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What is CM5018?

This electronic component, produced by the manufacturer "Ceramate", performs the same function as "Low Power Narrowband FM IF".


CM5018 Datasheet PDF - Ceramate

Part Number CM5018
Description Low Power Narrowband FM IF
Manufacturers Ceramate 
Logo Ceramate Logo 


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Total 6 Pages



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No Preview Available ! CM5018 datasheet, circuit

CM5018
(Preliminary)
Low Power Narrowband FM IF
The CM5018 includes an Oscillator, Mixer, Limiting Amplifier,
Quadrature Discriminator, Active Filter, Squelch, Scan Control and Mute
Switch. This device is designed for use in FM dual conversion
communications equipment.
Operates from 2.0 to 8.0 V Supply
Low Drain Current 2.8 mA Typical @ VCC = 4.0 Vdc
Excellent Sensitivity: Input Limiting Voltage –
– 3.0 dB = 2.6 µV Typical
Low Number of External Parts Required
Operating Frequency Up to 60 MHz
Full ESD Protection
Representative Block Diagram
Mixer
Scan Squelch Filter Filter Recovered
Input Gnd Mute Control In Output Input Audio
16 15 14 13 12 11 10 9
Squelch Trigger with
Hysteresis
Filter
Amp
+
AF
Amp
Demodulator
Mixer
Oscillator
1.8 k
1234
Limiter
Amp
50 k
1.8 k
56
7
Crystal
Osc
Mixer VCC Limiter
Output
Input
Decoupling
This device contains 92 active transistors.
10 pF
52 k
8
Quad
Coil
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: [email protected]
Tel:886-3-3214525
Http: www.ceramate.com.tw
Fax:886-3-3521052
Page 1 of 6
Rev 0.2 Fev.13,2004
Free Datasheet http://www.datasheet4u.com/

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CM5018 equivalent
CM5018
(Preliminary)
Low Power Narrowband FM IF
Figure 9. Simplified Application
VCC = 4.0 V
Scan Control
to PLL
R7
18 k
1st IF 10.7 MHz
from Input
Front End
C13 +
10
R1
51
C1
0.01
+ C12
4.7
C11
0.1
C10
0.001
R6
470 k
R9
100 k
R10
1.0 k
R5
3.3 k
R8
4.7 k
R4
6.8 k
C9
0.001
R3
3.3 k
C7
0.022
VR2 (Squelch Control)
10 k
C8
0.047
AF Output
16 15 14 13 12 11 10 9 VR1 to Audio
22 k Power Amp.
CM5018
12345678
10.245 C2
MHz 68 pF
C3
220 pF
C5
0.1 R2
FL1 20 k
C4
0.1
Quad Coil
C6
0.1
Units:
R:
C : µF
unless noted
FL1 – muRata Erie North America Type CFU455D2 or equivalent
Quadrature Coil – Toko America Type 7MC–8128Z or equivalent
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: [email protected]
Tel:886-3-3214525
Http: www.ceramate.com.tw
Fax:886-3-3521052
Page 5 of 6
Rev 0.2 Fev.13,2004
Free Datasheet http://www.datasheet4u.com/


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Part Details

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1. FM IF ( PDF )

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Featured Datasheets

Part NumberDescriptionMFRS
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CM5018The function is Low Power Narrowband FM IF. CeramateCeramate

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