HMC347LP3 / 347LP3E
v06.0805
GaAs MMIC SPDT NON-REFLECTIVE
SWITCH, DC - 14 GHz
Typical Applications
Features
The HMC347LP3 / HMC347LP3E is ideal for:
High Isolation: >50 dB up to 3 GHz
• Basestation Infrastructure
>45 dB up to 10 GHz
• Fiber Optics & Broadband Telecom
• Microwave Radio & VSAT
Low Insertion Loss: 1.6 dB @ 10 GHz
Non-Reflective Design
• Military Radios, Radar, & ECM
• Test Instrumentation
3x3 mm QFN SMT Package
General Description
Functional Diagram
The HMC347LP3 & HMC347LP3E are broadband
high isolation non-reflective GaAs MESFET SPDT
switches in low cost leadless QFN surface mount
plastic packages. Covering DC to 14 GHz, the switch
offers high isolation and low insertion loss. The switch
features >50 dB isolation up to 3 GHz and >40 dB
isolation up to 13 GHz. The switch operates using
complementary negative control voltage logic lines of
-5/0V and requires no bias supply. This SPDT is an
excellent alternative to the HMC132C8 SPDT.
10
Electrical Specifications, TA = +25° C, With 0/-5V Control, 50 Ohm System
Parameter
Frequency
Min.
Typ.
Max.
Units
DC - 3.0 GHz
DC - 6.0 GHz
DC - 12.0 GHz
DC - 14.0 GHz
1.5
1.6
1.6
1.9
1.9
2.0
2.1
2.4
dB
dB
dB
dB
Insertion Loss
DC - 3.0 GHz
DC - 6.0 GHz
DC - 12.0 GHz
DC - 14.0 GHz
49
41
39
33
53
46
44
38
dB
dB
dB
dB
Isolation
DC - 6.0 GHz
DC - 14.0 GHz
10
8
13
13
dB
dB
Return Loss
“On State”
“Off State”
DC - 6.0 GHz
DC - 14.0 GHz
7
6
10
9
dB
dB
Return Loss RF1, RF2
Input Power for 1 dB Compression
Input Third Order Intercept
0.5 - 14.0 GHz
0.5 - 14.0 GHz
19
38
23
43
dBm
dBm
(Two-Tone Input Power= +7 dBm Each Tone)
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
DC - 14 GHz
3
6
ns
ns
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