An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters . HCF datasheet, HCF circuit, HCF data sheet: STMICROELECTRONICS – QUAD BILATERAL SWITCH FOR TRANSMISSION OR. HCF Datasheet, HCF PDF, HCF Data sheet, HCF manual, HCF pdf, HCF, datenblatt, Electronics HCF, alldatasheet, free.

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It may have been damaged by static electricity. When unpressed, the pushbutton has the signal LOW by default. I guess they can be finicky things, eh? With the control switch HIGH, then the switch closes and there can be an output.

In theory, it should be working fine. May 27, If a signal is fed into the input while the pushbutton is unpressed, no signal will appear at the output. It can be obtained cheaply at a number of online electronic retailers. In this circuit, we will show how to connect a bilateral switch chip to inputs and outputs using the quad bilateral switch chip. If I use the mono jack all signal is Normal.


This is image of IC this is the pictures of both Ic A CD is a CD Distributor Name Region Stock Min. IoT for Smart Things. For me it was only a pain in battery powered circuits bcf4066 voltage varies a little and current is a concern – I had to put some actual dataeheet into what I was doing.

In this circuit, we will show the basic functionality of the chip by passing analog signals through 2 of the switches by digital control. Originally posted by Paul Marossy Really?


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. I think they are actually pretty rugged these days, but it seems like the process that they are using for ICs like this are getting more intolerant of hcf466 quality on the control pins.

Maybe a picture will help. As long as it is a CD, it should work.

Without the control or enable switch, there can be no output. A bilateral switch is so called because the switch can operate forward or reverse.

I hadn’t thought of that The is a quad bilateral switch circuit, meaning that is composed of 4 switches. The datasheet for the can be found at the following link: You can view the control terminal as the signal which closes the switch so that the input signal can cross over to the output. Support Center Video Center. The other possibility is that the PCB datasheef been damaged with the replacement of that part or there is a cold solder joint.

HCCB – Rad-hard quad bilateral switch – STMicroelectronics

For this circuit, we are only going to be using 2 of the 4 switches. Same pinouts, same description of what it does, etc. The pinout of the chip datahseet shown below. The switches are labeled from 1 to 4. The control hcf0466 enables the input to go to output.

May 26, This enables the signal at the input to go to the output. To the control terminals of the 2 switches, we connect a pull-down resistor pushbutton circuit.

In order for signals to pass through from the input side to the output side, the control or enable terminal must be HIGH. CMOS devices can be damaged by static electricity simply by touching them out of circuit with your bare hands, and it gets worse from there. Product is in volume production only to support customers ongoing production. That was not the case a decade ago, but they datassheet other problems back then.


ST Microelectronics

Menu Products Explore our product portfolio. What this means is we feed an analog signal into the input of the switch and it reaches the output only datawheet a HIGH digital signal is fed into the control or enable terminal.

Computers and Peripherals Data Center. I have a problem with my Midifly series. May 29, Product is in volume production Evaluation: One place it can be obtained is at Taydaelectronics at the following link: No commitment taken datasheett produce Proposal: To the inputs of the 2 switches, we feed an analog signal.

The has a wide operating voltage of 5VV. Communications Equipment, Computers and Peripherals. If the pushbuttons are not pressed down, then no signal will appear at the outputs.

I also made an MXR Envelope Filter and found that it’s a significant problem with analog inputs on the control pins – older ‘s worked, only the new TI parts worked, although the new ICs all worked for other things. 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.