VOLTAGE-VARIABLE ATTENUATOR. HMC346LP3E Datasheet

HMC346LP3E ATTENUATOR. Datasheet pdf. Equivalent

Part HMC346LP3E
Description GaAs MMIC VOLTAGE-VARIABLE ATTENUATOR
Feature ATTENUATORS - SMT v05.1008 5 Typical Applications The HMC346LP3 / HMC346LP3E is ideal for: • Basest.
Manufacture Analog Devices
Datasheet
Download HMC346LP3E Datasheet



HMC346LP3E
v05.1008
5
Typical Applications
The HMC346LP3 / HMC346LP3E is ideal for:
• Basestation Infrastructure
• Fiber Optics & Broadband Telecom
• Microwave Radio & VSAT
• Military Radios, Radar, & ECM
• Test Instrumentation
Functional Diagram
HMC346LP3 / 346LP3E
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, DC - 14 GHz
Features
Wide Bandwidth: DC - 14 GHz
Low Phase Shift vs. Attenuation
30 dB Attenuation Range
Simplified Voltage Control
3 x 3 x 1 mm SMT Package
General Description
The HMC346LP3 & HMC346LP3E are pabsorp-
tive Voltage Variable Attenuators (VVA) in low cost
leadless surface mount plastic packages operating
from DC - 14 GHz. It features an on-chip reference
attenuator for use with an external op-amp to provide
simple single voltage attenuation control, 0 to -3V.
The device is ideal in designs where an analog DC
control signal must control RF signal levels over a 30
dB amplitude range. This VVA is an excellent alterna-
tive to the HMC121C8.
Electrical Specifications, TA = +25° C, 50 ohm system
Parameter
Min
Typical
Max
Insertion Loss
DC - 10 GHz
DC - 14 GHz
1.7
2.2
2.8
3.3
Attenuation Range
DC - 10 GHz
27
30
DC - 14 GHz
22
27
Return Loss
DC - 14 GHz
5
10
Switching Characteristics
tRISE, tFALL (10/90% RF):
2
tON, tOFF (50% CTL to 10/90% RF):
8
Input Power for 0.25 dB Compression (0.5 - 8 GHz)
Min. Atten:
+8
Atten. >2 dB:
-4
Input Third Order Intercept (0.5 - 8 GHz)
(Two-tone Input Power = -8 dBm Each Tone)
Min. Atten:
+25
Atten. >2 dB:
+10
Units
dB
dB
dB
dB
dB
ns
ns
dBm
dBm
dBm
dBm
5 - 96
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HMC346LP3E
v05.1008
Insertion Loss vs. Temperature
0
-1
-2
-3
+25 C
-40 C
+85 C
-4
0
2
4
6
8 10 12 14 16
FREQUENCY (GHz)
Return Loss vs. Attenuation
0
-5
-10
-15
-20
-25
MIN
5 dB
-30
MAX
-35
0
2
4
6
8 10 12 14 16
FREQUENCY (GHz)
HMC346LP3 / 346LP3E
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, DC - 14 GHz
5
Relative Attenuation
0
-10
-20
-30
-40
0
2
4
6
8
10 12 14 16
FREQUENCY (GHz)
Relative Attenuation vs.
Control Voltage @ 10 GHz
0
-0.5
V1
V2
-1
-1.5
-2
-2.5
-3
0
5
10
15
20
25
30
RELATIVE ATTENUATION (dB)
Relative Phase
180
150
120
90
5 dB
10 dB
15 dB
20 dB
25 dB
30 dB
max
60
30
0
0
2
4
6
8 10 12 14 16
FREQUENCY (GHz)
Input IP3 vs. Attenuation*
30
25
20
15
10
0 dB
5
3 dB
6 dB
10 dB
0
0
2
4
6
8 10 12 14 16
FREQUENCY (GHz)
*Two-tone input power = -8 dBm each tone, 1 MHz spacing.
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Order On-line Trademarks and registered trademarks are the property of their respective owners. at www.hAiptptilticea.tcioonmSupport: Phone: 1-800-ANALOG-D
5 - 97





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