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I created a library file using LIBU8, but some of them were not imported. For example, it is a source code (file) in which an interrupt function is defined. All the interrupt functions are static functions. Is it possible to create it as a library in such a case?

Files containing statically declared functions can be registered in library files. However, since it cannot be referenced from the outside, the module in the library cannot be found, and an error occurs when linking and it cannot be used. Create the function to be registered in the library as a global function.

2024-08-30 -  技术问答 代理服务 技术支持 采购服务

What are the advantages of using Thermoelectric cooling instead of compressor-based systems?

Thermoelectric coolers have no moving parts; their solid-state construction results in higher reliability, lower maintenance and lower overall operating costs. Solid-state construction also allows Thermoelectric coolers to be mounted in any orientation. A compact form factor makes them suitable for applications where size constraints exist. Thermoelectric coolers can cool well below ambient. By using a multistage thermoelectric cooler in a vacuum environment, the device can reach a temperature of -100°C. Thermoelectric coolers can achieve precise temperature control (up to ± 0.01°C under steady state) because they are able to heat and cool by simply reversing polarity, which changes direction of the heat transfer. This ability also makes them suitable for applications requiring both cooling and heating. Thermoelectric coolers are also environmentally friendly because they do not use hazardous CFC’s or produce electrical noise.

2024-10-30 -  技术问答 代理服务 技术支持 采购服务

Are LTS Thermoelectric Coolers compatible with (deep) vacuum? If so, are there any restrictions?

Yes, thermoelectric coolers are compatible with vacuum since they have no organics on any material that would outgas. The only restriction would be to not use PVC insulated leads, because PVC out-gasses. Teflon leads and un-insulated wire leads would be preferred.

2024-10-30 -  技术问答 代理服务 技术支持 采购服务

What are the benefits of using liquid instead of air cooling systems?

Liquid heat exchangers can reduce the thermal resistance of conventional heat sink fan dissipation mechanisms by a factor of 10 or more, which makes it much more efficient. This is due to the poor thermal properties of air versus coolants such as water. Liquid cooling systems have a more rapid cool down time, which means less time to reach the desired temperature. While conventional air cooling systems push air all around the system, and can potentially add heat from surrounding hot electronics, liquid cooling systems are equipped with a heat exchanger that routes heat away through a liquid circuit. Air-cooling systems in the higher capacity range often require larger fans, which can increase noise as well as the size of the system.

2024-10-30 -  技术问答 代理服务 技术支持 采购服务

《NB-IoT & LTE-M: Global Ecosystem》这个报告哪里可以下载求分享?

您要的是这个吗,地址:https://max.book118.com/html/2021/1102/8005077121004030.shtm

2022-03-10 -  技术问答

After setting the register value of [PA_ADJ1 to 3] register (B1 0x04-0x06), [PA_REG_ADJ1 to 3] register (B1 0x33-0x35), [PA_REG_FINE_ADJ] register (B1 0x13) through adjusting PA of ML7396, how long does it take for them to be reflected in the wireless output?

After completion of register settings, the control signal is sent to the PA without time lags. Therefore, the time taken for them to be reflected is almost equivalent to the response time of PA. Since PA provides quick response, they are reflected within 100 us. Related Products: ML7396 family

2024-08-30 -  技术问答 代理服务 技术支持 采购服务

What is a offset of the rcoa_adjustOscillation function argument described in the ML62Q1000 Series RC Oscillation Correction Sample Software AP Note?

The offset is a value for adjusting the value writing to the low-speed RC oscillation frequency adjustment register. Normally, please use the fixed value 0 as with the sample software.

2024-08-30 -  技术问答 代理服务 技术支持 采购服务

How reliable is Thermoelectric cooling?

Thermoelectric coolers are highly reliable because they have a solid-state construction with no moving parts. They are also known for having a high mean time between failures (MTBFs). It is difficult to estimate the lifetime of a thermoelectric cooler, due to the variables in application conditions such as changes to heat load, on/off cycling, heat or cooling, drive circuit and system design with protection against condensation. All variables can influence the product’s lifetime. However, for demanding applications such as modern diagnostic, which require high rates of thermal cycling, the PowerCycling PCX Series thermoelectric coolers have been tested to withstand rigorous cycle testing based on latest PCR industry test protocol without degradation in performance.

2024-10-30 -  技术问答 代理服务 技术支持 采购服务

In the FSK mode, when continuously transmitting the modulated wave using RF_TEST_MODE, the center frequency shifts by about 3 KHz.

