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參數資料
| 型號： | HMC305LP4E |
| 廠商： | 美國訊泰微波有限公司上海代表處 |
| 英文描述： | 0.5 dB LSB GaAs MMIC 5-BIT SERIAL CONTROL DIGITAL ATTENUATOR, 0.7 - 3.8 GHz |
| 中文描述： | 0.5分貝LSB的砷化鎵微波單片集成電路的5位串行控制數字衰減器，0.7 - 3.8吉赫 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 506K |
| 代理商： | HMC305LP4E |
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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
General Description
Features
Functional Diagram
0.5 dB LSB Steps to 15.5 dB
CMOS Compatible Serial Data Interface
SPI Compatible Serial Output
+/- 0.3 dB Typical Bit Error
QFN Leadless SMT Package, 16mm
2
Included in the HMC-DK004 Designer’s Kit
Electrical Specifications,
T
A
= +25° C, Vcc = +3V to +5V
Typical Applications
The HMC305LP4 & HMC305LP4E are broadband
5-bit positive control GaAs IC digital attenuators with
CMOS compatible serial-to-parallel drivers packaged
in leadless QFN 4 x 4 mm SMT packages. Covering
0.7 to 3.8 GHz, the insertion loss is typically less than
1.5 to 2 dB. The attenuator bit values are 0.5 (LSB), 1,
2, 4, and 8 dB for a total attenuation of 15.5 dB. Atten-
uation accuracy is excellent at ± 0.25 dB typical with
an IIP3 of up to +52 dBm. Five bit 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 HMC305LP4 / HMC305LP4E 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 - 3.8 GHz
1.2
1.5
1.8
2.0
1.5
2.0
2.3
2.5
dB
dB
dB
dB
Attenuation Range
0.7 - 3.8 GHz
15.5
dB
Return Loss (RF1 & RF2, All Atten. States)
0.7 - 1.4 GHz
1.4 - 2.3 GHz
2.3 - 2.7 GHz
2.7 - 3.8 GHz
17
18
19
15
dB
dB
dB
dB
Attenuation Accuracy: (Referenced to Insertion Loss)
All Attenuation States
0.7 - 0.9 GHz
0.9 - 2.2 GHz
2.2 - 3.8 GHz
± (0.5 +5% of Atten. Setting) Max
± (0.3 +4% of Atten. Setting) Max
± (0.5 +5% of Atten. Setting) Max
dB
dB
dB
Input Power for 0.1 dB Compression
Vcc = 5V
Vcc = 3V
0.7 - 3.8 GHz
25
23
dBm
dBm
Input Third Order Intercept Point
(Two-tone Input Power = 0 dBm Each Tone)
Vcc = 5V
Vcc = 3V
0.7 - 3.8 GHz
52
48
dBm
dBm
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (Latch Enable to 10/90% RF)
0.7 - 3.8 GHz
750
830
ns
ns
0.5 dB LSB GaAs MMIC 5-BIT SERIAL
CONTROL DIGITAL ATTENUATOR, 0.7 - 3.8 GHz
HMC305LP4
/
305LP4E
v02.0705
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相關代理商/技術參數 |
參數描述 |
|---|---|
| HMC305LP4ETR | 制造商:Hittite Microwave Corp 功能描述:HMC305 Series 0.7 - 3.8 GHz GaAs MMIC 5-Bit Serial Digital Attenuator - QFN-24 |
| HMC305SLP4E | 功能描述:RF Attenuator 12dB 700MHz ~ 4GHz 24-VFQFN Exposed Pad 制造商:analog devices inc. 系列:- 零件狀態:有效 衰減值:12dB 容差:- 頻率范圍:700MHz ~ 4GHz 功率（W）:- 阻抗:- 封裝/外殼:24-VFQFN 裸露焊盤 標準包裝:1 |
| HMC305SLP4ETR | 功能描述:RF Attenuator 12dB 700MHz ~ 4GHz 24-VFQFN Exposed Pad 制造商:analog devices inc. 系列:- 零件狀態:有效 衰減值:12dB 容差:- 頻率范圍:700MHz ~ 4GHz 功率（W）:- 阻抗:- 封裝/外殼:24-VFQFN 裸露焊盤 標準包裝:1 |
| HMC306AMS10 | 功能描述:IC ATTENUATOR 0.7-4GHZ 10-MSOP 制造商:analog devices inc. 系列:- 零件狀態:最後搶購 衰減值:15.5dB 頻率范圍:700MHz ~ 3.8GHz 功率（W）:- 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 標準包裝:1 |
| HMC306AMS10E | 功能描述:RF Attenuator 15.5dB ±0.2dB 700MHz ~ 3.8GHz 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) 制造商:analog devices inc. 系列:- 零件狀態:有效 衰減值:15.5dB 容差:±0.2dB 頻率范圍:700MHz ~ 3.8GHz 功率（W）:- 阻抗:* 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 標準包裝:1 |
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