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PDF HMC348LP3 Data sheet ( Hoja de datos )
| Número de pieza | HMC348LP3 | |
| Descripción | GaAs MMIC SPDT NON-REFLECTIVE CATV SWITCH/ DC - 2.5 GHz | |
| Fabricantes | Hittite Microwave Corporation | |
| Logotipo |  |
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MICROWAVE CORPORATION
v04.0604 HMC348LP3
GaAs MMIC SPDT NON-REFLECTIVE
CATV SWITCH, DC - 2.5 GHz
Typical Applications
The HMC348LP3 is ideal for:
• 75 Ohm Systems
CATV Signal Distribution, Cable Modem
Headend & DBS IF Switching
• 50 Ohm Systems
Basestation Infrastructure & Test Equipment
Functional Diagram
14
Features
High Isolation: >80 dB @ 5 MHz (50 Ohm)
>55 dB @ 1 GHz (50 Ohm)
“All Off” Isolation State
Non-Reflective Design, 75 Ohm Terminations
3 mm x 3 mm x 1 mm SMT Package
General Description
The HMC348LP3 is a non-reflective GaAs MESFET
SPDT switch in a low cost leadless QFN surface
mount plastic package ideal for CATV applications.
Covering DC to 2.5 GHz, the switch offers high
isolation, low insertion loss, integrated 75 Ohm ter-
minations and an “all off” state. The switch features
>80 dB isolation at 5 MHz and >55 dB isolation up
to 1 GHz. The switch operates using complemen-
tary positive control voltage logic lines of +5/0V and
requires a +5V bias supply (Vdd). This switch offers
excellent performance in both 50 Ohm & 75 Ohm
systems for either SPDT or SPST functions.
14 - 218
Electrical Specifications, TA = +25° C, With 0/+5V Control, 50 Ohm System
Parameter
Frequency
Min. Typ. Max.
Insertion Loss
DC - 1000 MHz
DC - 2500 MHz
0.6 0.9
0.7 1.0
Isolation
DC - 250 MHz
DC - 750 MHz
DC - 1000 MHz
DC - 2000 MHz
DC - 2500 MHz
63
53
50
47
45
68
58
55
52
50
Return Loss
“On State”
DC - 2500 MHz
15
20
Return Loss RF1, RF2
“Off State”
DC - 1000 MHz
DC - 2500 MHz
9
8
12
11
Input Power for 1 dB Compression
50 MHz
1000 MHz
20 23
25 28
Input Third Order Intercept
(Two-Tone Input Power= 0 dBm Each Tone, 6 MHz Tone Separation)
50 MHz
1000 MHz
2500 MHz
43
48
51
Input Second Order Intercept
(Two-Tone Input Power= 0 dBm Each Tone, 6 MHz Tone Separation)
50 MHz
1000 MHz
2500 MHz
72
89
80
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
DC - 2500 MHz
25
600
Units
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
ns
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
v04.0604
HMC348LP3
GaAs MMIC SPDT NON-REFLECTIVE
CATV SWITCH, DC - 2.5 GHz
Application Circuit
14
The value of capacitors C1 & C2 are critical for low frequency isolation performance below 500 MHz. 3300 pF 0402 size
capacitors are recommended for optimal isolation down to 5 MHz. If the frequency of operation is above 500 MHz then
100 pF to 300 pF 0402 capacitors will be sufficient.
14 - 222
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 HMC348LP3.PDF ] | |
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