2.5GHz、22dBm/20dBm功率放大器，帶有模擬閉環(huán)功率控制

MAX2244/MAX2245/MAX2246單電源、低電壓功率放大器(PA)針對2.4GHz至2.5GHz下20dBm Bluetooth? 1類應用而設計。MAX2244/MAX2245可以在大于20dB的輸出功率控制范圍內提供22dBm的峰值輸出功率。22dBm的輸出功率除用于補償PA與天線間的濾波器損失外，可以向天線提供20dBm輸出。MAX2246可以提供20dBm的峰值輸出功率，而電源電流減小30%。\n 該PA集成了功率檢測器和閉環(huán)功率控制電路，可以在電源電壓、溫度以及輸入功率的全范圍內提供近乎恒定的輸出功率。模擬控制輸入電壓可以精確地控制輸出功率的大小。\n MAX22 \n? 在全溫度、電源以及輸入功率范圍內實現精確的閉環(huán)輸出功率控制 \n? 22dBm峰值輸出功率(MAX2244/MAX2245) \n? 內置帶寬受限的功率斜率控制 \n? 0.5μA關斷電流 \n? 裸片級封裝(1.56mm x 1.56mm);

ADI

亞德諾

2.5GHz, 22dBm/20dBm Power Amplifiers with Analog Closed-Loop Power Control

文件：312.91 Kbytes 頁數：14 Pages

MAXIM

美信

16-bit transceivers with direction pins 3-State

DESCRIPTION The MB2245 high-performance BiCMOS device combines low static and dynamic power dissipation with high speed and high output drive. FEATURES ? 16-bit bidirectional bus interface ? Power–up 3-State ? Multiple VCC and GND pins minimize switching noise ? 3-State buffers ? Output cap

文件：78.69 Kbytes 頁數：12 Pages

PHI

PHI

16-bit transceivers with direction pins 3-State

DESCRIPTION The MB2245 high-performance BiCMOS device combines low static and dynamic power dissipation with high speed and high output drive. FEATURES ? 16-bit bidirectional bus interface ? Power–up 3-State ? Multiple VCC and GND pins minimize switching noise ? 3-State buffers ? Output cap

文件：78.69 Kbytes 頁數：12 Pages

PHI

PHI

4MHz PWM Synchronous Buck Regulator with LDO Standby Mode

General Description The Micrel MIC2245 is a high efficiency 4MHz pulse width modulated (PWM) synchronous buck (stepdown) regulator that features a LOWQ? LDO standby mode that draws only 18μA of quiescent current. The MIC2245 allows an ultra-low noise, small size, and high efficiency solution for

文件：564.37 Kbytes 頁數：14 Pages

MICREL

麥瑞半導體