Questions tagged [transceiver]
For questions about devices that are both transmitters and receivers.
245
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Piezo T/R switch
I try to use single piezo as transceiver. Is this possible if i can T/R switch using FET or BJT ?
I found this schematich but not sure if it works.
https://www.researchgate.net/publication/...
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55
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Using piezo as range sensor
My objective is to use a single piezo as a transceiver and calculate the distance between the sensor and the object that sound echos from using time of fly. I use ...
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Possibility of proprietary radio communication between MCUs from different manufacturers [closed]
Not sure if it is the fitting place to ask this, but if not I don’t know where:)
I am currently working on reverse engineering a device based around nrf52811 using ESB as radio protocol, and I know ...
3
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2
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74
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Sending arbitrary bitstream to SFP transceiver: minimum bitrate?
I'm trying to use a Small Form-factor Pluggable (SFP) as the laser source for a homebuilt laser gas analyzer, which means I don't actually care about transmitting data. The plan is to send an ...
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How does CAN transceivers output CANH=3.5V and CANL=1.5V? [duplicate]
This is a questions that has been asked but did not find a clear answer. How it is the 3.5V achieved on CAN_H? Assuming there is 0.5V voltage drop on the internal diode, 0.1V on the internal MOSFET ...
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Load pull testing transceiver LNA input, impedance tuner DIY alternative
Transceiver vendors not always provide best components for input impedance matching in all variety of frequencies range that transceiver itself support, often provide impedance matching network ...
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1
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73
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Match 50 ohm impedance to LNA input impedance
I have following PCB version of circuit: on SMA input we have antenna strictly matched to 50 ohm, then we have regular RF switch IC, after RF switch impedance matching network and final stage is ...
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1
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89
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Is GND connection required for two independent modules to communicate in MIL STD 1553 protocol?
I use a Holt IC 2130 MIL-STD-1553 transceiver. When I connect only the A and B differential lines in two independent modules, I can't communicate between the two modules, but when I connect the GND ...
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61
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Why doesn't the output of a step-up transformer overload low-voltage inputs?
I'm working on a proximity sensor using a piezoelectric ultrasonic transceiver. While looking at driver ICs, I came across the following example in the datasheet for TI's PGA460-Q1:
On the righthand ...
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84
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Designing a circuit for wireless interrogation of a temperature SAW sensor
I'm currently working on a SAW-based temperature sensor. The gist of how it works is this: when the external temperature changes, the resonance frequency of the SAW resonator shifts. To detect the ...
3
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2
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162
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Difference between Single-supply and Dual-supply CAN Transceiver
I was about to choose the MCP2558FD CAN Transceiver for a personal project. I found on the datasheet the following diagram:
If my understanding is good, I can use it as a dual-supply Transceiver.
But ...
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187
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What is the purpose of the choke inductor coil in this qrp radio transmitter?
After building and testing these circuits, I want to understand the purpose of the choke coil in these qrp trans(ceiver)mitter circuits.
https://www.qsl.net/py2ohh/trx/curumim/curumim.htm
I ...
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3
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426
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Do I need to put a ferrite bead near a RS485 receiver device power pin?
I'm using a MAX3094ECSE+ RS-422/485 receiver receiver datasheet for an application that is receiving quadrature encoder wires. Those wires are power, positive and negative signals from quadrature ...
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1
answer
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What is the operation of this RS485 transceiver having this connection?
I am confuse with the R1 and R2 function. The "Direct Connection" wire is connected to another transceiver's DE/RE.
When the DE/RE is high, driver is enabled, and when the DE/RE is low, the ...
2
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How to connect a full duplex line driver
I need to use two line drivers for the communication between two PCBs. I am currently using MAX3081 from Analog and this is what I see in the datasheet:
Image Source: Analog - MAX3080-MAX3089 ...