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参数资料
| 型号： | HMC759LP3E |
| 厂商： | HITTITE MICROWAVE CORP |
| 元件分类： | 衰减器 |
| 英文描述： | 10 MHz - 300 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 4.5 dB INSERTION LOSS-MAX |
| 封装： | 3 X 3 MM, ROHS COMPLIANT, LEADLESS, PLASTIC, SMT, QFN-16 |
| 文件页数： | 3/8页 |
| 文件大小： | 697K |
| 代理商： | HMC759LP3E |
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
At
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8
8 - 3
Worst Case Step Error
Between Successive Attenuation States [1]
IP3 vs. Attenuation States [1]
(Only Major States are Shown)
Input P1dB vs. Attenuation States [1][2]
(Only Major States are Shown)
HMC759LP3E
v00.0909
0.25 dB LSB BiCMOS MMIC 7-BIT
DIGITAL ATTENUATOR, 10 - 300 MHz
Serial Control Interface
the HMC759LP3e contains a 3-wire
sPI compatible digital interface
(serIn, CLK, Le). the 7-bit serial
word must be loaded MsB first.
the positive-edge sensitive CLK
and Le requires clean transitions.
If mechanical switches are used,
sufficient debouncing should be
provided. When Le is high, 7-bit
data in the serial input register is
transferred to the attenuator. When
Le is high, CLK is masked to prevent
data transition during output loading.
-0.2
-0.15
-0.1
-0.05
0
0.05
0.1
0.15
0.2
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
FREQUENCY (GHz)
S
T
E
P
E
R
O
R
(d
B
)
31.75 dB
25
30
35
40
45
50
55
60
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
FREQUENCY (GHz)
IP3
(dBm
)
31.75 dB
16 dB
8 dB
0 dB
16
18
20
22
24
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
FREQUENCY (GHz)
P1dB
(dBm)
4 dB
8 dB
16 dB
[1] C1, C2 = 10nF
[2] Part does not enter 1 dB compression at 31.75 dB max attenuation up to 25 dBm input power.
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