The CDBM CDBC is a quad bilateral switch in- tended for the transmission or multiplexing of analog or digi- tal signals It is pin-for-pin compatible with. Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise . CD Datasheet, CD Quad Bilateral Switch Datasheet, buy CD

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So by a HIGH digital signal fed into the control terminal, we can pass an analog signal from the input terminal to the output terminal of the switch.

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This enables the signal at the input to go to the output. A bilateral switch acts as a single pole, single c4066 switch. How to Build a Quad Bilateral Switch Circuit In this circuit, we will show how to connect a bilateral switch chip to inputs and outputs using the quad bilateral switch chip. As the quad term implies, the is composed up of 4 switches.

To the control terminals of the 2 switches, we connect a pull-down resistor pushbutton circuit. The really functions as an analog switch. The switches are labeled from 1 to 4.

How to Build a 4066 Quad Bilateral Switch Circuit

The is a quad bilateral switch circuit, meaning that is composed of dataeheet switches. For this circuit, we are only going to be using 2 of the 4 switches. This means that either side of the switch can be used as the input. When pressed down, the pushbutton makes the signal HIGH.


The is an IC composed of switches which are designed to switch analog signals via digital control. V DD and ground, pins 14 and 7, are the power pins. The control terminal enables the input to go to output. If a signal is fed into the input while the pushbutton is unpressed, no signal will appear at the output.

A bilateral switch is so called because the switch can operate forward or reverse. What this means is we feed an analog signal into the input of the switch and it reaches the output only if a HIGH digital signal is fed into the control or enable terminal.

Applying these principles, you can easily see how to use cd466 4 switches if wanted. Each switch has a single input and a single output terminal. First, to power thewe connect 5V of power to V DDpin 14, and we connect the ground pin, pin daasheet, to ground.

The most common waveform is a sine wave. You can view the control terminal as the signal which closes the switch so that the input signal can cross over to the output. Each switch also has a control or enable terminal.


The datasheet for the can be found at the following link: In this circuit, we will show how to connect a bilateral switch chip to inputs and outputs using the quad bilateral switch chip. How the Circuit Works So, in order for this circuit to work, the pushbutton must be pressed down for each of the switches. When unpressed, the pushbutton has the signal LOW by default. The is a pin chip.

In order for signals to pass through from the input side to the output side, the control or enable terminal must datasheft HIGH. It can be obtained cheaply at a number of online electronic retailers. One place it can be obtained is at Taydaelectronics at the following link: The pinout of the chip is shown below.

The has a wide operating voltage of 5VV.

CD Datasheet(PDF) – TI store

Each switch has an input, output, and control terminal. Without the control or enable switch, there can be no output. So you will see that if you press down the pushbutton with an analog signal or digital signal at the input, that same signal will appear at hte output.