As described in the data sheet, when using RF_TEST_MODE in FSK mode, the modulator reads unnecessary data before the generation of the expected test data just after TX_ON is started up. Therefore, the center frequency changes. To use RF_TEST_MODE correctly, check again through the following procedure. 1. Initialization register setting 2. Execute VCO_CAL 3. TX_ON 4. After starting up TX, MODEM reset * Note: Usually, this event does not occur when transmitting packets containing DIO control. So, it is not required to perform a MODEM reset after TX_ON. This is also an event specific to FSK mode. There is no problem in GFSK mode. Related Products: ML7344/ML7406 family, ML7345 family, ML7404, ML7414

2024-08-30 -  技术问答 代理服务 技术支持 采购服务

I am debugging by connecting EASE1000 V2. Is it possible to set more than 2 points for a real-time watch?

The real-time watch cannot be set more than 2 points. However, an interval watch is provided on the DTU8 as a function that allows you to set more than 2 watch items. The interval watch repeats the operation of emulating for the set interval time, breaking, reading the value of the item registered in the watch window, displaying it, and then restarting the emulation. It also provides a function that allows you to set whether to continue or stop the operation of peripheral circuits during a break. By using this function together, for example, if the functional timer is set to operate even during a break, you can check the register update with the interval watch without stopping the PWM output. Related Products: ML610(Q)40x, ML610(Q)42x, ML610(Q)47x, ML610(Q)48x, ML610Q10x, ML610Q11x, ML610Q17x, ML610Q30x, ML610Q35x, ML610Q36x, ML610Q38x, ML610Q41x, ML610Q43x, ML610Q46x, ML620Q13x, ML620Q15x, ML620Q416/ML620Q418, ML620Q503H/ML620Q504H/ML620Q506H, ML62Q12xx, ML62Q13xx, ML62Q14xx, ML62Q15xx/ML62Q18xx, ML62Q16xx, ML62Q17xx

2024-08-30 -  技术问答 代理服务 技术支持 采购服务

Tell me the pin status of a general-purpose port in the 1000 series.

You can use the register setting to select input and output status for the general-purpose port. At high impedance, the pin does not output both "H" and "L" because PMOS and NMOS are turned off. For pull-up, the pin has a pull-up resistor connected. For N-channel open output, the pin outputs "L" or is in the high-impedance state because PMOS is turned off. For CMOS output, the pin outputs "H" or "L" because PMOS/NMOS is turned on/off. Related Products: ML610(Q)40x, ML610(Q)42x, ML610(Q)47x, ML610(Q)48x, ML610Q10x, ML610Q11x, ML610Q17x, ML610Q30x, ML610Q35x, ML610Q36x, ML610Q38x, ML610Q41x, ML610Q43x, ML610Q46x, ML620Q13x, ML620Q15x, ML620Q416/ML620Q418, ML620Q503H/ML620Q504H/ML620Q506H, ML62Q12xx, ML62Q13xx, ML62Q14xx, ML62Q15xx/ML62Q18xx, ML62Q16xx, ML62Q17xx

2024-08-30 -  技术问答 代理服务 技术支持 采购服务

If the TRX_OFF instruction is used in the "RF_STATUS" register during RX_ON, the RX_ON state may remain in its state rather than becoming the TRX_OFF state. If the Force TRX_OFF instruction is used, the RX_ON state will shift to the TRX_OFF state without any obstructions. What can be considered as a factor that makes the TRX_OFF instruction ineffective during RX_ON?

When the following DIO mode is used, it is recognized that reception is in progress, so the action will continue even if the TRX_OFF instruction is executed. Therefore, in this mode, use the Force_TRX_OFF instruction to switch the state to TRX_OFF. - Constant output mode (RXDIO_CTRL = 0b01) "Constant reception in progress" is determined. To stop reception, issue the Force_TRX_OFF instruction. - Data output mode 1 (RXDIO_CTRL = 0b10) "Reception in progress after detecting SyncWord" is determined. To stop reception, issue the Force_TRX_OFF instruction. Related Products: ML7344/ML7406 family, ML7345 family, ML7404, ML7414

2024-08-30 -  技术问答 代理服务 技术支持 采购服务

How can the start-up behavior be modified?

The way of the power state transition can be modified through the register of TRANS_COND0/1.

2024-05-25 -  技术问答 代理服务 技术支持 采购服务

How can the start-up behavior be modified?

The way of the power state transition can be modified through the register of TRANS_COND0/1.

2024-05-25 -  技术问答 代理服务 技术支持 采购服务
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