HMC448LC3B Datasheet, PDF (1/6 Pages) Hittite Microwave Corporation – SMT GaAs MMIC x2 ACTIVE FREQUENCY MULTIPLIER, 20 - 25 GHz OUTPUT

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HMC448LC3B
SMT GaAs MMIC x2 ACTIVE FREQUENCY
MULTIPLIER, 20 - 25 GHz OUTPUT
Typical Applications
The HMC448LC3B is suitable for:
• Clock Generation Applications:
SONET OC-192 & SDH STM-64
• Point-to-Point & VSAT Radios
• Test Instrumentation
• Military & Space
Functional Diagram
Features
Output Power: +11 dBm
Wide Input Power Range: -4 to +6 dBm
Fo, 3Fo Isolation: >20 dBc @ Fout= 20 GHz
100 KHz SSB Phase Noise: -135 dBc/Hz
Single Supply: +5V@ 48 mA
RoHS Compliant 3x3 mm SMT Package
General Description
The HMC448LC3B is a x2 active broadband frequ-
ency multiplier utilizing GaAs PHEMT technology
in a leadless RoHS compliant SMT package. When
driven by a 0 dBm signal, the multiplier provides
+11 dBm typical output power from 22 to 25 GHz.
The Fo and 3Fo isolations are >20 dBc up to 22
GHz. This multi-rate frequency multiplier can
be used in the generation of a half rate clock for
40 Gbps systems or as part of a multiplier chain to
generate a full rate 40 Gbps clock. The HMC448LC3B
is also ideal for use in LO multiplier chains for Pt-to-Pt
& VSAT Radios yielding reduced parts count vs.
traditional approaches. The low additive SSB Phase
Noise of -135 dBc/Hz at 100 kHz offset helps maintain
good system noise performance. The HMC448LC3B
eliminates the need for wire bonding, allowing the use
of surface mount manufacturing techniques.
Electrical Specifications, T_A = +25° C, Vdd = +5V, 0 dBm Drive Level
Parameter
Min.
Typ.
Max.
Min.
Frequency Range, Input
10 - 11
Frequency Range, Output
20 - 22
Output Power
5
9
7.5
Fo Isolation (with respect to output level)
24
3Fo Isolation (with respect to output level)
25
Input Return Loss
10
Output Return Loss
6
SSB Phase Noise (100 kHz Offset)
-135
Supply Current (Idd)
48
Typ.
11 - 12.5
22 - 25
11
15
25
7
10
-135
48
Max.
Units
GHz
GHz
dBm
dBc
dBc
dB
dB
dBc/Hz
mA
1
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