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DMF2821-220

Description
Mixer Diode
CategoryDiscrete semiconductor    diode   
File Size1MB,20 Pages
ManufacturerIsolink Inc
Download Datasheet Parametric View All

DMF2821-220 Overview

Mixer Diode

DMF2821-220 Parametric

Parameter NameAttribute value
package instructionS-CDMW-F2
Reach Compliance Codecompliant
ECCN codeEAR99
ConfigurationSINGLE
Maximum diode capacitance0.4 pF
Diode component materialsSILICON
Diode typeMIXER DIODE
frequency bandX BAND
JESD-30 codeS-CDMW-F2
Number of components1
Number of terminals2
Maximum operating temperature175 °C
Minimum operating temperature-65 °C
Package body materialCERAMIC, METAL-SEALED COFIRED
Package shapeSQUARE
Package formMICROWAVE
Maximum power dissipation0.075 W
surface mountYES
technologySCHOTTKY
Terminal formFLAT
Terminal locationDUAL
Schottky barrier typeLOW BARRIER
Base Number Matches1
DATA SHEET
DME, DMF, DMJ Series: Silicon Beam-Lead Schottky Mixer
Diodes – Singles, Pairs, and Quads in Ceramic Hermetic
Packages
Applications
Microwave integrated circuits
Mixers
Detectors
Features
Low 1/f noise
Low intermodulation distortion
Hermetically sealed packages
Statistical process control wafer fabrication
Packages rated MSL1, 260
C
per JEDEC J-STD-020)
The absolute maximum ratings of the DME, DMF, and DMJ series
of Schottky mixer diodes are provided in Table 2. Electrical and
physical specifications are provided in Tables 3 through 9.
Typical performance characteristics are shown in Figures 1
through 3. Typical mixer circuits are shown in Figure 4. Package
dimensions are provided in Figures 5 through 21.
Description
The Isolink silicon Schottky barrier mixer diodes are designed for
applications through 20 GHz.
Schottky barrier mixer diodes are made by the deposition of a
suitable barrier metal on an epitaxial silicon substrate to form the
junction. The process and choice of materials result in low series
resistance with a narrow spread of capacitance values for close
impedance control.
A variety of forward voltages are available ranging from low values
for low, or starved, local oscillator drive levels to high values for high
drive, low distortion mixer applications. These Schottky barrier
mixer diodes are available in a wide range of packages.
Capacitance ranges and series resistances are comparable with the
packaged devices that are available up to, and including, the Ka-
band.
Schottky barrier diodes are categorized by universal mixer
applications in six frequency ranges: S, C, X, Ku, K, and Ka bands
as noted in Table 1. They may also be used as modulators and
high-speed switches.
T
a
ble 1. Frequency Table
Frequency Band
S
C
X
Ku
K
Ka
Frequency
(GHz)
2 to 4
4 to 8
8.2 to 12.4
12.4 to 18.0
18.0 to 26.5
26.5 to 40.0
Isolink, Inc. • Phone [408] 946-1968 • Fax [408] 946-1960 • sales@isolink.com • www.isolink.com
203261A • Isolink Proprietary Information • Products and Product Information are Subject to Change Without Notice. • August 15, 2014
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