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348LP3E PDF预览

348LP3E

更新时间: 2024-09-16 02:58:35
品牌 Logo 应用领域
HITTITE 开关有线电视光电二极管
页数 文件大小 规格书
6页 291K
描述
GaAs MMIC SPDT NON-REFLECTIVE CATV SWITCH, DC - 2.5 GHz

348LP3E 数据手册

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HMC348LP3 / 348LP3E  
v05.0805  
GaAs MMIC SPDT NON-REFLECTIVE  
CATV SWITCH, DC - 2.5 GHz  
Typical Applications  
Features  
The HMC348LP3 / HMC348LP3E is ideal for:  
High Isolation: >80 dB @ 5 MHz (50 Ohm)  
>55 dB @ 1 GHz (50 Ohm)  
• 75 Ohm Systems  
CATV Signal Distribution, Cable Modem  
Headend & DBS IF Switching  
• 50 Ohm Systems  
“All Off” Isolation State  
Non-Reflective Design, 75 Ohm Terminations  
3x3 mm SMT Package  
Basestation Infrastructure & Test Equipment  
8
General Description  
Functional Diagram  
The HMC348LP3 & HMC348LP3E are non-reflective  
GaAs MESFET SPDT switches in low cost leadless  
QFN surface mount plastic packages ideal for CATV  
applications. Covering DC to 2.5 GHz, the switch offers  
high isolation, low insertion loss, integrated 75 Ohm  
terminations 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 complementary  
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.  
Electrical Specifications, TA = +25° C, With 0/+5V Control, 50 Ohm System  
Parameter  
Frequency  
Min.  
Typ.  
Max.  
Units  
DC - 1000 MHz  
DC - 2500 MHz  
0.6  
0.7  
0.9  
1.0  
dB  
dB  
Insertion Loss  
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  
dB  
dB  
dB  
dB  
dB  
Isolation  
Return Loss  
“On State”  
“Off State”  
DC - 2500 MHz  
15  
20  
dB  
DC - 1000 MHz  
DC - 2500 MHz  
9
8
12  
11  
dB  
dB  
Return Loss RF1, RF2  
50 MHz  
1000 MHz  
20  
25  
23  
28  
dBm  
dBm  
Input Power for 1 dB Compression  
50 MHz  
1000 MHz  
2500 MHz  
43  
48  
51  
dBm  
dBm  
dBm  
Input Third Order Intercept  
(Two-Tone Input Power= 0 dBm Each Tone, 6 MHz Tone Separation)  
50 MHz  
1000 MHz  
2500 MHz  
72  
89  
80  
dBm  
dBm  
dBm  
Input Second Order Intercept  
(Two-Tone Input Power= 0 dBm Each Tone, 6 MHz Tone Separation)  
Switching Characteristics  
tRISE, tFALL (10/90% RF)  
tON, tOFF (50% CTL to 10/90% RF)  
DC - 2500 MHz  
25  
600  
ns  
ns  
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:  
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373  
Order On-line at www.hittite.com  
8 - 214  

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