Analog Multiplexer
To answer to that question it would help to know what a Sequential Switcher is and what it does.
Suppose that you want to set up a Surveillance camera system that will use more than a single camera. This makes sense because one camera can see and show only what is visible in front of it. You may want to watch your property from different points of view.
In principle you could connect each camera to its monitor and to its recorder.
But that system would be cumbersome, intricate, and unpractical. The redundancy of equipment would also make it unnecessarily expensive.
Otherwise, if your system includes only one surveillance camera you do not need a Sequential Switcher at all.
A Sequential Switcher is a useful gadget capable of connecting automatically each Surveillance camera of a set, one after the other in sequence (therefore sequential) to a video recorder and a monitor.
What is obtained is a full vision of a single camera in turn for part of the time. Hopefully any event has a chance of being caught on record. The length of time when each camera is connected can be set in advance.
The trade-off is some unavoidable loss of information with Sequential Switchers. It would happen if a meaningful event occurs exactly when the specific camera is not connected. But in general the chance of losing essential views is low and can be reduced further by accessories as described hereafter.
There is another method, to be discussed elsewhere, that solves differently the same problem. It uses a Multiplexer, an unlike device showing at once on a monitor the reduced views from all cameras. The selection is a matter of personal preference.
Switcher capability is enhanced by useful additions like motion detectors, devices that start up recording only whenever they detect action in the scene. By limiting recording time, precious media memory is used skillfully. Moreover less review time is needed, employed only for meaningful surveillance.
Therefore a Sequential Switcher or a Multiplexer are essential elements of any system that operates a number of surveillance cameras, as they accomplish the function of putting order in the traffic of multiple video signals.
Elia Levi is a retired engineer. He built a website to assist with a step-by-step Guide to understand, design, select and set up, all by yourself the best and least expensive Surveillance System for your Home Security. Read more on the subject of this article at Sequential Switchers.
Octave Multiplexer – Demo by Dan Miller – Analog Sub-Octave Generator – Electro Harmonix
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MTL 838B MBF ANALOG MULTIPLEXER RECEIVER QUANTITY!! $1,189.99 |
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ONO SOKKI 32 CHANNEL ANALOG MULTIPLEXER $995.00 |
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MTL 838B MBF ANALOG MULTIPLEXER RECEIVER $999.00 |
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MTL 831B ANALOG MULTIPLEXER RECEIVER $899.00 |
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National Instruments AMUX-64T Analog Multiplexer $400.00 |
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SCIEMETRIC 251B REV.1 INTERFACE/ANALOG MULTIPLEXER $399.00 |
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ADG731BSU DIFFERENTIAL 16 CHAN ANALOG MULTIPLEXER 70pc $350.00 |
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Datamyte 911 Analog 4 Channel Multiplexer NEW $219.77 |
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Datamyte 911 Analog 4 Channel Multiplexer NEW-NO BOX $199.77 |
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25 PC’S P/N CD4052BMJ/883 IC Analog Multiplexer Dual 4:1 16-Pin CDIP $179.99 |
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Analog to LMX-128 Multiplexer LIGHTRONIC SMX-32 $138.75 |
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ASI DataMyte 911 Analog 4 Channel Multiplexer Used $125.95 |
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200x 74HC4051PW TSSOP16 74HC4051 HC4051 8-channel analog multiplexer/FREE R.Mail $135.99 |
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CMOS Analog Multiplexer Triple 2 Channel CD4053BH $98.00 |
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NEW mux 16 multiplexer analog input 980-1376-00A $99.99 |
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Scientific Soultions 943244 Analog Multiplexer $91.35 |
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Electro-Harmonix Octave Multiplexer Analog Guitar Effect Pedal, Made in U.S.A. $77.25 |
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Electro Harmonix OCTAVE MULTIPLEXER Electric Guitar Effects Pedal ANALOG New $77.25 |
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SCI 080-2440 0802440 PC Analog Multiplexer Board Rev. H USED $75.00 |
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Groupe Schneider Modicon AS-B846-001 Analog Multiplexer $65.00 |
