[Help] Attached picture, why is the antenna used in the CAT1 module in the picture rectangular?

[Help] Load Pull - PAE, Output Power Contours cannot be opened in DesignGuide in ADS

[Help] I wanted to use the 4G module to receive text messages, but encountered a problem...

[Help] What model is this infrared receiver? Which model can be used instead? Thank you

[Help] I would like to ask, there is B in the radiation pattern of antenna A, but there is no A in the radiation pattern of antenna B. What is the result of the communication?

[Help] What are the advantages and disadvantages of AD9361 and ADRV9002?

[Help] Is it easy for a device with wifi to pass CE certification?

[Help] Please tell me, what is used to press this connector?

[Help] When debugging the ESP32 Bluetooth chip via serial port, a problem occurred in the return command.

[Help] Why can't I get the graph after parameter sweep?

[Help] Fresh graduates looking for help in the RF antenna engineer position!!

[Help] Please send me a copy of the USB HID interface documentation.

[Help] Help, about the duplexer used in ultrasonic testing

[Help] Analysis of Noise in ADC Sampling--Scrambling Technology

[Help] I would like to ask about the signal transmission problem of optical fiber communication and wireless communication

[Help] RF Circuit Design: Theory and Applications 2nd English Edition

[Help] Are IC and RF board-level circuits the same in circuit schematics? Can their circuit schematic simulation software be used interchangeably?

[Help] [ST B-L475E-IOT01A1 Bluetooth Wi-Fi Development Board] Does anyone know how to measure the power consumption of the development board?

[Help] Can pressureless sintered silver AS9376 be used in microwave integrated circuits?

[Help] Is there a radar technology exchange group?

[Help] FFE DFE Is there a relatively simple circuit paper that I can refer to?

[Help] Recommended papers and books related to getting started with Serdes

[Help] Print NFC chip selection help

[Help] Please recommend a passive chip that can be positioned

[Help] How to burn the program into the Anxinke Bluetooth PB-03f kit?

[Help] RFID card reader solution

[Help] Who has the ADS library of tsmc_rfcmos??

[Help] Paid help on using AT commands to control the COM port to send MMS PDU

[Help] Bluetooth quick connection implementation process

[Help] Bluetooth beacon broadcast packets are not fully received