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Numéro de référence | HMC346 | ||
Description | GaAs MMIC VOLTAGE-VARIABLE ATTENUATOR/ DC - 20 GHz | ||
Fabricant | Hittite Microwave Corporation | ||
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1 Page
v01.0304
MICROWAVE CORPORATION
HMC346
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, DC - 20 GHz
Typical Applications
This attenuator is ideal for use as a VVA
for DC - 20 GHz applications:
2 • Point-to-Point Radio
• VSAT Radio
Features
Wide Bandwidth: DC - 20 GHz
Low Phase Shift vs. Attenuation
32 dB Attenuation Range
Die Size: 0.85 mm x 0.85 mm x 0.1 mm
Functional Diagram
General Description
The HMC346 die is an absorptive Voltage Variable
Attenuator (VVA) operating from DC - 20 GHz. It
features an on-chip reference attenuator for use with
an external op-amp to provide simple single volt-
age 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 ampli-
tude range. For plastic packaged version, see the
HMC346MS8G which operates from DC - 8 GHz.
Electrical Specifications, TA = +25° C, 50 ohm system
Parameter
Min.
Typ.
Max.
Units
Insertion Loss
DC - 12GHz:
DC - 20 GHz:
1.7 2.3 dB
2.2 2.8 dB
Attenuation Range
DC - 12 GHz:
DC - 20 GHz:
27
22
32
25
dB
dB
Return Loss
DC - 12 GHz:
12 - 20 GHz:
6
10
10
15
dB
dB
Switching Characteristics
tRISE, tFALL (10/90% RF):
tON, tOFF (50% CTL to 10/90% RF):
2
8
ns
ns
Input Power for 0.25 dB Compression (0.5 - 20 GHz)
Min. Atten:
Atten. >2 dB:
+8
+4
dBm
dBm
Input Third Order Intercept (0.5 - 20 GHz)
(Two-tone Input Power = -8 dBm Each Tone)
Min. Atten:
Atten. >2 dB:
+25
+10
dBm
dBm
2-2
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
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Pages | Pages 6 | ||
Télécharger | [ HMC346 ] |
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