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参数资料
| 型号： | HMC908LC5 |
| 厂商： | HITTITE MICROWAVE CORP |
| 元件分类： | 上/下变频器 |
| 英文描述： | RF/MICROWAVE DOWN CONVERTER |
| 封装： | 5 X 5 MM, ROHS COMPLIANT, LEADLESS, CERAMIC, SMT-25 |
| 文件页数： | 1/6页 |
| 文件大小： | 898K |
| 代理商： | HMC908LC5 |
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For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
HMC908LC5
GaAs MMIC I/Q DOWNCONVERTER
9 - 12 GHz
v02.1110
General Description
Features
Typical Applications
The Hmc908Lc5 is a compact GaAs mcm i/q
downconverter in a leadless roHs compliant smT
ceramic package. This device provides a small signal
conversion gain of 11 dB with a noise figure of 2.2 dB
and 25 dB of image rejection. The Hmc908Lc5
utilizes an LNA followed by an image reject mixer
which is driven by an LO buffer amplifier. The image
reject mixer eliminates the need for a filter following the
LNA, and removes thermal noise at the image fre-
quency. i and q mixer outputs are provided and
an external 90° hybrid is needed to select the
required sideband. The Hmc908Lc5 is a much
smaller alternative to hybrid style image reject mixer
downconverter assemblies, and it eliminates the need
for wire bonding by allowing the use of surface mount
manufacturing techniques.
Electrical Specifications, T
A = +25 °C,
IF = 100 MHz, LO = 0 dBm, VD1 = VD2 = 3V, VD3 = 5V*
Parameter
min.
Typ.
max.
Units
Frequency range, rF
9 - 12
GHz
Frequency range, LO
5.5 - 15.5
GHz
Frequency range, iF
Dc - 3.5
GHz
conversion Gain (As irm)
8
11
dB
Noise Figure
2.2
dB
image rejection
15
25
dB
1 dB compression (input)
-5
dBm
LO to rF isolation
40
50
dB
LO to iF isolation
5
10
dB
iP3 (input)
-3
2
dBm
Amplitude Balance
±1
dB
Phase Balance
±6
Deg
supply current (iD1 + iD2)
60
88
mA
supply current (iD3)
100
120
mA
*Data taken as irm with external iF Hybrid
Functional Diagram
The Hmc908Lc5 is ideal for:
Point-to-Point and Point-to-multi-Point radio
military radar, eW & eLiNT
satellite communications
maritime & mobile radio
conversion Gain: 11 dB
image rejection: 25 dB
LO to rF isolation: -50 dB
Noise Figure: 2.2 dB
input iP3: +2 dBm
32 Lead 5x5mm ceramic smT Package: 25mm
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