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PDF HMC712LP3C Data sheet ( Hoja de datos )
| Número de pieza | HMC712LP3C | |
| Descripción | GaAs MMIC VOLTAGE-VARIABLE ATTENUATOR | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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v06.0312
HMC712LP3C
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, 5 - 26.5 GHz
Typical Applications
The HMC712LP3CE is ideal for:
• Point-to-Point Radio
• VSAT Radio
• Test Instrumentation
• Microwave Sensors
• Military, ECM & Radar
Features
Wide Bandwidth: 5 - 26.5 GHz
Excellent Linearity: +28 dBm Input P1dB
Wide Attenuation Range: 28 dB
Absorptive Topology
Singe or Dual Control Operation
16 Lead 3x3mm SMT Package: 9mm²
Functional Diagram
General Description
The HMC712LP3CE is an absorptive Voltage Var-
iable Attenuator (VVA) which operates from 5 - 26.5
GHz and is ideal in designs where an analog DC
control signal must be used to control RF signal
levels over a 28 dB amplitude range. It features two
shunt-type attenuators which are controlled by two
analog voltages, Vctrl1 and Vctrl2. Optimum linearity
performance of the attenuator is achieved by first
varying Vctrl1 of the 1st attenuation stage from -3V
to 0V with Vctrl2 fixed at -3V. The control voltage of
the 2nd attenuation stage, Vctrl2, should then be
varied from -3V to 0V, with Vctrl1 fixed at 0V. The
HMC712LP3CE is housed in a RoHS compliant
3x3 mm QFN leadless package
However, if the Vctrl1 and Vctrl2 pins are connected
together it is possible to achieve the full analog
attenuation range with only a small degradation
in input IP3 performance. Applications include
AGC circuits and temperature compensation of
multiple gain stages in microwave point-to-point and
VSAT radios.
Electrical Specifications, TA = +25° C, 50 Ohm system
Parameter
Min.
Typ.
Max.
Units
Insertion Loss
5 - 16 GHz
16 - 24 GHz
24 - 26.5 GHz
3.5
4.5
5.5
dB
dB
dB
Attenuation Range
28 dB
Input Return Loss
12 dB
Output Return Loss
10 dB
Input Power for 1 dB Compression (any attenuation)
28 dBm
Input Third Order Intercept
(Two-tone Input Power = 10 dBm Each Tone)
32 dBm
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1 page  
v06.0312
Input IP3 vs Input Power @ 10 GHz
Vctrl1 = Variable, Vctrl2 = -3V
60
50
40
30
20
10
0
-3.0 V
-2.0 V
-1.6 V
-1.0 V
0.0 V
5 10 15
SINGLE TONE INPUT POWER (dBm)
20
Input IP3 vs. Input Power Over Temperature
@ 10 GHz, Vctrl1 = -2.0V, Vctrl2 = -3V
40
35
30
25
20
0
+25 C
+85 C
-40 C
5 10 15
SINGLE TONE INPUT POWER (dBm)
20
Attenuation vs. Vctrl over Temperature
@ 10 GHz, Vctrl1 = Vctrl2
0
-10
-20
-30
-40
-3
+25 C
+85 C
-40 C
-2.5 -2 -1.5 -1 -0.5
CONTROL VOLTAGE (V)
0
HMC712LP3C
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, 5 - 26.5 GHz
Input IP3 vs. Input Power Over Frequency
Vctrl1 = -2.0V, Vctrl2 = -3V (Worst Case IP3)
40
35
30
25
20
0
5 GHz
15 GHz
20 GHz
30 GHz
5 10 15
SINGLE TONE INPUT POWER (dBm)
20
Attenuation vs. Frequency over Vctrl
Vctrl1 = Vctrl2
0
-10
-20
-30
-40
-50
2
-3.0 V
-1.6 V
-1.2 V
-0.6 V
0.0 V
9 16 23
FREQUENCY (GHz)
30
Attenuation vs. Input Power over Vctrl
Vctrl1 = Vctrl2
0
-10
-20
-30
-40
0
-3.0 V
-1.8 V
-1.4 V
-1.0 V
-0.4 V
0.0 V
5 10 15
INPUT POWER (dBm)
20
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4
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet HMC712LP3C.PDF ] | |
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