AMMP-6522-BLKG Avago Technologies US Inc., AMMP-6522-BLKG Datasheet - Page 5
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AMMP-6522-BLKG
Manufacturer Part Number
AMMP-6522-BLKG
Description
LNA IR Mixer 6-22GHz Package
Manufacturer
Avago Technologies US Inc.
Datasheet
1.AMMP-6522-TR2G.pdf
(9 pages)
Specifications of AMMP-6522-BLKG
Current - Supply
75mA
Frequency
7GHz ~ 20GHz
Gain
13dB
Noise Figure
2.6dB
Package / Case
8-SMD
Test Frequency
8GHz
Voltage - Supply
3 V ~ 5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Rf Type
-
P1db
-
Lead Free Status / Rohs Status
Compliant
AMMP-6522 Application and Usage
Biasing and Operation
The AMMP-6522 is normally biased with a positive
drain supply connected to the VDD pin and a negative
gate voltage connected to the Vg pin through bypass
capacitors as shown in Figure 17. The recommended
drain supply voltage is 4 V and gate bias voltage is -1 V.
The corresponding currents are 75 mA and 0.1 mA re-
spectively. The typical required LO level is +15 dBm and
it should come from a low noise driver to ensure that
overall Front End NF is low.
The image rejection performance is dependent on the
selection of the IF quadrature hybrid. The performance
of the IF hybrid as well as the phase balance and VSWR
of the interface to the AMMP-6522 will affect the overall
front end performance.
There is minimal performance degradation if Vdd is
lowered to 3 V or raised to 5 V. If lower current is required,
then Vdd = 3 V will provide considerably similar RF
performance.
Figure 17. Application of receiver with IF Balun
5
LSB
IF
RF
LO
IF
USB
Vdd
Vg
1000 pF
1000 pF
Vdd
NC
Vg
+15 dBm
LO
RF
LO
TOP VIEW
PACKAGE BASE: GND
The recommended Vg is -1 V. However, depending on
the operating frequency, Vg can be changed to achieve
better performance for that particular frequency.
Please refer to Figures 9 and 10 for how to best select the
appropriate Vg for the intended frequency of operation.
Theoretically IF frequencies can be as low as DC. How-
ever, when direct conversion is used (IF = DC), a so-called
phenomenon DC-offset could occur at the two IF out-
puts. In most practical applications, IF should be more
than a few hundreds kHz to avoid DC-offset correction.
Refer the Absolute Maximum Ratings table for allowed
DC and thermal condition.
IF1
NC
IF2
1-3.5 GHz
IF
LSB
USB