Device Overview

General Description

The MMIQ-1865L is a low LO drive, passive MMIC IQ mixer. This is an ultra-broadband mixer spanning 18 to 65 GHz on the RF and LO ports with an IF from DC to 23 GHz. Up to 35 dB of image rejection is available due to the excellent phase and amplitude balance of its on-chip LO quadrature hybrid. Both wire bondable die and connectorized modules are available.

Photo of MMIQ-1865LUB

Features

N/A

Applications

  • Single Sideband and Image Rejection Mixing
  • IQ Modulation / Demodulation
  • Vector Amplitude Modulation
  • Band Shifting

Functional Block Diagram

Block Diagram

Part Ordering Options

Part NumberDescriptionPackageConnectorsGreen StatusProduct LifecycleExport Classification
MMIQ-1865LUBPassive GaAs MMIC IQ MixerUBStandard

REACH

RoHS

ReleasedEAR99

Table Of Contents

Revision History

Revision CodeRevision DateComment
-2019-03-01Datasheet Initial Release
A2019-05-01Added P1dB Data to Electrical Specifications
B2019-08-01Changed I/Q Max Current Rating
C2019-10-01Updated Max Power Handling
D2019-10-01Corrected Port Designations

Rev: D | Copyright © 2019 Marki Microwave LLC.

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Port Configuration and Functions

Port Diagram

A top-down view of the MMIQ-1865L’s UB package outline drawing is shown below. The mixer may be operated as either a downconverter or an upconverter. Use of the RF or IF as the input or output port will depend on the application.

Diagram of the port configuration for MMIQ-1865LUB

Port Functions

PortFunctionConnector TypeDescriptionDC Equivalent
Circuit
GNDGround -UB package ground path is provided through the metal housing and outer coax conductor.Equivalent circuit for the Ground
Port 1LO Input 1.85FPort 1 is DC open and AC matched to 50Ω over the specified LO frequency range. Equivalent circuit for the LO Input
Port 2Q Input / Output SMAFPort 2 is diode coupled and AC matched to 50Ω over the specified Q port frequency range.Equivalent circuit for the Q Input / Output
Port 3I Input / Output SMAFPort 3 is diode coupled and AC matched to 50Ω over the specified I port frequency range.Equivalent circuit for the I Input / Output
Port 4RF Input / Output 1.85FPort 4 is DC open and AC matched to 50Ω over the specified RF frequency range.Equivalent circuit for the RF Input / Output

Rev: D | Copyright © 2019 Marki Microwave LLC.

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Specifications

Absolute Maximum Ratings

The Absolute Maximum Ratings indicate limits beyond which damage may occur to the device. If these limits are exceeded, the device may be inoperable or have a reduced lifetime.

ParameterMaximum RatingUnit
Maximum Operating Temperature 100°C
Maximum Storage Temperature 100°C
Minimum Operating Temperature -55°C
Minimum Storage Temperature -65°C
Port 2 DC Current 30mA
Port 3 DC Current 30mA
Power Handling, at any Port 26dBm

Package Information

ParameterDetailsRating
ESD250 to < 500 VoltsHBM Class 1A
WeightPackage name: UB17g
Dimensions-16.26 x 16.26 mm

The Recommended Operating Conditions indicate the limits, inside which the device should be operated, to guarantee the performance given in Electrical Specifications. Operating outside these limits may not necessarily cause damage to the device, but the performance may degrade outside the limits of the electrical specifications. For limits, above which damage may occur, see Absolute Maximum Ratings.

ParameterMinNominalMaxUnit
Ambient Temperature -5525100°C
RF/IF Input Power --4dBm
LO Input Power 81317dBm

Rev: D | Copyright © 2019 Marki Microwave LLC.

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Electrical Specifications

The electrical specifications apply at TA=+25°C in a 50Ω system. Typical data shown is for a down conversion application with a +13dBm sine wave LO input. Min and Max limits apply only to our connectorized units and are guaranteed at TA=+25°C. All bare die are 100% DC tested and visually inspected.

