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

RST Stub Antennas

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Part Number
Datasheet
Image
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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ECAD
Datasheet
Image
Frequency (MHz)
Size (mm)
Application
Pass Band (kHz)
Insertion Loss (dB)
RoHS
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110.592
7.0 x 5.0
Wireless Communication
560
3.7
4.5
110.592
7.0 x 5.0
Wireless Communication
560
5.0
110.592
5.0 x 5.0
Wireless Communication
1152
4.5
110.592
7.0 x 5.0
Wireless Communication
1152
4.5
110.592
7.0 x 5.0
Wireless Communication
280
4.5
137.500
7.0 x 5.0
Wireless Communication
1000
2.0
3.5
138.240
7.0 x 5.0
Wireless Communication
20000
11.5
9.6
140.000
13.3 x 6.5
Pager
20400
11.0
164.175
7.0 x 5.0
Wireless Communication
122
2.9
3.6
164.175
7.0 x 5.0
Wireless Communication
122
2.9
3.6
164.175
7.0 x 5.0
Wireless Communication
125
3.6
169.2
7.0 x 5.0
Wireless Communication
128
2.6
3.6
169.2
7.0 x 5.0
Wireless Communication
128
2.6
3.6
169.2
7.0 x 5.0
Wireless Communication
130
3.6
169.4
5.0 x 5.0
Wireless Communication
200
3
169.4
7.0 x 5.0
Wireless Communication
200
3
173.075
7.0 x 5.0
Pager
80
2.8
4.0
173.075
7.0 x 5.0
Pager
132
2.6
3.6
173.075
7.0 x 5.0
Pager
132
2.6
3.6
173.075
7.0 x 5.0
Pager
135
3.6
173.13
7.0 x 5.0
Pager
135
3.6
173.13
7.0 x 5.0
Pager
133
2.6
3.6
173.13
7.0 x 5.0
Pager
133
2.6
3.6
173.225
7.0 x 5.0
Pager
134
3.0
3.6
173.225
7.0 x 5.0
Pager
134
3.0
3.6
173.225
7.0 x 5.0
Pager
135
3.6
183.6
3.8 x 3.8
Wireless Communication
100
2.5
3.5
183.64
7.0 x 5.0
Wireless Communication
80
2.8
4.0
184.32
3.8 x 3.8
Wireless Communication
5000
8
246
3.8 x 3.8
Wireless Communication
100
5
246
7.0 x 5.0
Wireless Communication
200
5
266
7.0 x 5.0
Wireless Communication
200
5
284
3.8 x 3.8
Pager
8000
4.5
284
3.8 x 3.8
Pager
8000
4.5
284
5.0 x 5.0
Pager
8000
4.5
284
3.8 x 3.8
Pager
8000
4.5
315
3.8 x 3.8
Remote control
120
2.5
3.5
315
5.0 x 5.0
Remote control
320
4.5
315
5.0 x 5.0
Remote control
800
4.5
315
3.0 x 3.0
Remote control
1000
2.5
345
5.0 x 5.0
Wireless Communication
270
4
345
3.8 x 3.8
Wireless Communication
800
3.5
345
3.8 x 3.8
Wireless Communication
800
4
422
3.0 x 3.0
Wireless Communication
4000
2.9
422.5
3.0 x 3.0
Wireless Communication
5000
3.5
428
3.0 x 3.0
Wireless Communication
12000
428
3.0 x 3.0
Wireless Communication
16000
2.6
428
3.0 x 3.0
Wireless Communication
16000
3.5
433
3.0 x 3.0
RFID
720
433.92
3.0 x 3.0
Remote control
1600
2.4
2.9
1 2 6

Temperature Compensated Oscillators

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Frequency (MHz)
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19.2~52
1.6 x 1.2
CLIPPED SINE
19.2~52
1.6 x 1.2
CLIPPED SINE
CMOS
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
CMOS
10~52
3.2 x 2.5
CLIPPED SINE
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