HSCH-5531 Datasheet, PDF (1/6 Pages) AVAGO TECHNOLOGIES LIMITED – Beam Lead Schottky Diode Pairs for Mixers and Detectors

HSCH-55XX
Beam Lead Schottky Diode Pairs for Mixers and Detectors
Data Sheet
Description
These dual beam lead diodes are constructed using
a metal-semiconductor Schottky barrier junction.
Advanced epitaxial techniques and precise process
control insure uniformity and repeatability of this planar
passivated microwave semicon­duc­tor. A nitride passiva-
tion layer provides immunity from contaminants which
could otherwise lead to IR drift.
The Avago beam lead process allows for large beam
anchor pads for rugged construction (typical 6 gram pull
strength) without degrading capacitance.
Features
• Monolithic Pair: Closely Matched Electrical Parameters
• Low Capacitance: 0.1 pF Maximum at 0 Volts
• Low Noise Figure: Typical 7.5 dB at 26 GHz
• Rugged Construction: 4 Grams Minimum Lead Pull
• Platinum Tri-Metal System: High Temperature Stability
• Polyimide Scratch Protec­tion
• Silicon Nitride Passivation: Stable, Reliable Performance
Applications
The beam lead diode is ideally suited for use in stripline
or microstrip or coplanar wave­guide circuits. Its small
physical size and uniform dimensions give it low parasit-
ics and repeatable RF characteristics through K‑band.
These dual beam leads are intended for use in balanced
mixers and in even harmonic anti-parallel pair mixers.
By using several of these devices in the proper configu-
ration it is easy to assemble bridge quads, star quads,
and ring quads for Class I, II, or III type double balanced
mixers.
Outline 04B
220 (9.0)
180 (7.0)
120 (5.0)
90 (3.5)
CATHODE
GOLD
BEAMS
GLASS
540 (21.0)
480 (19.0)
220 (9.0)
180 (7.0)
250 (10.0)
200 (8.0)
190 (7.0)
160 (6.0)
Assembly Techniques
Thermocompression bonding is recommended. Welding
or conductive epoxy may also be used. For additional in-
formation see Application Note 979, “The Handling and
Bonding of Beam Lead Devices Made Easy,” or Applica-
tion Note 993, “Beam Lead Device Bonding to Soft Sub-
strates.”
8 Min. (0.3)
PLATINUM
METALLIZATION
CATHODE
GLASS
60 (2.4)
40 (1.5)
ANODE
GLASS
DIMENSIONS IN m (1/1000 inch)