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5 - 156
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
General Description
Features
Functional Diagram
RoHS Compliant Product
Single Positive Voltage Control: 0 to +3V
High Attenuation Range: 48 dB @ 0.9 GHz
High P1dB Compression Point: +15 dBm
Ultra Small Package: MSOP8
Replaces HMC173MS8
Electrical Specifi cations, T
A
= +25?C, Vdd = +3.3 Vdc, 50 Ohm System
Typical Applications
The HMC473MS8 & HMC473MS8E are general
purpose absorptive voltage variable attenuators
in 8-lead MSOP packages. The devices operate
with a +3.3V supply voltage and a 0 to +3V control
voltage. Unique features include a high dynamic
attenuation range of up to 48 dB and excellent
power handling performance through all attenuation
states. The HMC473MS8 & HMC473MS8E are ideal
for operation in wireless applications from 0.45 to
1.6 GHz. Operation from 1.7 to 2.2 GHz is possible
with a reduced maximum attenuation of 29 to 32 dB.
Improved control voltage linearity vs. attenuation can
be achieved with an external driver circuit.
The HMC473MS8 / HMC473MS8E is ideal for:
" Cellular, UMTS/3G Infrastructure
" Portable Wireless
" GPS
Parameter
Min.
Typ.
Max.
Units
Insertion Loss (Min. Atten.)
(Vctl = 0.0 Vdc)
0.45 - 0.8 GHz
0.8 - 1.0 GHz
1.0 - 1.6 GHz
1.6 - 2.0 GHz
2.0 - 2.2 GHz
1.8
1.9
2.4
2.8
3.0
2.2
2.3
2.9
3.3
3.5
dB
dB
dB
dB
dB
Attenuation Range
(Vctl = 0 to +3 V)
0.45 - 0.8 GHz
0.8 - 1.0 GHz
1.0 - 1.6 GHz
1.6 - 2.0 GHz
2.0 - 2.2 GHz
34
43
32
27
24
39
48
37
32
29
dB
dB
dB
dB
dB
Return Loss
(Vctl = 0 to +3 V)
0.45 - 0.8 GHz
0.8 - 1.0 GHz
1.0 - 1.6 GHz
1.6 - 2.0 GHz
2.0 - 2.2 GHz
15
14
11
10
9
dB
dB
dB
Input Power for 0.1 dB Compression
(0.9 GHz)
Min Atten.
Atten. >2.0
20
5.5
dBm
dBm
Input Power for 1.0 dB Compression
(0.9 GHz)
Min Atten.
Atten. >2.0
24
11
28
15
dBm
dBm
Input Third Order Intercept
(0.9 GHz, Two-tone Input Power = +5.0 dBm Each Tone)
Min Atten.
Atten. >2.0
47
20
dBm
dBm
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
0.45 - 2.2 GHz
1.3
1.5
礢
礢
GaAs MMIC VOLTAGE VARIABLE
ATTENUATOR, 0.45 - 2.2 GHz
HMC473MS8 / 473MS8E
v01.1105
发布紧急采购，3分钟左右您将得到回复。
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