RF Switches Forum Discussions
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We have a problem with the switches. When measuring in the DVB-C range the switch always loses 1 db MER. With 4 switches it adds up to 4 db MER. The MER should be 40 db, but it is 36 db at the output. We previously had relays inside and these did not cause any problems. The level is fine. We have no problems in the SAT range.
Show LessHello,
is there a limit to the number of cycles I can reflow solder the BGS14M8U9?
We place our components in a two stage workflow with the BGS14M8U9 being the first component in the PCB. Can it endure another solder cycle or does this have any impact on the product?
Best regards
Show LessHi Infineon team.
Please help to confirm the following information as soon as possible for the BGS13SN8E6327XTSA1 switch, which has been tested and found to be
1. If pin VDD/V1/V2 are not powered up, all pins are high resistance to ground.
2. In the case of power-on test, the selected pin is found to be high resistance to ground, while the other twopins become low resistance to ground (short circuit).
For example, when V1/V2 is 1/0, RFin connects to RF1, RF1 has high resistance to ground, and RF2/RF3 have low resistance to ground, with a resistance value of about 4ohm.
Please help confirm the following questions:
1. Are the above test results correct?
2. If the above test results are correct, why should the 2pins that are not selected during power-up be shorted to ground, and for what reason? Is this the case for all RF switches, or is this the only device designed this way? In many analog switches, all pins are in a high resistance state to ground at power up, whether they are selected or not.
3. Is there any device with similar function that is still high resistance to ground even if the pin is not energized at power-up?
smartconx_target@Q!w2e3r4t5y6u7i8o9p0||/t5/RF-Switches/BGS13SN8E6327XTSA1-%E5%8A%9F%E8%83%BD%E7%A1%AE%E8%AE%A4/td-p/735276
Show LessHi,
For a specific design, I need to know exactly what is the capacitance of RFc port.
1. When connecting to RFx port
2. When open
Does anyone have this information ?
Thanks
Show LessDear Team,
Kindly help to advise on EVB of BGSX22G6U10E6327XTSA1.
I want to measure the rf power of two signals of 75MHz frequency.
can I measure the power of both signals one by one using this RF switch (BGS12P2L6) and a single RF power detector?
I tried to make a PCB (image attached) but I found that I did not get control over the common port RF to switch it from one port to another.
on changing the voltage level from 0 to 1.8 on the control port. I get signals on both ports.
level of signal is the same in both ports and becomes high when I apply 1.8V (on both ports)
May I Get an evaluation PCB for this RF switch?
Show LessHello everyone,
as for example the AS179-92LF, a SPDT switch up to 4 GHz, states that it is made of pHEMT GaAs FETs, there is no such information in the datasheet of the BGS14M8U9. Does anyone know if it is based on GaAs, GaN, Sic, FET or just MOSFET?
Apologies if that is something obvious, but I`m really new to semiconductors and material science.
Best regards
Show LessI would like to check the possibility of using BGS18MA12 Rf switch for an RFID HF 13.56Mhz project.
I would like to use it to attached multiple antennas to a single transceiver and each time select a different antenna.
The issue is that the IC is rated with a minimum frequency of 100Mhz but regardless of this, I want to know if there is any chance that this IC will work in the RFID case?
IF not, is there a similar alternative to the BGS18MA12 that will work for the 13.56MHz band?
Thanks
Show LessHello everyone, I have encountered a difficult problem. For the BGS18MA12 RFFE device, when using the MIPI1.1 Master for register access, the readback is always 0x00. The trigger power supply, MIPI voltage, and MIPI timing have all been checked. Are there any other possibilities, or does the device require any special registers to be set to perform MIPI reading and writing normally?
smartconx_target@Q!w2e3r4t5y6u7i8o9p0||/t5/RF-Switches/%E4%BD%BF%E7%94%A8-MIPI1-1-%E7%9A%84-Master-%E8%AE%BE%E5%A4%87%E5%AF%B9-BGS18MA12-%E8%BF%9B%E8%A1%8C%E5%AF%84%E5%AD%98%E5%99%A8%E8%AE%BF%E9%97%AE%E6%97%B6%E6%97%A0%E6%B3%95%E6%AD%A3%E5%B8%B8%E8%AF%BB%E5%86%99%E5%AF%84%E5%AD%98%E5%99%A8/td-p/654105
Show Less