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PDF HMC199MS8 Data sheet ( Hoja de datos )
| Número de pieza | HMC199MS8 | |
| Descripción | DUAL SPDT SWITCH DC - 2.5 GHz | |
| Fabricantes | Hittite Microwave Corporation | |
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v03.0404
MICROWAVE CORPORATION
Typical Applications
The HMC199MS8 is ideal for:
• Cellular
• ISM Basestations
• PCS
Functional Diagram
14
HMC199MS8
DUAL SPDT SWITCH
DC - 2.5 GHz
Features
Integrated Dual SPDTs
Low Insertion Loss: <0.5 dB @ 2.0 GHz
Positive Control: 0/+5V
Ultra Small MSOP8 Package: 14.8 mm2
General Description
The HMC199MS8 is a low-cost dual SPDT GaAs
“bypass” switch in an 8-lead MSOP package cover-
ing DC to 2.5 GHz. This four RF port component
integrates two SPDT switches and a through line
onto a single IC. The design provides low insertion
loss of less than 0.5 dB while switching passive or
active external circuit components in and out of the
signal path. Port to port isolations are typically 25
to 30 dB. On-chip circuitry enables positive voltage
control operation at very low DC currents with con-
trol inputs compatible with CMOS and most TTL
logic families. Applications include LNA or filter
bypass switching and single bit attenuator switch-
ing.
Electrical Specifications, TA = +25° C, Vctl = 0/+5 Vdc, 50 Ohm System
Parameter
Frequency
Min. Typ.
Insertion Loss
DC - 1.0 GHz
DC - 2.0 GHz
DC - 2.5 GHz
0.3
0.5
0.7
Isolation
DC - 2.0 GHz
DC - 2.5 GHz
22 25
17 21
Return Loss (On State, Any Port)
DC - 2.0 GHz
DC - 2.5 GHz
17 20
12 15
Input Power for 1 dB Compression
0.5 - 2.0 GHz
19 23
Input Third Order Intercept
(Two-tone Input Power = 0 dBm Each Tone)
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
0.5 - 2.0 GHz
DC - 2.5 GHz
32 36
20
40
Max.
0.6
0.8
1.0
Units
dB
dB
dB
dB
dB
dB
dB
dBm
dBm
ns
ns
14 - 60
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
Eval Board Layout (Top View)
HMC199MS8
DUAL SPDT SWITCH
DC - 2.5 GHz
*R1 & R2 = 100 Ohm.
These optional resistors will provide
more RF path to control circuit isolation.
14
The circuit board used in the final application should be generated with proper RF circuit design techniques.
Signal lines at the RF ports should have 50 ohm impedance. The evaluation circuit board shown above is avail-
able from Hittite Microwave Corporation upon request.
List of Material
Item
Description
J1 - J4
PC Mount SMA RF Connector
J5 - J8
DC Pin
C1 - C4
Chip Capacitor, 0402 Pkg. Choose value for lowest frequency of operation.
330 pF is provided on PCB.
R1 - R2
100 Ohm Resistor, 0402 Pkg.
U1 HMC199MS8 Bypass Switch
PCB*
103234 Evaluation PCB 1.5” x 1.5”
* Circuit Board Material: Rogers 4350
14 - 64
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 HMC199MS8.PDF ] | |
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