Smart meters also come with monitors, so you can better understand your energy usage. Smart meters are composed of three major blocks of circuits which may be integrated into a SoC or incorporated into the device as separate modules. The purposes of these modules are: 1) Measurement 2) Communication 3) User interaction

EXAMPLES OF TYPICAL SOLUTION ICs FOR METERING:

Texas Instruments – MSP430F6736
32.000 kHz crystal
Texas Instruments – MSP430F677x/MSP430F67641
32.768 kHz crystal
STMicroelectronics – ST7570
8 MHz crystal
Teridian Semiconductor Corporation – 71M6515H
32.768 kHz crystal
Analog Devices – ADE7854/ADE7858/ADE7868/ADE7878
16.384 MHz crystal

kHz Crystals

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32.768
6.9 x 1.4
4
32.768
8.0 x 3.8
4
Placeholder
32.768
2.0 x 1.2
2
32.768
3.2 x 1.5
2

MHz Crystals

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Frequency (MHz)
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24~60
1.6 x 1.2
4
16~72
2.0 x 1.6
4
12~80
2.5 x 2.0
4
8~156.25
3.2 x 2.5
4

RCA Chip Antennas

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Frequency (MHz)
Gain (dBi)
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BLUETOOTH: 2450±50
2.0
5.2 x 2 x 1.1
BLUETOOTH: 2400~2483.5
2
3.1 x 1.6 x 0.6
BLUETOOTH: 2400~2500
2
9.5 x 2.1 x 1.2
BLUETOOTH: 2400~2500
2
8 x 1.1 x 0.8
BLUETOOTH: 2450/5250/5850
4
5.9 x 5.1 x 1.1
BLUETOOTH: 2450/5250/5850
4 (Peak)
5.9 x 5.1 x 1.1
BLUETOOTH: 2450±50
2
3.2 x 1.6 x 1.2

RST Stub Antennas

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ECAD
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Frequency (MHz)
Gain (dBi)
Size (mm)
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2400~2483
2
190
698~960 / 1710~2700
3.0 4.0
200 x 20
698~960 / 1710~2700
4.0 6.0
370 x 63
824~960 / 1710~2700
3
157 x 21 + 13
2400~2500 / 5100~5900
4.0 6.0
Ø 8 200
2400~2483
3
105
2400~2483
3
105
2400~2483
4.15
110
2400~2500 / 5150 ~5725
1.5
87.5 x 7.8 + 20.5 x 10
2400~2500
5
Ø 8 200
4900~5900
5
Ø 8 200
2400~2483
2.15
Ø 8 116
2400~2500
2
30.3 x 7.8
2400 ±100 / 5800 ±100
3
87.2 x 8 + 17.1 x 8

