HMC322LP4 / 322LP4E
v05.1205
GaAs MMIC SP8T NON-REFLECTIVE
SWITCH, DC - 8 GHz
Typical Applications
Features
This switch is suitable for usage in DC - 8.0 GHz 50-
Ohm or 75-Ohm systems:
Broadband Performance: DC - 8.0 GHz
High Isolation: >30 dB@ 6 GHz
Low Insertion Loss: 2.4 dB@ 6 GHz
Integrated 3:8 TTL Decoder
4x4 mm SMT Package
• Broadband
• Fiber Optics
• Switched Filter Banks
• Wireless below 8 GHz
General Description
Functional Diagram
The HMC322LP4 & HMC322LP4E are broadband
non-reflective GaAs MESFET SP8T switches in low
cost leadless surface mount packages. Covering DC
to 8 GHz, this switch offers high isolation and low
insertion loss. This switch also includes an on board
binary decoder circuit which reduces the required
logic control lines to three. The switch operates using
a negative control voltage of 0/-5 volts, and requires
a fixed bias of -5V. This switch is suitable for usage in
50-Ohm or 75-Ohm systems.
10
Electrical Specifications, TA = +25° C, With 0/-5V Control, 50 Ohm System
Parameter
Frequency
Min.
Typ.
Max.
Units
DC - 2.0 GHz
DC - 4.0 GHz
DC - 8.0 GHz
2.1
2.3
2.5
2.5
2.7
2.9
dB
dB
dB
Insertion Loss
Isolation
DC - 2.0 GHz
DC - 4.0 GHz
DC - 6.0 GHz
DC - 8.0 GHz
35
30
25
20
40
35
30
25
dB
dB
dB
dB
DC - 2.0 GHz
DC - 8.0 GHz
9
6
12
10
dB
dB
Return Loss
Return Loss
“On State”
“Off State”
DC - 8.0 GHz
0.5 - 8.0 GHz
7
10
23
dB
Input Power for 1 dB Compression
19
dBm
Input Third Order Intercept
(Two-Tone Input Power = +7 dBm Each Tone)
0.5 - 8.0 GHz
DC - 8.0 GHz
36
40
dBm
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
50
150
ns
ns
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
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