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PDF HMC346MS8G Data sheet ( Hoja de datos )
| Número de pieza | HMC346MS8G | |
| Descripción | GaAs MMIC SMT VOLTAGE-VARIABLE ATTENUATOR/ DC - 8 GHz | |
| Fabricantes | Hittite Microwave Corporation | |
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v03.0304 HMC346MS8G
MICROWAVE CORPORATION
GaAs MMIC SMT VOLTAGE-VARIABLE
ATTENUATOR, DC - 8 GHz
Typical Applications
This attenuator is ideal for use as a VVA
9 for DC - 8 GHz applications:
• Point-to-Point Radio
• VSAT Radio
Functional Diagram
Features
Wide Bandwidth: DC - 8 GHz
Low Phase Shift vs. Attenuation
32 dB Attenuation Range
General Description
The HMC346MS8G is an absorptive Voltage Vari-
able Attenuator (VVA) in an 8 lead surface-mount
package operating from DC - 8 GHz. It features
an on-chip reference attenuator for use with an
external op-amp to provide simple single voltage
attenuation control, 0 to -3V. The device is ideal in
designs where an analog DC control signal must
control RF signal levels over a 30 dB amplitude
range. Applications include AGC circuits and tem-
perature compensation of multiple gain stages in
microwave point-to-point and VSAT radios.
Electrical Specifications, TA = +25° C, 50 ohm system
Parameter
Min
Insertion Loss
DC - 8 GHz
Attenuation Range
DC - 8 GHz
27
Return Loss
DC - 8 GHz
5
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
Input Power for 0.25 dB Compression (0.5 - 8 GHz)
Min. Atten.
Atten. >2 dB
Input Third Order Intercept (0.5 - 8 GHz)
(Two-tone Input Power = -8 dBm Each Tone)
Min. Atten.
Atten. >2 dB
Typical
1.5
32
10
2
8
+8
-2
+25
+10
Max
2.5
Units
dB
dB
dB
ns
ns
dBm
dBm
dBm
dBm
9 - 74
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order Online at www.hittite.com
1 page  
MICROWAVE CORPORATION
v03.0304
HMC346MS8G
GaAs MMIC SMT VOLTAGE-VARIABLE
ATTENUATOR, DC - 8 GHz
9
Pin Descriptions
Pin Number
Function
1, 8
RF1
RF2
Description
This pin is DC coupled and matched to 50 Ohm. Blocking
capacitors are required if RF line potential is not equal to 0V.
Interface Schematic
2, 7 GND
This pin must be DC grounded.
3, 6 V2, V1
4I
5 N/C
Single-Line Control Driver
Control Input (Master).
Control Input (Slave).
Not Connected.
9 - 78
External op-amp control circuit maintains impedance match while attenuation is varied. Input control ranges from 0 Volts (min.
attenuation) to -2.5 Volts (max. attenuation.)
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order Online at www.hittite.com
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet HMC346MS8G.PDF ] | |
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