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IAM-91563 Datasheet

3V Downconverter

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IAM-91563 pdf
IAM-91563
0.8–6 GHz 3V Downconverter
Data Sheet
Description
Avago’s IAM-91563 is an economical 3V GaAs MMIC mixer
used for frequency down-conversion. RF frequency cover-
age is from 0.8 to 6 GHz and IF ­coverage is from 50 to 700
MHz. Packaged in the SOT-363 ­package, this 4.0 sq. mm.
package requires half the board space of a SOT-143 and
only 15% the board space of an SO‑8 package.
At 1.9 GHz, the IAM-91563 ­ provides 9 dB of conversion
gain, thus eliminating an RF or IF gain stage normally
needed with a lossy mixer. LO drive power is nominally
only -5 dBm, eliminating an LO buffer amplifier. The 8.5 dB
noise figure is low enough to allow the system to use a
low cost LNA. The
system linearity for
-m6 odsBt mcomInmpuetrcIiPa3l ­
provides adequate
applications, but is
adjustable to 0 dBm.
The circuit uses GaAs PHEMT technology with proven reli-
ability, and uniformity. The MMIC ­consists of a cascode FET
structure that provides unbalanced gm modulation type
mixing. An on-chip LO buffer amp drives the mixer while
bias circuitry allows a single +3V supply (through a choked
IF port). The LO port is internally matched to 50 Ω. The
RF and IF ports are high impedance and require external
matching networks.
Surface Mount Package: SOT-363 (SC-70)
Pin Connections and Package Marking
MGA-86563 Pkg
LO 1
6 IF and Vd
GND 2
5 GND
RF 3
4 SOURCE
BYPASS
Note:
1. Package marking provides orientation and identification.
Features
Lead-free Option Available
+0 dBm Input IP3 at 1.9 GHz
Single +3V Supply
8.5 dB SSB Noise Figure at 1.9 GHz
9.0 dB Conversion Gain at 1.9 GHz
Ultra-miniature Package
Applications
Downconverter for PCS, PHS, ISM, WLL, and other
Wireless Applications
Attention: Observe precautions for
handling electrostatic ­sensitive devices.
ESD Human Body Model (Class 0)
Refer to Avago Application Note A004R:
Electrostatic Discharge Damage and Control.
Simplified Schematic
LO
1
RF
3
IF and Vd
6
SOURCE
BYPASS
4
GROUND
2, 5

AVAGO
AVAGO



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