參數(shù)資料
型號(hào)： HMC542ALP4
廠商： HITTITE MICROWAVE CORP
元件分類： 衰減器
英文描述： 0 MHz - 3000 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 1.8 dB INSERTION LOSS-MAX
封裝： 4 X 4 MM, LEADLESS, PLASTIC, SMT, QFN-24
文件頁(yè)數(shù)： 3/8頁(yè)
文件大?。?/td> 667K
代理商： HMC542ALP4
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
t
e
n
u
At
o
r
s
-
D
IG
It
A
L-
s
M
t
8
8 - 3
Worst Case Step Error
Between Successive Attenuation States
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
0
0.5
1
1.5
2
2.5
3
3.5
4
S
T
E
P
E
R
O
R
(d
B
)
FREQUENCY (GHz)
Timing Diagram
Truth Table
Control Voltage Input
Attenuation
state
rF1 - rF2
C16
C8
C4
C2
C1
C0.5
High
reference
I.L.
High
Low
0.5 dB
High
Low
High
1 dB
High
Low
High
2 dB
High
Low
High
4 dB
High
Low
High
8 dB
Low
High
16 dB
Low
31.5 dB
Any combination of the above states will provide an attenuation
approximately equal to the sum of the bits selected.
Digital Control Voltages
state
Vcc = +5V
Low
0 to 1.3V
High
3 to 5V
Parameter
symbol
Vcc = +5V
units
Min.
Max.
serial Input setup time
ts
20
-
ns
Hold time from serial
Input to shift Clock
th
0
-
ns
setup time from shift
Clock to Latch enable
tlsup
40
-
ns
Latch enable Window,
Latch enable to C0.5
through C8
tpd
-
30
ns
setup time from reset to
shift Clock
-
20
-
ns
Clock Frequency
(1/tclk)
fclk
-
30
MHz
Timing
Serial Input Truth Table
Latch
enable
shift
Clock
reset
Function
X
L
shift register cleared
X
á
H
shift register clocked
á
X
H
Contents of shift register
transferred to Digital
Attenuator
HMC542ALP4 / 542ALP4E
v04.0111
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL
SERIAL CONTROL ATTENUATOR, DC - 4 GHz
相關(guān)PDF資料
PDF描述
HMC542LP4E 0 MHz - 3000 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 1.8 dB INSERTION LOSS-MAX
HMC542LP4 0 MHz - 3000 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 1.8 dB INSERTION LOSS-MAX
HMC543 8000 MHz - 12000 MHz, 0 deg - 360 deg RF/MICROWAVE DIGITALLY CONTROLLED PH SHFTR
HMC550 0 MHz - 6000 MHz RF/MICROWAVE SGL POLE SGL THROW SWITCH, 0.9 dB INSERTION LOSS
HMC550E 0 MHz - 6000 MHz RF/MICROWAVE SGL POLE SGL THROW SWITCH, 0.9 dB INSERTION LOSS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HMC542ALP4E 功能描述:ATTENUATOR DGTL 6BIT 4X4QFN RoHS:是 類別:RF/IF 和 RFID >> 衰減器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 衰減值:- 容差:±1% 頻率范圍:0 ~ 500MHz 功率（瓦特）:2W 阻抗:93 歐姆 封裝/外殼:BNC 單排模塊
HMC542ALP4ETR 制造商:Hittite Microwave Corp 功能描述:ATTENUATOR DGTL 6BIT 4X4QFN 制造商:Hittite Microwave Corp 功能描述:HMC542 Series DC - 4 Ghz 0.5db 6-Bit GaAs Digital Attenuator - 4x4 mm QFN-24
HMC542BLP4E 功能描述:RF Attenuator 31.5dB ±0.2dB 0 ~ 4GHz 50 Ohm 560mW 24-VFQFN Exposed Pad 制造商:analog devices inc. 系列:- 零件狀態(tài):在售 衰減值:31.5dB 容差:±0.2dB 頻率范圍:0 ~ 4GHz 功率（W）:560mW 阻抗:50 歐姆 封裝/外殼:24-VFQFN 裸露焊盤 標(biāo)準(zhǔn)包裝:1
HMC542BLP4ETR 制造商:Hittite Microwave Corp 功能描述:HMC524 Series Dc - 4 Ghz 3 / 5 V 0.5 dB LSB 6-Bit SMT Digital Attenuator
HMC542LP4 制造商:HITTITE 制造商全稱:Hittite Microwave Corporation 功能描述:0.5 dB LSB GaAs MMIC 6-BIT DIGITAL SERIAL CONTROL ATTENUATOR, DC - 3 GHz
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