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PDF HMC349MS8G Data sheet ( Hoja de datos )
| Número de pieza | HMC349MS8G | |
| Descripción | HIGH ISOLATION SPDT NON-REFLECTIVE SWITCH/ DC - 4.0 GHz | |
| Fabricantes | Hittite Microwave Corporation | |
| Logotipo |  |
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v00.0304
MICROWAVE CORPORATION
HMC349MS8G
HIGH ISOLATION SPDT
NON-REFLECTIVE SWITCH, DC - 4.0 GHz
14
14 - 230
Typical Applications
Features
The HMC349MS8G is ideal for:
• Basestation Infrastructure
• MMDS & 3.5 GHz WLL
• CATV/CMTS
• Test Instrumentation
Functional Diagram
High Isolation: 70 dB @ 1 GHz
57 dB @ 2 GHz
Single Positive Control: 0/+5V
+52 dBm Input IP3
Non-Reflective Design
All Off State
Ultra Small MS8G SMT Package: 14.8 mm2
General Description
The HMC349MS8G is a high isolation non-
reflective DC to 4 GHz GaAs MESFET SPDT
switch in a low cost 8 lead MSOP8G surface
mount package with an exposed ground paddle.
The switch is ideal for cellular/PCS/3G basestation
applications yielding 50 to 60 dB isolation, low 0.8
dB insertion loss and +52 dBm input IP3. Power
handling is excellent up through the 3.5 GHz WLL
band with the switch offering a P1dB compression
point of +31 dBm. On-chip circuitry allows a
single positive voltage control of 0/+5 Volts at very
low DC currents. An enable input (EN) set to logic
high will put the switch in an “all off” state.
Electrical Specifications, TA = +25° C, Vctl = 0/+5 Vdc, Vdd = +5 Vdc, 50 Ohm System
Parameter
Frequency
Min.
Typ.
Max.
Units
Insertion Loss
DC - 1.0 GHz
DC - 2.0 GHz
DC - 3.0 GHz
DC - 4.0 GHz
0.8 1.1 dB
0.9 1.2 dB
1.2 1.5 dB
1.8 2.1 dB
Isolation (RFC to RF1/RF2)
DC - 1.0 GHz
DC - 2.0 GHz
DC - 3.0 GHz
DC - 4.0 GHz
60 70
54 57
45 50
42 47
dB
dB
dB
dB
Return Loss (On State)
DC - 1.0 GHz
DC - 2.0 GHz
DC - 3.0 GHz
DC - 4.0 GHz
23 dB
18 dB
13 dB
8 dB
Return Loss (Off State)
0.5 - 2.0 GHz
0.5 - 3.0 GHz
0.5 - 4.0 GHz
20 dB
17 dB
14 dB
Input Power for 1 dB Compression
0.25 - 4.0 GHz
27 31
dBm
Input Third Order Intercept
(Two-Tone Input Power = +7 dBm Each Tone)
0.25 - 1.0 GHz
1.0 - 2.0 GHz
2.0 - 3.0 GHz
3.0 - 4.0 GHz
53 dBm
50 dBm
49 dBm
47 dBm
Switching Speed
DC - 4.0 GHz
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
40 ns
120 ns
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
1 page  
MICROWAVE CORPORATION
v00.0304
HMC349MS8G
HIGH ISOLATION SPDT
NON-REFLECTIVE SWITCH, DC - 4.0 GHz
Evaluation PCB
14
List of Material for Evaluation PCB 107662*
Item
J1 - J3
Description
PC Mount SMA RF Connector
The circuit board used in the final application should
be generated with proper RF circuit design techniques.
Signal lines at the RF port should have 50 ohm imped-
J4 - J8
C1 - C3
DC Pin
100 pF Capacitor, 0402 Pkg.
ance and the package ground leads and backside
ground slug should be connected directly to the ground
plane similar to that shown above. The evaluation circuit
U1
HMC349MS8G SPDT Switch
board shown above is available from Hittite Microwave
PCB**
107660 Evaluation PCB
Corporation upon request.
** Circuit Board Material: Rogers 4350
* Reference this number when ordering complete evaluation PCB.
14 - 234
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
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet HMC349MS8G.PDF ] | |
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