ParameterTest ConditionsMinimum
Frequency
(GHz)
Maximum
Frequency
(GHz)
MinTypMaxUnit
Conversion Loss 1RF/LO = 18 - 65 GHz
I = 0.2 - 23 GHz
18 65-12-dB
Conversion Loss 2RF/LO = 18 - 65 GHz
I = DC – 0.2 GHz
18 65-11-dB
Conversion Loss 3RF/LO = 18 - 65 GHz
Q = 0.2 - 23 GHz
18 65-12-dB
Conversion Loss 4RF/LO = 18 - 65 GHz
Q = DC -0.2 GHz
18 65-11-dB
IF Frequency Range -- -0-23GHz
Image Rejection 5RF/LO = 18 - 65 GHz
I+Q = DC – 0.2 GHz
18 65-35-dBc
Input 1 dB Gain Compression Point (P1dB), I -- --3.8-dBm
Input 1 dB Gain Compression Point (P1dB), Q -- --4-dBm
Input IP3 6RF/LO = 18 - 65 GHz
I = DC – 0.2 GHz
18 65-15-dBm
Isolation, LO to I IF/LO = 18-65 GHz
18 65-44-dB
Isolation, LO to Q IF/LO = 18-65 GHz
18 65-28-dB
Isolation, RF to I RF/IF = 18-65 GHz
18 65-50-dB
Isolation, RF to Q RF/IF = 18-65 GHz
18 65-50-dB
LO Frequency Range -- -18-65GHz
LO-RF Isolation RF/LO = 18-65 GHz
18 65-49-dB
Noise Figure 7RF/LO = 18 - 65 GHz
I = DC – 0.2 GHz
18 65-11-dB
Noise Figure 8RF/LO = 18 - 65 GHz
Q = DC – 0.2 GHz
18 65-12-dB
Q (Port 2) Frequency Range -- -0-23GHz
RF Frequency Range -- -18-65GHz

[1][2][3][4] Measured as an I/Q down converter. (i.e., I and Q powers are not combined)

[5] Image Rejection and Single sideband performance plots are defined by the upper sideband (USB) or lower sideband (LSB) with respect to the LO signal. Plots are defined by which sideband is selected by the external IF quadrature hybrid.

[6] Typical IIP3 measured with I and Q ports combined with an external quadrature hybrid coupler.

[7][8] Mixer Noise Figure typically measures within 0.5 dB of conversion loss for IF frequencies greater than 5 MHz.

Rev: D | Copyright © 2019 Marki Microwave LLC.

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Typical Performance Plots

I output means that the IF output signal is measured at the I port of the mixer and the Q port is loaded. Q output means the IF output signal is measured at the Q port of the mixer while the I port is loaded.

I/Q Conversion Loss (dB) graph for MMIQ-1865LUB
LO to RF Isolation (dB) graph for MMIQ-1865LUB
LO to IF Isolation (dB) graph for MMIQ-1865LUB
RF to IF Isolation (dB) graph for MMIQ-1865LUB
RF Return Loss (dB) graph for MMIQ-1865LUB
LO Return Loss (dB) graph for MMIQ-1865LUB

Rev: D | Copyright © 2019 Marki Microwave LLC.

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IF Return Loss (dB) graph for MMIQ-1865LUB
IF Response (dB) graph for MMIQ-1865LUB
USB I+Q Downconversion Loss vs. LO Power (dB) graph for MMIQ-1865LUB
USB I+Q Image Rejection vs. LO Power (dB) graph for MMIQ-1865LUB
LSB I+Q Downconversion Loss vs. LO Power (dB) graph for MMIQ-1865LUB
LSB I+Q Image Rejection vs. LO Power (dB) graph for MMIQ-1865LUB
USB I+Q Upconversion Loss vs. LO Power (dB) graph for MMIQ-1865LUB
USB I+Q Sideband Suppression vs. LO Power (dB) graph for MMIQ-1865LUB

Rev: D | Copyright © 2019 Marki Microwave LLC.

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LSB I+Q Upconversion Loss vs. LO Power (dB) graph for MMIQ-1865LUB
LSB I+Q Sideband Suppression vs. LO Power (dB) graph for MMIQ-1865LUB
Input IP3 vs. LO Power (dBm) graph for MMIQ-1865LUB
Output IP3 vs. LO Power (dBm) graph for MMIQ-1865LUB
Even LO Harmonic to RF Isolation (dB) graph for MMIQ-1865LUB
Odd LO Harmonic to RF Isolation (dB) graph for MMIQ-1865LUB
Even LO Harmonic to IF Isolation (dB) graph for MMIQ-1865LUB
Odd LO Harmonic to IF Isolation (dB) graph for MMIQ-1865LUB

Rev: D | Copyright © 2019 Marki Microwave LLC.

8

Vector Modulator Insertion Loss (dB) graph for MMIQ-1865LUB
Vector Modulator Group Delay (ps) graph for MMIQ-1865LUB

Rev: D | Copyright © 2019 Marki Microwave LLC.

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Application Circuit

Application Circuit for MMIQ-1865LUB

Rev: D | Copyright © 2019 Marki Microwave LLC.

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Mechanical Data

Rev: D | Copyright © 2019 Marki Microwave LLC.

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