Skip to main content

Questions tagged [transceiver]

For questions about devices that are both transmitters and receivers.

1 vote
0 answers
46 views

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/...
ali demir's user avatar
0 votes
0 answers
55 views

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 ...
ali demir's user avatar
-1 votes
0 answers
57 views

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 ...
vorobey's user avatar
  • 101
3 votes
2 answers
74 views

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 ...
ewineteer's user avatar
0 votes
0 answers
70 views

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 ...
Florin Adrian's user avatar
0 votes
0 answers
13 views

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 ...
Tremax's user avatar
  • 65
0 votes
1 answer
73 views

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 ...
Tremax's user avatar
  • 65
0 votes
1 answer
89 views

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 ...
Electronx's user avatar
  • 756
1 vote
1 answer
61 views

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 ...
danavee's user avatar
  • 155
0 votes
0 answers
84 views

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 ...
Adrian's user avatar
  • 113
3 votes
2 answers
162 views

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 ...
Bouboubi's user avatar
  • 154
1 vote
2 answers
187 views

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 ...
Aditya Chugh's user avatar
1 vote
3 answers
426 views

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 ...
Suvi_Eu's user avatar
  • 851
1 vote
1 answer
54 views

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 ...
yessi's user avatar
  • 11
2 votes
1 answer
77 views

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 ...
mdir's user avatar
  • 115

15 30 50 per page
1
2 3 4 5
17