HMC273MS10G Просмотр технического описания (PDF) - Hittite Microwave
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HMC273MS10G Datasheet PDF : 6 Pages
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10
v04.0907
HMC273MS10G / 273MS10GE
1 dB LSB GaAs MMIC 5-BIT DIGITAL
ATTENUATOR, 0.7 - 3.8 GHz
Worst Case Step Error
Between Successive Attenuation States
1.2
1
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1
-1.2
0.5
1
1.5
2
2.5
3
3.5
4
FREQUENCY (GHz)
Truth Table
V1
16 dB
Control Voltage Input
V2
8 dB
V3
4 dB
V4
2 dB
V5
1 dB
Attenuation
Setting
RF1 - RF2
High High High High High
Reference
I.L.
High High High High Low
1 dB
High High High Low High
2 dB
High High Low High High
4 dB
High Low High High High
8 dB
Low High High High High
16 dB
Low Low
Low
Low
Low
31 dB
Max. Atten.
Any combination of the above states will provide an attenuation
approximately equal to the sum of the bits selected.
Control Voltages
State
Bias Condition
Low
0 to +0.2 V @ 20 uA Max
High
Vdd ± 0.2V @ 100 uA Max
Note: Vdd = +3V to 5V ± 0.2V
Application Circuit
DC blocking capacitors C1 & C2 are required on RF1 & RF2. Choose C1 = C2 = 100 ~ 300 pF to allow lowest customer specific
frequency to pass with minimal loss. R1 = 5K Ohm is required to supply voltage to the circuit through either PIN 6 or PIN 10.
10 - 24
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
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