MHz
BPF
CF = 10.7MHz
C1
C2
RSSI Outout
Dis En Lo Hi
1 LNAIN
GND 2
3 LNAOUT
GND 4
5 MIX1IN
28 ENABLE
27 GAINSEL
26 LNADEC
25 VCC1
24 GND
C13
3V
CDEC
C15
C14
3V
RESONATOR
CDEC
6 MIX1OUT
23 TANK
GND 7
8 MIX2IN
22 VCC2
CMX018D6 21 OSCOUT
C11 C12
L1
D1
9 MIX2OUT
20 OSCBA
L2
GND 10
19 OSCEM
C9
LIMIN 11
18 DETOUT
12 LIMDEC1
17 VCC3
3V
C7
13 LIMDEC2
RSSI 14
16 LIMOUT
15 QUADIN
CDEC
R2
L3
C6
R1
C10
C8
VCO control from PLL
RF to PLL
60.174MHz
50ppm
CDEC=
1m F 10nF 100pF
L4
R3
C4
C5
DISCRIMINATOR SENSITIVITY
C3
=750mV/kHz;
measured at DETOUT (pin 18)
To Audio Amplifier/Data Bit Slicer
Figure 2: Example of CMX018 with External Components
C1 100nF
C15 100pF
C2 100nF
D1 Varactor Varactor diode, type SMV1233-011
C3 100nF
~ Resonator Co-Axial Resonator, type RG402, length = 11mm, shorted end
C4 200pF
L1 22nH
C5 8 – 50pF
Trimmer
L2 680nH
C6 5pF
L3 680nH
C7 220pF
L4 1µH
C8 6.8pF
R1 10kΩ
C9 15pF
R2 10kΩ
C10 33pF
R3 2.0kΩ
Value is application dependent
C11 4.7pF
C12 6.2pF
X1 60.175MHz 50ppm crystal
C13 10nF
C14 100pF
Note: Components are surface mount, type SMD0603, unless otherwise indicated.
Table 2: Example of CMX018 with External Components
©1999 MX-COM, Inc.
www.mxcom.com Tel: 800 638 5577 336 744 5050 Fax: 336 744 5054
Doc. # 20480194.003
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
All trademarks and service marks are held by their respective companies.
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