双通道多模全频点射频接收机

GM4622是一款高度集成的BD2-B1、B2、B3、GPS L1以及GLONASS L1双通道多模全频点射频接收机，支持双通道同时或独立工作。两个通道完全相同，通过调节输入匹配和SPI配置，单通道可以实现任意导航频点的射频接收。\n 芯片实现了全集成，内部包括低噪放、镜频抑制混频器、可调谐滤波器、可变增益放大器、锁相环以及低压差线性稳压器等模块。采用单端射频输入，模拟和数字中频输出，仅需很少的外围元器件即可工作，具有集成度高、体积小等特点。此外芯片的高低本振可选；62MHz时钟可内部输出，也可由外部提供输入。\n 芯片供电电压1.8V~3.3V，内核电压1.2V，用户可根据实际情 • 功耗低：3.3V工作电压，三温测试下；\n• 双通道同时工作电流小于80mA；\n• 单接收通道工作电流小于45mA；\n• 体积小：QFN48L塑料封装，6mm（长）×6mm（宽）；\n• 芯片可双通道同时工作，也可单通道工作；;

ZENER DIODE CHIPS

• 1N4614 THRU 1N4627 AVAILABLE IN JANHC AND JANKC PER MIL-PRF-19500/435 • ZENER DIODE CHIPS • ALL JUNCTIONS COMPLETELY PROTECTED WITH SILICON DIOXIDE • ELECTRICALLY EQUIVALENT TO 1N4614 THRU 1N4627 • 0.5 WATT CAPABILITY WITH PROPER HEAT SINKING • COMPATIBLE WITH ALL WIRE BONDING AND DIE ATTAC

LEADLESS PACKAGE FOR SURFACE MOUNT

• 1N4614UR-1 THRU 1N4627UR-1 AVAILABLE IN JAN, JANTX, JANTXV AND JANS PER MIL-PRF-19500/435 • LEADLESS PACKAGE FOR SURFACE MOUNT • LOW CURRENT OPERATION AT 250 µA • METALLURGICALLY BONDED

500mW LOW NOISE ZENER DIODE 5 TOLERANCE

DESCRIPTION: The CENTRAL SEMICONDUCTOR CLL4614 Series Silicon Zener Diode is a high quality voltage regulator designed for low leakage, low current and low noise applications

350mW LOW NOISE ZENER DIODE 5 TOLERANCE

DESCRIPTION: The CENTRAL SEMICONDUCTOR CMPZ4614 Series types are high quality silicon zener diodes designed for low leakage, low current and low noise applications.

Dual, 5??Analog Switches

General Description The MAX4621/MAX4622/MAX4623 are precision, dual, high-speed analog switches. The single-pole/single-throw (SPST) MAX4621 and double-pole/single-throw (DPST) MAX4623 dual switches are normally open (NO). The single-pole/double-throw (SPDT) MAX4622 has two normally closed (NC) a