HMC424ALP3E Datasheet, PDF (1/6 Pages) Analog Devices – 0.5dB LSB GaAs MMIC 6-BIT DIGITAL

v00.1113
Typical Applications
The HMC424ALP3E is ideal for:
• Basestation Infrastructure
• Fiber Optics & Broadband Telecom
• Microwave & VSAT Radios
• Military & Space
• Test Instrumentation
Functional Diagram
HMC424ALP3E
0.5dB LSB GaAs MMIC 6-BIT DIGITAL
ATTENUATOR, DC - 13 GHz
Features
0.5 dB LSB Steps to 31.5 dB
Single Control Line Per Bit
± 0.5 dB Typical Bit Error
9mm² Leadless SMT Plastic Package
General Description
The HMC424ALP3E is a broadband 6-bit GaAs IC
digital attenuator in low cost leadless surface mount
package. Covering DC to 13 GHz, the insertion loss
is less then 4 dB typical. The attenuator bit values are
0.5 (LSB), 1, 2, 4, 8, and 16 dB for a total attenuation
of 31.5 dB. Attenuation accuracy is excellent at
± 0.5 dB typical step error with an IIP3 of +38 dBm.
Six control voltage inputs, toggled between 0 and
-5V, are used to select each attenuation state.
A single Vee bias of -5V allows operation at
frequencies down to DC.
Electrical Specifications, T_A = +25° C, With Vee = -5V & VCTL= 0/-5V
Parameter
Frequency (GHz)
Min.
Typ.
Max.
Insertion Loss
DC - 4 GHz
4.0 - 8.0 GHz
8.0 - 13.0 GHz
2.8
3.3
3.3
3.8
3.9
4.4
Attenuation Range
DC - 13.0 GHz
31.5
Return Loss (RF1 & RF2, All Atten. States)
DC - 13.0 GHz
13
Attenuation Accuracy: (Referenced to Insertion Loss)
Input Power for 0.1 dB Compression
Input Third Order Intercept Point
(Two-Tone Input Power= +10 dBm Each Tone)
Switching Characteristics
0.5 - 31.5 dB States
REF State
All Other States
DC - 13.0 GHz
1.0 - 13.0 Ghz
1.0 - 13.0 Ghz
DC - 13.0 GHz
± (0.3 + 5% of Atten. Setting) Max
23
45
42
Units
dB
dB
dB
dB
dB
dB
dBm
dBm
dBm
tRISE, tFALL (10/90% RF)
tON/tOFF (50% CTL to 10/90% RF)
30
ns
50
ns
1
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