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E2Q0044-49-21 electronic components
This version: Feb. 1999 Previous version: Jul. 1998 KGF2441
electronic components KGF2441
AGC Amplifier
GENERAL DESCRIPTION
The KGF2441 is a GaAs FET AGC amplifier offering a wide dynamic range of 80 dB. With control over a +30 dB (max.) to -50 dB (min.) range at 130 MHz, the device also provides excellent gain slope linearity. The KGF2441 operates with a single 5-V power supply with a low current operation of 5 mA (typ.) The device is particularly suited to IF-stage amplifier applications, such as portable handy phones based on CDMA-type digital cellular technology operating over wide dynamic ranges.
FEATURES
* Wide dynamic range: 80 dB (min.) * Excellent gain slope linearity for AGC voltage * Low current operation: 5 V, 5 mA (typ.) * Package: 8PSOP
PACKAGE DIMENSIONS
5.20.2 1.60.2 0.150.1
0 to 0.3 5.00.2 6.80.4 0.40MIN Package material 0.350.1 1.270.2 Lead frame material Pin treatment Solder plate thickness
INDEX MARK
Epoxy resin 42 alloy Solder plating 5 mm or more
(Unit: mm)
1/5
electronic components
KGF2441
MARKING
(8) (7) (6) (5)
K2441 XXX
INDEX (1) (2) (3) (4)
PRODUCT TYPE COMPANY LOGO LOT NUMBER (1) VOUT (2) VDD3 (3) VDD2 (4) VDD1 (5) VIN (6) GND (7) VAGC (8) GND
CIRCUIT
2/5
electronic components
KGF2441
ABSOLUTE MAXIMUM RATINGS
Item Supply voltage 1 Supply voltage 2 Supply voltage 3 Gain control voltage Input voltage Output voltage Total power dissipation Storage temperature Symbol VDD1 VDD2 VDD3 VAGC VIN VOUT Ptot Tstg Condition Ta = 25C Ta = 25C Ta = 25C Ta = 25C Ta = 25C Ta = 25C Ta = 25C -- Unit V V V V V V mW C Min. -- -- -- 0 -3 VDD/2-0.4 -- -45 Max. 5.5 5.5 5.5 VDD-2 0.4 VDD/2+3 or VDD 200 125
ELECTRICAL CHARACTERISTICS
Ta = 25C , f = 130 MHz , VDD = 5 V Item Maximum gain Minimum gain Output IP3 Noise figure Supply current Input impedance Output impedance Symbol GMAX GMIN IP3 F |DD ZIN ZOUT Condition VAGC = 0 V VAGC = 5 V VAGC = 0 V, fLO =129 MHz VAGC = 0 V VAGC = 0 V VAGC = 0 V VAGC = 0 V Unit dB dB dBm dB mA W W Min. 30 -- -- -- -- 800 -- Typ. -- -- -4.5 -- 5 -- 175 Max. -- -50 -- 10 10 1200 --
3/5
electronic components
KGF2441
RF CHARACTERISTICS
4/5
electronic components
KGF2441
Test Circuit for KGF2441 at 130 MHz
VDD
39W C1 0.01mF C2 0.01mF
39W C3 0.01mF
39W
r
e
w
0.1mH
7pF
0.01mF
t
RF IN
0.15mH
KGF2441
y u
78W
q 1000pF
0.22mH
14pF
RF OUT
i
VAGC
5/5
E2Y0002-29-11
NOTICE
1. The information contained herein can change without notice owing to product and/or technical improvements. Before using the product, please make sure that the information being referred to is up-to-date. The outline of action and examples for application circuits described herein have been chosen as an explanation for the standard action and performance of the product. When planning to use the product, please ensure that the external conditions are reflected in the actual circuit, assembly, and program designs. When designing your product, please use our product below the specified maximum ratings and within the specified operating ranges including, but not limited to, operating voltage, power dissipation, and operating temperature. Oki assumes no responsibility or liability whatsoever for any failure or unusual or unexpected operation resulting from misuse, neglect, improper installation, repair, alteration or accident, improper handling, or unusual physical or electrical stress including, but not limited to, exposure to parameters beyond the specified maximum ratings or operation outside the specified operating range. Neither indemnity against nor license of a third party's industrial and intellectual property right, etc. is granted by us in connection with the use of the product and/or the information and drawings contained herein. No responsibility is assumed by us for any infringement of a third party's right which may result from the use thereof. The products listed in this document are intended for use in general electronics equipment for commercial applications (e.g., office automation, communication equipment, measurement equipment, consumer electronics, etc.). These products are not authorized for use in any system or application that requires special or enhanced quality and reliability characteristics nor in any system or application where the failure of such system or application may result in the loss or damage of property, or death or injury to humans. Such applications include, but are not limited to, traffic and automotive equipment, safety devices, aerospace equipment, nuclear power control, medical equipment, and life-support systems. Certain products in this document may need government approval before they can be exported to particular countries. The purchaser assumes the responsibility of determining the legality of export of these products and will take appropriate and necessary steps at their own expense for these. No part of the contents cotained herein may be reprinted or reproduced without our prior permission. MS-DOS is a registered trademark of Microsoft Corporation.
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Copyright 1999 Oki Electric Industry Co., Ltd.
Printed in Japan

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