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ALM-81224

AVAGO
Part Number ALM-81224
Manufacturer AVAGO
Description High Linearity 1450 - 2750 MHz Variable Gain Amplifier
Published Dec 1, 2014
Detailed Description ALM-81224 High Linearity 1450 – 2750 MHz Variable Gain Amplifier Data Sheet Description Avago Technologies’ ALM-81224 i...
Datasheet PDF File ALM-81224 PDF File

ALM-81224
ALM-81224

Overview
ALM-81224 High Linearity 1450 – 2750 MHz Variable Gain Amplifier Data Sheet Description Avago Technologies’ ALM-81224 is a high linearity variable-gain amplifier module for use in the 1450-2750MHz band.
Gain control is achieved using a single DC voltage input pin.
High linearity is achieved through the use of Avago Technologies’ proprietary GaAs Enhancementmode pHEMT process1.
It is housed in a miniature 6.
0 x 6.
0 x 1.
0 mm 24-pin Molded Chip On Board (MCOB) package.
Gain changes monotonically with gain control pin voltage.
Input is fully matched.
Output match can be tuned for optimal performance at a particular frequency band within the VGA operation frequency range using common RF board layout.
The compact footprint coupled with high linearity and efficiency makes ALM-81224 an ideal choice for Basestation transmitters and receivers and Temperature Compensation Circuitry applications.
Component Image (6.
0 x 6.
0 x 1.
0) mm 24-lead MCOB AVAGO 81224 WWYY XXXX Note: Package marking provides orientation and identification “81224 “ = Device Code “WWYY” = Date Code identifies month and year of manufacturing “XXXX” = Last 4 digit of assembly lot number Pin Configuration Vdd1 GND GND GND GND Vdd2 24 23 22 21 20 19 GND 1 18 GND RFIN 2 Q1/Q2 3 Interstage 4 ½ ¾ ¿ GROUND 17 ½ ¾ RFOUT 16 ¿ 15 GND GND 5 14 GND GND 6 13 GND 7 8 9 10 11 12 Vc_att GND Vc1 Vc2 GND Vddbias Features x High Linearity at low bias current x High max gain: 23.
8 dB typ x High linearity performance: +16.
5 dBm at -65 dBc ACLR using dual-carrier W-CDMA input signal x Fully-matched 50 Ohm input and simple output match x Low Noise Figure x Built-in attenuator with monotonic response x Variable Gain range: 38 dB typ x GaAs E-pHEMT Technology [1] x Small package size: 6.
0 x 6.
0 x 1.
0 mm Typical Performances 2140 MHz @ 5 V, 383 mA (typ) x 23.
8 dB Gain at minimum attenuation x +16.
5 dBm output power (-65 dBc ACLR) using dual- carrier W-CDMA input signal with PAPR = 7.
5 dB.
x NF: 2dB @ max gain and 16...


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