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Lot of (50) Analog Devices ADG704BRM IC Multiplexer 4×1 10MSOP $50.00 |
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(10) ANALOG DEVICES/PMI MUX16ET 16-CHANNEL ANALOG MULTIPLEXER IC’S $50.00 |
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1 PC AD7506JNZ AD7506JN AD7506 DIP-28 CMOS 8- AND 16-CHANNEL ANALOG MULTIPLEXER $43.99 |
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MPC800KG Manu:BB Encapsulation:DIP-28,High Speed CMOS ANALOG MULTIPLEXER $30.00 |
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1x MPC800KG High Speed CMOS Analog Multiplexer MPC800 $30.00 |
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1x CLC533AJ-QML High-Speed 4:1 Analog Multiplexer CLC533 $30.00 |
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Texas Instruments SN74LV4053APW Triple 2Channel Analog Multiplexer/Demultiplexer $19.99 |
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MPC508AP MPC508 AP CMOS Analog Multiplexer (4) LOT $21.28 |
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1x MAX359MJE Fault-Protected Analog Multiplexer MAX359 $25.00 |
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MXD-807 – Differential Mode Analog Multiplexer – DIP28 $22.99 |
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ANALOG DEVICES AD7503JN CMOS 4-/8-Channel Analog Multiplexer 16-DIP $23.44 |
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50 PCS 74HC4051PW TSSOP16 74HC4051 HC4051 8-channel analog multiplexer NEW $22.99 |
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MUX24FQ – MUX24 JFET Analog Multiplexer IC $18.99 |
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HI4P547-5 – Differential Mode Analog Multiplexer – PLCC28 $19.99 |
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ANALOG DEVICES ADG408BRU LC²MOS 4-/8-Channel Analog Multiplexer 16-TSSOP $19.50 |
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74HC4053N Triple 2-Ch Analog Multiplexer/Demulti. 25pc $16.00 |
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ADG406BP [ADG406] LC2MOS 8-/16-Ch Analog Multiplexer IC $13.99 |
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HI1-0508A-5 – Single-Ended Analog Multiplexer – DIP16 $16.99 |
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IC, Analog Multiplexer, Dual 4 channel, MC14052BCP $12.50 |
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Tube of 25 Philips HEF4051BP 8-ch. Analog Multiplexer $14.90 |
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MPC506AP, 16 Channel Analog Multiplexer, Qty 2 $17.99 |
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5 x MAXIM MAX4617 High-Speed, CMOS Analog Multiplexer / Switch $17.60 |
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MUX24EP [MUX24] JFET Analog Multiplexer IC $12.30 |
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LOT 10 x MC74HC4052DR2 8-channel Analog Multiplexer SMT Brand new REEL $16.00 |
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Fault-Protected Analog Multiplexer IC MAX358CPE ( NEW ) $10.99 |
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AD7501JN AD7501 Analog Multiplexer Single 8:1 DIP-16 x 1pc $15.99 |
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ADG406BN ADG406 Analog Multiplexer Single 16:1 DIP-28 x 1pc $15.99 |
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1826-1028 Agilent/HP Integrated Circuit – Analog Multiplexer $5.00 |
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20x 4053 Triple 2-channel Analog De/Multiplexer 4053B $14.49 |
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74HC4053 Analog Multiplexer SO-16 (LOT OF 50) $12.00 |
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ADS1256, 24 Bit Analog-to-Digital Converter w/Multiplexer, ADC, Qty 2 $14.99 |
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MPC509AU [MPC509] ANALOG MULTIPLEXER IC $9.80 |
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MPC8D – Single-Ended Analog Multiplexer $11.99 |
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(10) IC HEF4051BP 8-CHANNEL ANALOG MULTIPLEXER/DEMUX $10.50 |
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ADG506AKP ANALOG DEVICES IC MULTIPLEXER 16X1 28PLCC $10.00 |
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74HCT4051D 8-CHANNEL ANALOG MULTIPLEXER/DEMUX IC 16-PIN SMT PKG (Qty 15) **NEW** $8.99 |
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MAX368CPN – MAX368 Fault-Protected Analog Multiplexer IC $8.99 |
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20 x 74HC4051 744051 IC 8-CHANNEL ANALOG MULTIPLEXER $12.99 |
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8-Channel Analog Multiplexer IC LTC1391 / LTC1391CN ( NEW ) $7.80 |
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HI3-506A-5 Analog Multiplexer, 16 channel $9.99 |