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PDF HMC284MS8G Data sheet ( Hoja de datos )
| Número de pieza | HMC284MS8G | |
| Descripción | SPDT NON-REFLECTIVE SWITCH/ DC - 3.5 GHz | |
| Fabricantes | Hittite Microwave Corporation | |
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v03.0404
MICROWAVE CORPORATION
Typical Applications
The HMC284MS8G is ideal for:
• Cellular/PCS Base Stations
• 2.4 GHz ISM
• 3.5 GHz Wireless Local Loop
Functional Diagram
14
HMC284MS8G
SPDT NON-REFLECTIVE
SWITCH, DC - 3.5 GHz
Features
High Isolation: >45 dB
Positive control: 0/+5V
Non-Reflective Design
Ultra Small Pakcage: MSOP8G
General Description
The HMC284MS8G is a low-cost SPDT switch in an
8-lead grounded base MSOP package. The design
has been optimized to provide high isolation with
minimal insertion loss for medium and low power
applications. On-chip circuitry allows positive volt-
age control operation at very low DC currents with
control inputs compatible with CMOS and most TTL
logic families. In the “OFF” state, RF1 and RF2 are
non-reflective. See reflective high isolation SPDT
version, HMC194MS8.
Electrical Specifications, TA = +25° C, Vctl = 0/+5 Vdc, 50 Ohm System
Parameter
Frequency
Min. Typ.
Insertion Loss
DC - 2.0 GHz
DC - 3.0 GHz
DC - 3.5 GHz
0.5
0.6
0.7
Isolation
RF1 & RF2
RF1 / RF2
RF1 / RF2
RF1 & RF2
DC - 2.0 GHz
DC - 2.5 GHz
DC - 3.0 GHz
DC - 3.5 GHz
41
38/41
34/36
30
45
41/45
37/39
33
Return Loss (On State)
DC - 2.0 GHz
DC - 2.5 GHz
DC - 3.5 GHz
21 25
13 17
10 12
Return Loss (Off State)
0.5 - 3.5 GHz
10 13
Input Power for 1 dB Compression
0.5 - 1.0 GHz
0.5 - 3.5 GHz
20 25
18 24
Input Third Order Intercept
(Two-Tone Input Powew = 0 dBm Each Tone)
0.5 - 3.5 GHz
43 48
Switching Speed
DC - 3.5 GHz
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
40
60
Max.
0.8
0.9
1.1
Units
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dBm
dBm
dBm
ns
ns
14 - 158
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  
v03.0404
MICROWAVE CORPORATION
Typical Application Circuit
HMC284MS8G
SPDT NON-REFLECTIVE
SWITCH, DC - 3.5 GHz
14
Notes:
1. Set A/B control to 0/+5V, Vdd = +5V and use HCT series logic to provide a TTL driver interface.
2. Control inputs A/B can be driven directly with CMOS logic (HC) with Vdd = +5 Volts applied to the CMOS logic gates.
3. DC blocking capacitors are required for each RF port as shown. Capacitor value determines lowest frequency of
operation.
4. Highest RF signal power capability is acheived wiht Vdd = +7V and A/B set to 0/+7V.
5. Back side paddle must be connected to RF ground.
6. A grounded coplanar waveguide PCB layout technique is recommended to achieve high isolation. The component side
ground plane between RFC/grounded paddle and RF1/RF2 should be continuous, see below. There should be a continu-
ous ground plane under component side layout.
14 - 162
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 HMC284MS8G.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| HMC284MS8G | SPDT NON-REFLECTIVE SWITCH/ DC - 3.5 GHz | Hittite Microwave Corporation |
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