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PDF HMMC-1002 Data sheet ( Hoja de datos )
| Número de pieza | HMMC-1002 | |
| Descripción | DC- 50 GHz Variable Attenuator | |
| Fabricantes | Agilent(Hewlett-Packard) | |
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DC – 50 GHz Variable Attenuator
Technical Data
HMMC-1002
Features
• Specified Frequency Range:
DC -26.5 GHz
• Return Loss: 10 dB
• Minimum Attenuation:
2.0␣ dB
• Maximum Attenuation:
30.0␣ dB
Description
The HMMC-1002 is a monolithic,
voltage variable, GaAs IC attenua-
tor that operates from DC to
50␣ GHz. It is fabricated using
MWTC’s MMICB process which
features an MBE epitaxial layer,
backside ground vias, and FET
gate lengths of approximately
0.4␣ mm. The variable resistive
elements of the HMMC-1002 are
two 750 mm wide series FETs
and four 200 mm wide shunt
FETs. The distributed topology of
the HMMC-1002 minimizes the
parasitic effects of its series and
shunt FETs, allowing the
HMMC-1002 to exhibit a wide
dynamic range across its full
bandwidth. An on-chip DC
reference circuit may be used to
maintain optimum VSWR for any
attenuation setting or to improve
the attenuation versus voltage
linearity of the attenuator circuit.
Chip Size:
Chip Size Tolerance:
Chip Thickness:
RF Pad Dimensions:
DC Pad Dimensions:
1470 x 610 µm (57.9 x 24.0 mils)
± 10µm (± 0.4mils)
127 ± 15 µm (5.0 ± 0.6 mils)
60 x 70 µm (2.4 x 2.8 mils), or larger
75 x 75 µm (3.0 x 3.0 mils), or larger
Absolute Maximum Ratings[1]
Symbol Parameters/Conditions
Units Min. Max.
VDC-RF
V1
V2
VDC
Pin
Tmina
DC Voltage to RF Ports
V1 Control Voltage
V1 Control Voltage
DC In/DC Out
RF Input Power
Minimum Ambient
Operating Temperature
V -0.6 +1.6
V -5.0 +0.5
V -5.0 +0.5
V -0.6 +1.0
dBm
17
°C -55
Tmaxa
Maximum Ambient
Operating Temperature
°C
+125
TSTG
Storage Temperature
°C -65 +165
Tmax
Maximum Assembly Temp.
°C
+300
Note:
1. Operation in excess of any one of these conditions may result in permanent
damage to this device.
5965-5452E
7-12
1 page  
To
DCIN
To To
V1 V2
VREF
(-0.4V to -1.0V)
500 Ω
500 Ω
Op. Amp
–
+
RREF
(350 Ω – 500 Ω)
To
DCOUT
RL
(400 Ω – 500 Ω)
VIN
(0V to -4.0V)
Figure 4. Attenuator Driver.
HMMC-1002 Typical Performance
00
Maximum
Attenuation
10 10
20 20
30 30
40 40
50
60
1.5 4.0
8.0 12.0 16.0 20.0 24.0 26.5
FREQUENCY (GHz)
Figure 5. Attenuation vs. Frequency[1].
50
60
1.5 4.0
Minimum
Attenuation
8.0 12.0 16.0 20.0 24.0 26.5
FREQUENCY (GHz)
Figure 6. Output Return Loss vs.
Frequency[1].
Note:
1. Data obtained from on-wafer measurements. Tchuck = 25°C.
7-16
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet HMMC-1002.PDF ] | |
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