HMC344 데이터 시트보기 (PDF) - Hittite Microwave
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HMC344 Datasheet PDF : 6 Pages
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MICROWAVE CORPORATION
v01.0404
HMC344
GaAs MMIC SP4T NON-REFLECTIVE
SWITCH, DC - 8.0 GHz
Typical Applications
The HMC344 is ideal for:
• Telecom Infrastructure
• Microwave Radio & VSAT
• Military & Space
• Test Instrumentation
Functional Diagram
7
Features
Broadband Performance: DC - 8.0 GHz
Low Insertion Loss: 1.8 dB @ 6.0 GHz
Integrated 2:4 TTL Decoder
Small Size: 1.08 mm x 1.05 mm x 0.10 mm
General Description
The HMC344 is a broadband non-reflective GaAs
MESFET SP4T switch chip. Covering DC to 8.0
GHz, this switch offers high isolation and low
insertion loss and extends the frequency cover-
age of Hittite’s SP4T switch product line. This
switch also includes an on board binary decoder
circuit which reduces the required logic control
lines to two. The switch operates using a nega-
tive control voltage of 0/-5V, and requires a fixed
bias of -5V. All data is tested with the chip in a 50
Ohm test fixture connected via 0.025 mm (1 mil)
diameter wire bonds of minimal length 0.31 mm
(12 mils).
Electrical Specifications, TA = +25° C, With 0/-5V Control, Vee= -5V, 50 Ohm System
Parameter
Frequency
Min.
Typ.
Max.
Units
Insertion Loss
DC - 6.0 GHz
DC - 8.0 GHz
1.8
2.1
dB
1.9
2.2
dB
Isolation
DC - 2.0 GHz
44
49
dB
DC - 4.0 GHz
37
42
dB
DC - 6.0 GHz
34
39
dB
DC - 8.0 GHz
30
35
dB
Return Loss
“On State”
DC - 2.0 GHz
10
14
DC - 8.0 GHz
7
10
dB
dB
Return Loss
“Off State”
DC - 8.0 GHz
7
10
dB
Input Power for 1 dB Compression
0.5 - 8.0 GHz
17
21
dBm
Input Third Order Intercept
(Two-Tone Input Power= +7 dBm Each Tone)
0.5 - 8.0 GHz
37
40
dBm
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
DC - 8.0 GHz
35
ns
150
ns
7 - 20
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order Online at www.hittite.com
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