HMC473MS8_08 Datasheet, PDF (1/8 Pages) Hittite Microwave Corporation – GaAs MMIC VOLTAGE VARIABLE ATTENUATOR, 0.45 - 2.2 GHz

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HMC473MS8 / 473MS8E
v01.1105
GaAs MMIC VOLTAGE VARIABLE
ATTENUATOR, 0.45 - 2.2 GHz
Typical Applications
The HMC473MS8 / HMC473MS8E is ideal for:
• Cellular, UMTS/3G Infrastructure
• Portable Wireless
• GPS
Functional Diagram
Features
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
General Description
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.
Electrical Specifications, T_A = +25° C, Vdd = +3.3 Vdc, 50 Ohm System
Parameter
Min.
Typ.
Insertion Loss (Min. Atten.)
(Vctl = 0.0 Vdc)
0.45 - 0.8 GHz
1.8
0.8 - 1.0 GHz
1.9
1.0 - 1.6 GHz
2.4
1.6 - 2.0 GHz
2.8
2.0 - 2.2 GHz
3.0
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
39
43
48
32
37
27
32
24
29
Return Loss
(Vctl = 0 to +3 V)
0.45 - 0.8 GHz
15
0.8 - 1.0 GHz
14
1.0 - 1.6 GHz
11
1.6 - 2.0 GHz
10
2.0 - 2.2 GHz
9
Input Power for 0.1 dB Compression
(0.9 GHz)
Min Atten.
20
Atten. >2.0
5.5
Input Power for 1.0 dB Compression
(0.9 GHz)
Min Atten.
Atten. >2.0
24
28
11
15
Input Third Order Intercept
Min Atten.
47
(0.9 GHz, Two-tone Input Power = +5.0 dBm Each Tone)
Atten. >2.0
20
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
0.45 - 2.2 GHz
1.3
1.5
Max.
2.2
2.3
2.9
3.3
3.5
Units
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dBm
dBm
dBm
dBm
dBm
dBm
µS
µS
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: [phone] Fax: [phone]
Order On-line at www.hittite.com