How to make a transformer balun for an antenna

I have a short-wave transceiver that operates in a wide range of frequencies, its wave impedance is 50 Ohms. I also have a simple antenna in the form of a…

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STM32F031 (F031K6).32 bit microcontroller.Datasheet

Core: ARM ® 32-bit Cortex ® -M0 CPU,frequency up to 48 MHz• Memories– 16 to 32 Kbytes of Flash memory– 4 Kbytes of SRAM with HW parity• CRC calculation unit•…

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Wireless chargers. What’s inside

All wireless chargers contain a signal generator and an emitting coil. I took two wireless chargers for analysis, one deppa and the other unnamed The deppa charger contains an STM8S003…

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PM8916.Datasheet

The PM8916 device  integrates all wireless handset power management, generalhousekeeping, and user interface support functions into a single mixed-signal IC. Its versatiledesign is suitable for multimode, multiband phones, and other…

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MSM8916 Qualcomm

MSM8916/APQ8016 (or Snapdragon 410) is Qualcomm SoC released in 2014, with great mainline Linux support originally added for the Dragonboard 410c. There is a slightly higher clocked variant (CPU cores up to 1.4…

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24C02 (WP402).EEPROM 2kbit.Datasheet

The M24C01(C02) is a 1(2)-Kbit I2C-compatible EEPROM (Electrically ErasablePROgrammable Memory) organized as 128 (256) × 8 bits.The M24C01/02-W can be accessed with a supply voltage from 2.5 V to 5.5…

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Samsung A300F. What electronic components are in this phone

-Qualcomm PM8916-GCOW E172 RT5033A-SM5502 -S3FWRN5-9895B -03V1 5A1 -WCN3620-R3LOB  W6511 -WTR1605L-SWL GNF91-59622B  21749-8111 2742-R6D01 W6514 -AMbL 4765 -KMF310012M-Qualcomm MSM8916-WCN3620

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SC8F5775.8-bit microcontroller.Datasheet

◆ Memory ◆ Working voltage: 1.8V~4.5V@16MHz- ROM: 4Kx16bit Working temperature: -20°C~75°C- Universal RAM: 256x8bit ◆ Internal RC: design frequency of 8MHz/16MHz◆ 8 level stack buffer ◆ Built-in 128-byte EEPROM◆ Clean…

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STM8S003 (S033PHVG).8-bit microcontroller.Datasheet

Core• 16 MHz advanced STM8 core with Harvardarchitecture and 3-stage pipeline• Extended instruction setMemories• Program memory: 8 Kbyte Flash memory; dataretention 20 years at 55 °C after 100 cycles• RAM:…

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Transistor FNK30H150.MOSFET 150A 30V.Datasheet

VDS =30V,I =150AR <3.2 mΩ @ VGS =10VRDS(ON) <4.0mΩ @ VGS =4.5V● High density cell design for ultra low Rdson● Fully characterized avalanche voltage and current● Good stability and uniformity…

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MCP3905A I/SS.Energy Metering ICs with Active Real Power Pulse Output.Datasheet

The MCP3905A/05L/06A devices are energy-meteringICs designed to support the IEC 62053 internationalmetering standard specification. They supply afrequency output proportional to the average active realpower, as well as a higher-frequency outputproportional…

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SM5301BS.3-channel Video Buffer with Built-in Wideband Filters.Datasheet

The SM5301BS is a video filter LSI with buffered outputs for VESA-standard ATSC digital TV. The filteremploys a 5-order Butterworth lowpass filter configuration. The filter characteristics have been optimized forminimal…

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HC4053.Analog Multiplexer/Demultiplexer.Datasheet

The SL74HC4053 utilize silicon-gate CMOS technology to achievefast propagation delays, low ON resistances, and low OFF leakagecurrents. These analog multiplexers/demultiplexers control analogvoltages that may vary across the complete power supply…

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