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參數(shù)資料
| 型號： | HMC121G8 |
| 廠商： | HITTITE MICROWAVE CORP |
| 元件分類： | 衰減器 |
| 英文描述： | 0 MHz - 8000 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 3.5 dB INSERTION LOSS-MAX |
| 封裝： | HERMETIC SEALED, SMT, 8 PIN |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 222K |
| 代理商： | HMC121G8 |
MICROWAVE CORPORATION
2 - 20
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
Visit us at www.hittite.com, or Email at sales@hittite.com
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SMT
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HMC121G8
GaAs MMIC SMT VOLTAGE-VARIABLE
ATTENUATOR, DC - 8 GHz
v01.0801
General Description
Features
Functional Diagram
Wide Bandwidth: DC - 8 GHz
Low Phase Shift vs. Attenuation
30 dB Attenuation Range
Simplied Voltage Control
Electrical Specications, T
A = +25° C, 50 ohm system
Typical Applications
The HMC121G8 is an absorptive voltage variable
attenuator provided in a surface-mount
hermetic
package. It features an on-chip reference attenua-
tor for use with an external op-amp to provide simple
single voltage attenuation control. The device is
ideal in designs where an analog control signal must
control RF signal levels over a 30 dB amplitude
range, such as in AGC circuits and in temperature
compensation of multiple gain stages.
Base Station Infrastructure
Portable Wireless CATV & DBS
MMDS & Wireless LAN
Wireless Local Loop
Fiber Optics, Military, Space
& Test Equipment
Parameter
Min.
Typ.
Max.
Units
Insertion Loss
DC - 4 GHz:
DC - 8 GHz:
1.5
2
3.0
3.5
dB
Attenuation Range
25
30
dB
Return Loss
DC - 4 GHz:
DC - 8 GHz:
10
7
15
10
dB
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
3
6
ns
Input Power for 0.25 dB Compression
(0.5 - 8 GHz)
Min Atten:
Atten >2 dB:
+10
-2
dBm
Input Third Order Intercept
(Two-tone Input Power = -8 dBm Each Tone
Min Atten:
Atten >2 dB:
+25
+10
dBm
DISCONTINUED
PRODUCT
Not
Recommended
for New
Designs
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