Tx Front-End Module for Quad-Band GSM / EDGE

Description The SKY77528 is a transmit Front-End Module (FEM) designed for quad-band Global System for Mobile Communications (GSM), General Packet Radio Service (GPRS), and Enhanced Data Rate for GSM Evolution (EDGE) handsets and modules. The SKY77528 consists of a GSM850/EGSM900 PA bl

Tx Front-end Module for Quad-Band GSM / EDGE

Please note: this product is being discontinued and is not recommended for new designs.\n\nThe SKY77528 is a transmit Front-End Module (FEM) designed for quad-band Global System forMobile Communications (GSM), General Packet Radio Service (GPRS), and Enhanced Data Rate forGSM Evolution (EDGE) handse • High efficiency:- GSM850, 45% (peak)- EGSM900, 45% (peak)- DCS1800, 40% (peak)- PCS1900, 40% (peak)\n• Low-loss PHEMT RF antenna switch\n• Detector output: linear dB/V\n• Closed loop GMSK mode power control\n• Low VRAMP current\n• Low VBATT detection\n• Integrated temperature senso;

丝印代码：7528；TLV775 500mA, Small-Size, High-PSRR, Low-Dropout Regulator With Enable

1 Features • High PSRR: 60dB (1kHz), 45dB (1MHz) • VIN range: 1.5V to 5.5V • Fixed output voltage range: 0.6V to 3.3V • Output voltage accuracy: 2% • Low dropout voltage: – 255mV max at 500mA (3.3VOUT) • Foldback current limit • Active output pulldown resistor • Package: – 2.9mm × 2.