MAX2172 direct conversion to low IF tuner for digital audio broadcasting
MAX2172 overview
The MAX2172 direct-conversion to low-IF tuner is designed for digital audio broadcast (DAB) and terrestrial digital mulTImedia broadcast (T-DMB) applicaTIons, covering an input frequency range of 168MHz to 240MHz (VHF-III), 1452MHz to 1492MHz ( L-band), and also 87MHz to 108MHz (FM). The MAX2172 achieves a high level of component integraTIon, allowing lowpower, tuner-on-board designs. The direct-conversion to low-IF architecture eliminates the need for an IF- SAW filter while providing a balanced 2.048MHz center frequency baseband output to the demodulator.
The MAX2172 provides a buffered reference clock at the crystal frequency.
A sigma-delta fracTIonal-N synthesizer is incorporated to optimize both close-in and wideband phase noise performances for OFDM applications where sensitivity to both 1kHz phase noise and wideband phase noise related to strong adjacents can be a problem.
The MAX2172 is available in a 40-pin thin QFN package (6mm x 6mm) with an exposed pad. Electrical performance is guaranteed over the extended -40 ° C to + 85 ° C temperature range.
Key features of MAX2172
+ 2.7V to + 3.5V Supply Voltage Range Low-IF Output Eliminates IF-Saw Filter Integrated FM / VHF-III Bandpass Filter Integrated Low-IF Bandpass Filter Sigma-Delta Fractional-N Synthesizer + 45dBc ACPR (N ± 1) 2.9dB Typical Noise Figure for VHF-III (Includes On-Chip Tracking Filter) 3.1dB Typical Noise Figure for L-Band VHF-III Sensitivity of -101dBm L-Band Sensitivity of -101dBm Baseband Overload Detector Controls RF AGC Fast Channel Scan RSSI 5- Bit Output FM (S + N) / N = 26dB at -111dBm Small 6mm x 6mm Thin QFN PackageMAX2172 functional block diagram
MAX2172 Application / Use
Fixed, mobile digital audio broadcasting (DAB, DAB +) equipment with FM function Terrestrial digital multimedia broadcasting (T-DMB) equipment with FM function
This is the most competitive 15.6 inch Budget Business Laptop, comes with 2022 intel latest celeron cpu-N5095, J4125, etc . Of course, other Budget Working Laptop are also available.
For example, 15.6 inch i5 4th Budget Workstation Laptop for your mid-level task, 14 inch i5 10th Budget Laptop For 3d Modeling, 15.6 inch i7 5th Budget Laptop For Photoshop, or 15.6 inch i7 10th budget laptop for work, etc. Of course, there are other type device, like Android Tablet, 2 In 1 Laptop , Mini PC , All In One PC.
A thin, portable, light-performance laptop may be the ideal tool when people choose a business laptop, therefore just ask yourself 1.what jobs you mainly need this device to do, then choose the cpu and storage necessary, 2.if need fingerprint or backlight; 3. prefer type C charging? Or traditional DC is ok? 4. Does RJ45 webcam is important for you? 5. how many hours you need the laptop to work when do your main jobs?
6.Camera position, prefer on the middle of screen up? or is ok on the bottom of screen?
Budget Business Laptop,Budget Working Laptop,Budget Workstation Laptop,Budget Laptop For 3d Modeling,Budget Laptop For Photoshop
Henan Shuyi Electronics Co., Ltd. , https://www.shuyipc.com