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Analog Devices - GaAs MMIC I/Q DOWNCONVERTER

Numéro de référence HMC977LP4E
Description GaAs MMIC I/Q DOWNCONVERTER
Fabricant Analog Devices 
Logo Analog Devices 





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HMC977LP4E fiche technique
Typical Applications
The HMC977LP4E is ideal for:
• Point-to-Point and Point-to-Multi-Point Radios
• Military Radar, EW & ELINT
• Satellite Communications
Functional Diagram
HMC977LP4E
v02.0815
GaAs MMIC I/Q DOWNCONVERTER
20 - 28 GHz
Features
Conversion Gain: 14 dB
Image Rejection: 21 dBc
2x LO to RF Isolation: 45 dB
Noise Figure: 2.5 dB
Input Third-Order Intercept: 1 dBm
LO Drive Range: 2 to 6 dBm
24 Lead 4 mm x 4 mm SMT Package
General Description
The HMC977LP4E is a compact GaAs MMIC I/Q
downconverter in a leadless RoHS compliant
SMT package. This device provides a small signal
conversion gain of 14 dB with a noise figure of 2.5
dB and 21 dBc of image rejection. The HMC977LP4E
utilizes a low noise amplifier (LNA) followed by an
image reject mixer which is driven by an active 2x
multiplier. The image reject mixer eliminates the need
for a filter following the LNA and removes thermal
noise at the image frequency. I and Q mixer outputs
are provided and an external 90° hybrid is needed to
select the required sideband. The HMC977LP4E is a
much smaller alternative to hybrid style image reject
mixer downconverter assemblies, and is compatible
with surface mount manufacturing techniques.
Electrical Specifications, TA = +25 °C, IF = 1000 MHz, LO = 6 dBm, Vdd = 3.5 Vdc, USB [1]
Parameter
Min.
Typ. Max.
Min.
Typ.
Max.
Units
RF Frequency Range
20
26.5
26.5
28 GHz
LO Frequency Range
8.3
15 11.5
15.7 GHz
IF Frequency Range
DC 3.5 DC 3.5 GHz
LO Drive Range
2 6 2 6 dBm
Conversion Gain (As IRM)
11 14
11 14
dB
Noise Figure
2.5 3.0 dB
Image Rejection
21 20 dBc
Input Power for 1 dB Compression (P1dB)
-8
-7 dBm
2x LO to RF Isolation
35 45
34 39
dB
2x LO to IF Isolation
20 30 dB
Input Third-Order Intercept (IP3)
1 3 dBm
Amplitude Balance [2]
0.3 0.3 dB
Phase Balance [2]
17 12 Degree
Total Supply Current
170 210
170 210 mA
[1] Unless otherwise noted all measurements performed as downconverter with upper sideband selected and external 90° hybrid at the IF ports.
[2] Data taken without external 90° hybrid at the IF ports.
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