HMC468LP3 Datasheet, PDF (3/6 Pages) Hittite Microwave Corporation – 1 dB LSB GaAs MMIC 3-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, DC - 6.0 GHz

v00.0403
HMC468LP3
MICROWAVE CORPORATION
1 dB LSB GaAs MMIC 3-BIT DIGITAL
POSITIVE CONTROL ATTENUATOR, DC - 6.0 GHz
Worst Case Step Error
Between Successive Attenuation States
1
0.8
9
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 4.5 5 5.5 6
FREQUENCY (GHz)
Bias Voltage & Current
Vdd
(Vdc)
+5.0
Vdd Range= +5.0 Vdc ± 10%
Idd (Typ.)
(mA)
Idd (Max.)
(mA)
1.05
1.8
TTL/CMOS Control Voltages
State
Low
High
Bias Condition
0 to 0.8 Vdc @ -5 uA Typ.
+2.0 to +5.0 Vdc @ 40 uA Typ.
Truth Table
Control Voltage Input
V1
4 dB
V2
2 dB
V3
1 dB
Attenuation Setting
RF1 - RF2
High
High
High
Reference I.L.
High
High
Low
1 dB
High
Low
High
2 dB
Low
High
High
4 dB
Low
Low
Low
7 dB
Any combination of the above states will provide an attenuation
approximately equal to the sum of the bits selected.
9 - 106
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12 Elizabeth Drive, Chelmsford, MA 01824 Phone: [phone] Fax: [phone]
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