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(11) 92.3%,

Location: Shenzhen
Ships to: US,
Item: 375000154350

Restocking Fee:No
Return shipping will be paid by:Seller
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money back or replacement (buyer’s choice)
Modified Item:No
MPN:Does Not Apply
Country/Region of Manufacture:China
Custom Bundle:No
Unbranded:Unbranded
Frequency Range:100M-4GHz
Gain:31.5 dB
UPC:Does not apply

Description 100M-4GHz Variable Gain Amplifier RF IF Digitally Controlled VGA ADL5240 + STM32 + 1.3″ TFT ADL5240: Description: The ADL5240 is a high performance, digitally controlled variable gain amplifier (VGA) operating from 100 MHz to 4000 MHz. The VGA integrates a high performance, 20 dB gain, internally matched amplifier (AM P) with a 6-bit digital step attenuator (DSA) that has a gain control range of 31.5 dB in 0.5 dB steps with ±0.25 dB step accuracy. The attenuation of the DSA can be controlled using a serial or parallel interface.Both the gain block and DSA are internally matched to 50 Ω at their inputs and outputs and are separately biased. The separate bias allows all or part of the ADL5240 to be used, which facilitates easy reuse throughout a design. The pin out of the ADL5240 also enables either the gain block or DSA to be first, giving the VGA maximum flexibility in a signal chain. The ADL5240 consumes just 93 mA and operates from a single supply ranging from 4.75 V to 5.25V. The VGA is packaged in a thermally efficient, 5 mm × 5 mm, 32-lead LFCSP and is fully specified for operation from −40°C to +85°C. A fully populated evaluation board is available. Features: – Operating frequency: 100 MHz to 4000 MHz (100M to 4GHz ) – Digitally controlled VGA with serial and parallel interfaces – 6-bit, 0 .5 dB digital step attenuator – Gain control range: 31.5 dB; Step accuracy: ±0 .2 5 dB Gain Module Amplifier Specifications: – Gain: 19.7 dB (2.14 GHz) – OIP3: 41.0 dBm (2.14 GHz) – P1dB: 19.5 dBm (2.14 GHz) – Noise figure: 2.9 dB (2.14 GHz) – Can set gain module or digital step attenuator as the first – Powered by single power supply from 4.75 V to 5.25 V – Low quiescent current: 93 mA – High heat dissipation performance 5mm x 5mm, 32-pin LFCSP packaging – The companion ADL5243 integrates a 1/4 W driver amplifier to drive gain module and the output of DSA Applications: – Wireless infrastructure – Automated test equipment – RF/IF gain control Module Parameters: – Power supply: + 5V – Frequency range: 100MHZ-4GHZ – Digital control attenuator attenuation range: 0-31.5DB – Gain of fixed gain amplifier: 20DB – Flatness and insertion loss: refer to the actual measured S21 parameters – PCB board layers: four layers; with metal shield box Package Included: – 1 x Variable Gain Amplifier Measured S21 Parameters: Fixed amplifier measured S21 parameters Program-controlled gain attenuator measured S21 parameters (0DB) Program-controlled gain attenuator measured S21 parameters (10DB) Program-controlled gain attenuator measured S21 parameters (20DB) Program-controlled gain attenuator measured S21 parameters (30DB) Reference PDF schematic (Please contact us for it,thanks~) Parallel and Serial Port Protocol Control: /*The chip will using GPIO to Init*/ void ADL5240_Init(void) { GPIO_InitTypeDef GPIO_InitStruct; RCC_APB2PeriphClockCmd(RCC_ADL5240 GPIO_ADL5240_L , ENABLE); #if Communication_Mode GPIO_InitStruct.GPIO_Pin = GPIO_Pin_ADL5240_CLK GPIO_Pin_ADL5240_DATA; GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz; ADL5240_D3_Clr(); ADL5240_D4_Clr(); ADL5240_D5_Clr(); ADL5240_LSB_Set(); GPIO_Init(GPIO_ADL5240,&GPIO_InitStruct); GPIO_InitStruct.GPIO_Pin = GPIO_Pin_ADL5240_LE; GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(GPIO_ADL5240_G,&GPIO_InitStruct); #else GPIO_InitStruct.Pin = GPIO_Pin_ADL5240_D1 GPIO_Pin_ADL5240_D2 GPIO_Pin_ADL5240_D3 GPIO_Pin_ADL5240_D4 GPIO_Pin_ADL5240_D5 GPIO_Pin_ADL5240_D6 GPIO_Pin_ADL5240_D0; GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(GPIO_ADL5240,&GPIO_InitStruct); #endif } #if Communication_Mode /* Write a data to ADL5240-serial*/ void ADL5240_Write(uint8_t data) { uint8_t i; //data = 0x7f; ADL5240_LE_Clr(); //Pull down LE as as staring signal ADL5240_CLK_Clr(); ADL5240_LE_Set(); delay(10); ADL5240_LE_Clr(); //Now start to write data for(i = 0 ; i < 6 ; i ++){ if(data & 0x80) ADL5240_DATA_Set(); else ADL5240_DATA_Clr(); ADL5240_CLK_Set(); delay(2); ADL5240_CLK_Clr(); data <<= 1; delay(5); } // delay(1); ADL5240_LE_Set(); delay(20); ADL5240_LE_Clr(); } #else /* Write a data to ADL5240-parallel*/ void ADL5240_Write(uint8_t data) { if(data & 0x80) ADL5240_D1_Set(); else ADL5240_D1_Clr(); data <<= 1; if(data & 0x80) ADL5240_D2_Set(); else ADL5240_D2_Clr(); data <<= 1; if(data & 0x80) ADL5240_D3_Set(); else ADL5240_D3_Clr(); data <<= 1; if(data & 0x80) ADL5240_D4_Set(); else ADL5240_D4_Clr(); data <<= 1; if(data & 0x80) ADL5240_D5_Set(); else ADL5240_D5_Clr(); data <<= 1; if(data & 0x80) ADL5240_D6_Set(); else ADL5240_D6_Clr(); } #endif Shipping Terms - For remote regions, we will charge your extra shipping costs. Usually it cost about 35USD-50USD. We will contact you after your payment. Thanks for your understanding. Custom Duties & Taxes 1. Import duties, taxes, and charges are not included in the item price or postage cost. These charges are the buyer's responsibility. 2. Avoiding some unnecessary trouble, please check with your country's customs office to inform us what we should declare its value before shipping.

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