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參數(shù)資料
| 型號： | 271LP4E |
| 廠商： | 美國訊泰微波有限公司上海代表處 |
| 英文描述： | 1 dB LSB GaAs MMIC 5-BIT SERIAL CONTROL DIGITAL ATTENUATOR, 0.7 - 3.7 GHz |
| 中文描述： | 1分貝LSB的砷化鎵微波單片集成電路的5位串行控制數(shù)字衰減器，0.7 - 3.7吉赫 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 507K |
| 代理商： | 271LP4E |
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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
Designer’s Kit
Available
1 dB LSB GaAs MMIC 5-BIT SERIAL
CONTROL DIGITAL ATTENUATOR, 0.7 - 3.7 GHz
General Description
Features
Functional Diagram
1 dB LSB Steps to 31 dB
CMOS Compatible Serial Data Interface
SPI Compatible Serial Output
+/- 0.4 dB Typical Bit Error
4 x 4 mm
QFN Plastic Package
Included in the HMC-DK004 Designer’s Kit
Electrical Specifications,
T
A
= +25° C, Vcc = +3V to +5V
Typical Applications
The HMC271LP4 & HMC271LP4E are broadband
5-bit positive control GaAs IC digital attenuators with
CMOS compatible serial-to-parallel drivers in low
cost leadless QFN 4x4 mm SMT packages. Covering
0.7 to 3.7 GHz, the insertion loss is typically less than
2.5 dB. The attenuator bit values are 1 (LSB), 2, 4, 8,
and 16 dB for a total attenuation of 31 dB. Accuracy
is excellent at ± 0.4 dB typical with an IIP3 of up to
+48 dBm. Five bit CMOS compatible serial control
words are used to select each attenuation state.
A single Vcc bias of +3V to +5V applied through an
external 5k Ohm resistor is required.
The HMC271LP4 / HMC271LP4E is ideal for:
Cellular/3G Infrastructure
Fixed Wireless, WiMax & WiBro
Test Instrumentation
Parameter
Frequency
Min.
Typical
Max.
Units
Insertion Loss
0.7 - 1.4 GHz
1.4 - 2.3 GHz
2.3 - 2.7 GHz
2.7 - 3.7 GHz
1.9
2.3
2.6
2.8
2.4
2.8
3.1
3.3
dB
dB
dB
dB
Attenuation Range
0.7 - 3.7 GHz
31
dB
Return Loss (RF1 & RF2, All Atten. States)
0.7 - 1.4 GHz
1.4 - 2.7 GHz
2.7 - 3.7 GHz
12
15
16
dB
dB
dB
Attenuation Accuracy: (Referenced to Insertion Loss)
All Attenuation States
0.7 - 0.9 GHz
0.9 - 2.2 GHz
2.2 - 3.7 GHz
± (0.4 + 5% of Atten. Setting) Max
± (0.4 + 4% of Atten. Setting) Max
± (0.4 + 5% of Atten. Setting) Max
dB
dB
dB
Input Power for 0.1 dB Compression
Vcc = 5V
Vcc = 3V
0.7 - 3.7 GHz
24
22
dBm
dBm
Input Third Order Intercept Point
(Two-tone Input Power = 0 dBm Each Tone)
Vcc = 5V
Vcc = 3V
0.7 - 3.7 GHz
48
46
dBm
dBm
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (Latch Enable to 10/90% RF)
0.7 - 3.7 GHz
750
830
ns
ns
HMC271LP4
/
271LP4E
v02.0705
相關PDF資料 |
PDF描述 |
|---|---|
| 272.001 | LED IND LIGHT 6V RED |
| 272.002 | LED IND LIGHT 12V GREEN |
| 272.003 | LED IND LIGHT 24V GREEN |
| 272.004 | LED IND LIGHT 6V GREEN |
| 272.005 | LED IND LIGHT 24V YELLOW |
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