NJM2275

NJM2275 www.DataSheet4U.com VHF/UHF BAND RF AMPLIFIER GENERAL DESCRIPTION The NJM2275 is a low current, low voltage RF amplifier, especially designed for VHF/UHF band. The center frequency of this narrow band amplifier is changed by external components. PACKAGE OUTLINE NJM2275F1 FEATURES Wide Operating Voltage Low Operating Current High Gain Power Gain Voltage Gain Operating Frequency band High Isolation (OUT to IN) Bipolar Technology Package Outline 1.8V to 6V 0.8mA type. @ V+ =1.9V, no signal input 15dB @1.9V, 400MHz input 30dB @1.9V, 400MHz input, 1kΩ load Up to 800MHz 45dB @1.9V, 400MHz SOT23-6 (MTP6) PIN CONFIGULATION Orientation Mark 1 2 3 Top View Simplified Block Diagram 6 5 4 Pin Function 1. RF IN 2. GND 3. BIAS CAP 4. RF OUT 5. IREF 6. V+ RF IN 1 GND 2 BIAS CAP 3 V+ 6 I REF 5 RF OUT 4 RF IN 1 GND 2 BIAS CAP 3 V+ 6 I REF 5 RF OUT 4 Ver.2005-06-01 -1- NJM2275 w w w . D a t a S h e e t 4 U . c o m ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Power Dissipation RF Input Level Operating Temperature Storage Temperature SYMBOL V+ PD Pinmax Topr Tstg RATINGS 10.0 200 6 - 40 to + 85 - 40 to +125 (Ta=25°C) UNIT V mW dBm °C °C (Ta=25°C) MIN. 1.8 TYP. 1.9 MAX. 6.0 UNIT V RECOMMENDED OPERATING CONDITIONS PARAMETER Supply Voltage SYMBOL V+ TEST CONDITIONS ELECTRICAL CHARACTERISTICS PARAMETER Operating Current Power Gain Voltage Gain Noise Figure Input Return Loss Output Return Loss RF OUT - RF IN Isolation Power Input at 1dB compression Point (Ta=25°C, V+=...