HMC256(V02) Просмотр технического описания (PDF) - Hittite Microwave

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HMC256
(Rev.:V02)

GaAs MMIC I/Q MIXER 5.9 - 12 GHz

Hittite Microwave 

v02.1103

MICROWAVE CORPORATION

HMC256

GaAs MMIC I/Q MIXER

5.9 - 12 GHz

Pad Descriptions

Pad Number

Function

1

RF

Description

This pin is AC coupled and matched to 50 Ohm.

Interface Schematic

5

2

LO

This pin is AC coupled and matched to 50 Ohm.

3,4

IF1, IF2

This pin is DC coupled. For operation to DC pin must not

sink/source more than 2 mA of current or failure may result.

Backside

GND

The backside of the die must connect to RF ground.

Image Reject Mixer Suggested Application Circuit

Below in Figure 1 is a photo and in Figure 2 a schematic of the HMC256 image reject mixer MMIC die connected to a quadrature

hybrid (120 MHz) manufactured by Merrimac Industries West Caldwell, NJ (P/N QHZ-2A-120).

Data presented for the HMC256 MMIC IRM was obtained using the circuit described here. Please note that the image rejection

and isolation performance is dependent on the selection of the low frequency hybrid. The performance specification of the low

frequency quadrature hybrid as well as the phase balance and VSWR of the interface circuit to the HMC256 MMIC will effect the

overall IRM performance.

5 - 36

Figure 1:

Complete MIC IRM Assembly

Figure 2:

Schematic of HMC256 IRM MMIC Connected to the Quadrature Hybrid

For price, delivery, and to place orders, please contact Hittite Microwave Corporation:

12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373

Order Online at www.hittite.com

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