SAW Filters

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Part Number
ECAD
Datasheet
Image
Frequency (MHz)
Size (mm)
Application
Pass Band (kHz)
Insertion Loss (dB)
RoHS
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1176.45
3.0 x 3.0
Wireless Communication
20000
2.0
3.5
1189
1.1 x 0.9
GPS
50000
1.9
2.4
1197.42
1.5 x 1.1
GPS
62400
1.2
1.8
1216
3.0 x 3.0
STB
8000
5.5
1250
3.0 x 3.0
Wireless Communication
10000
3.5
1250
3.8 x 3.8
Wireless Communication
10000
3.5
1250
3.0 x 3.0
Wireless Communication
9000
3
1280
3.0 x 3.0
Wireless Communication
20000
3
1457
1.4 x 1.1
LTE
20000
1.4
2.0
1500
3.0 x 3.0
Wireless Communication
6000
3.2
1505
3.0 x 3.0
Wireless Communication
26000
4.5
1575.42
1.4 x 1.1
GPS
2400
0.9
1.3
1575.42
3 x 3
24000
1.5
2.5
1582.4
1.4 x 1.1
GPS
31200
1.8
2.0
1582.4
1.1 x 0.9
COMPASS
GLONASS
GPS
31200
1.8
2.0
1582.4
1.1 x 0.9
GPS
31240
1.4
2.0
1582.4
1.1 x 0.9
GPS
46840
1.0
1.3
1582.4
1.1 x 0.9
GPS
46800
1.5
2.3
1588
3.0 x 3.0
GPS
56000
3.5
1588.655
1.4 x 1.1
GPS
4000
1.7
1588.655
1.4 x 1.1
GPS
4000
1.5
1747.5
3.0 x 3.0
Wireless Communication
75000
2.5
3.0
1795
3.0 x 3.0
Wireless Communication
20000
2.6
1795
3.0 x 3.0
Wireless Communication
20000
4
1842.5
1.4 x 1.1
RF Filters for Cellular Phones
35000
3.2
1842.5
3.0 x 3.0
RF Filters for Cellular Phones
75000
2.5
3.5
1842.5
3.0 x 3.0
RF Filters for Cellular Phones
75000
2.5
3.0
1842.5
1.1 x 0.9
LTE
75000
1.6
2.5
1842.5
1.1 x 0.9
LTE
75000
2.0
3.0
1900
1.1 x 0.9
RF Filters for Cellular Phones
40000
1.8
2.1
1900
1.1 x 0.9
RF Filters for Cellular Phones
40000
2.8
3.3
1950
1.4 x 1.1
Wireless Communication
60000
4.2
1960
1.1 x 0.9
LTE
60000
2.0
2.7
1962
1.1 x 0.9
LTE
63800
2.7
4.0
2132.5
3.0 x 3.0
Wireless Communication
45000
3.7
2140
1.1 x 0.9
WIFI
60000
1.6
1.9
2140
1.1 x 0.9
WIFI
60000
1.7
2.5
2140
1.4 x 1.1
RF Filters for Cellular Phones
60000
4.2
2140
3.0 x 3.0
RF Filters for Cellular Phones
60000
2.0
2.8
2155
1.1 x 0.9
LTE
90000
2.6
3.4
2302
3.0 x 3.0
Wireless Communication
10000
3.5
2312.5
3.0 x 3.0
Wireless Communication
15000
4
2332.5
3.0 x 3.0
Remote control
25000
2.5
2332.5
3.0 x 3.0
Bluetooth
25000
2.5
2350
1.1 x 0.9
LTE
100000
1.0
2.2
2350
1.1 x 0.9
LTE
100000
1.5
2.2
2350
1.1 x 0.9
LTE
100000
2.0
2.5
2350
1.1 x 0.9
LTE
100000
2.5
3.3
2352.5
3.0 x 3.0
Wireless Communication
15000
4.5
2355
3.0 x 3.0
Wireless Communication
10000
3.5
1 4 5 6

Temperature Compensated Oscillators

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Frequency (MHz)
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19.2~52
1.6 x 1.2
CLIPPED SINE
CMOS
19.2~52
1.6 x 1.2
CLIPPED SINE
13~52
2.0 x 1.6
CLIPPED SINE
CMOS
13~52
2.0 x 1.6
CLIPPED SINE
13~52
2.5 x 2.0
CLIPPED SINE
CMOS
13~52
2.5 x 2.0
CLIPPED SINE
10~52
3.2 x 2.5
CLIPPED SINE
10~52
3.2 x 2.5
CLIPPED SINE
CMOS
13~52
5.0 x 3.2
CLIPPED SINE
13~52
5.0 x 3.2
CLIPPED SINE
CMOS
10~20
11.4 x 9.6
CLIPPED SINE
CMOS
10~20
11.4 x 9.6
CLIPPED SINE
CMOS
10~20
11.4 x 9.6
CLIPPED SINE
CMOS
10~20
11.4 x 9.6
CLIPPED SINE
CMOS
9.6~45
18.3 x 11.7
CLIPPED SINE
CMOS
9.6~45
18.3 x 11.7
CLIPPED SINE
CMOS
1.5~100
20.8 x 13.2
CLIPPED SINE
CMOS
1.5~100
20.8 x 13.2
CLIPPED SINE
CMOS
1~155.52
25.4 x 25.4
CLIPPED SINE
CMOS
PECL
1~155.52
25.4 x 25.4
CLIPPED SINE
CMOS
PECL

Stratum III TCXOs

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10~52
5.0 x 3.2
CLIPPED SINE
CMOS
3.3
10~52
5.0 x 3.2
CLIPPED SINE
CMOS
3.3
10~52
7.0 x 5.0
CLIPPED SINE
CMOS
3.3
10~52
7.0 x 5.0
CLIPPED SINE
CMOS
3.3