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The MMIQ-1867LSM is a low LO drive, passive GaAs MMIC IQ mixer. This is an ultra-broadband mixer spanning 18 to 67 GHz on the RF and LO ports with an IF from DC to 23 GHz. Up to 50 dB of image rejection is available due to the excellent phase and amplitude balance of its on-chip LO quadrature hybrid. Both surface QFNs and evaluation boards are available. For a list of recommended LO driver amps for all mixers and IQ mixers, see here.


The electrical specifications apply at TA=+25°C in a 50Ω system. Typical data shown is for a down conversion application with a +13 dBm 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.

Parameter

Test Conditions

Min

Typical

Max

Units

RF (Pin 3) Frequency Range

 

18

 

67

GHz

LO (Pin 9) Frequency Range

 

18

 

67

I (Pin 15) Frequency Range

 

0

 

23

Q (Pin 11) Frequency Range

 

0

 

23

Conversion Loss (CL)[1]

RF/LO = 18 - 67 GHz

I+Q = DC - 0.2 GHz

 

9

 

 

RF/LO = 18 - 67 GHz

I+Q = 0.2 - 23 GHz

 

13

 

 

RF/LO = 18 - 67 GHz

I = DC - 0.2 GHz

 

12

18

dB

RF/LO = 18 - 67 GHz

I = 0.2 - 23 GHz

 

16

 

RF/LO = 18 - 67 GHz

Q = DC - 0.2 GHz

 

12

19

RF/LO = 18 - 67 GHz

Q = 0.2 - 23 GHz

 

16

 

Noise Figure (NF)[2]

RF/LO = 18 - 67 GHz

I = DC – 0.2 GHz

 

12

 

dB

RF/LO = 18 - 67 GHz

Q = DC – 0.2 GHz

 

12

 

Image Rejection (IR)[3]

RF/LO = 18 - 67 GHz

I+Q = DC – 0.2 GHz

 

32

 

dBc

Amplitude Balance

 

 

0.2

 

dB

Phase Balance

 

 

3

 

°

Isolation

LO to RF

RF/LO = 18 - 67 GHz

 

48.5

 

dB

LO to I

IF/LO = 18 - 67 GHz

 

43

 

LO to Q

IF/LO = 18 - 67 GHz

 

55

 

RF to I

RF/IF = 18 - 67 GHz

 

56

 

RF to Q

RF/IF = 18 - 67 GHz

 

55

 

Input IP3 (IIP3)[4]

I+Q

RF/LO = 18 - 67 GHz

I = DC – 0.2 GHz

 

+16.5

 

dBm

Input 1 dB Gain Compression Point (P1dB)

I

 

 

+4.5

 

dBm

Q

 

 

+3.5

 



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

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

[3] 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.

[4] Typical IIP3 is measured with I and Q ports combined with an external quadrature hybrid coupler in a down conversion.

Download our 3D models here.
MMIQ-1867LSM Mixer Package Diagram

Model

Stock

Price


ModelPackage
MMIQ-1867LSM-2Surface Mount (SM)
EVAL-MMIQ-1867LConnectorized Evaluation Board (EVAL)


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