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HMC587LC4B Datasheet, PDF (1/6 Pages) Hittite Microwave Corporation – WIDEBAND MMIC VCO w/ BUFFER AMPLIFIER, 5 - 10 GHz
v03.0514
Typical Applications
Low noise wideband MMIC VCO for applications
such as:
• Industrial/Medical Equipment
• Test & Measurement Equipment
• Military Radar, EW & ECM
Functional Diagram
HMC587LC4B
WIDEBAND MMIC VCO w/ BUFFER
AMPLIFIER, 5 - 10 GHz
Features
Wide Tuning Bandwidth
Pout: +5 dBm
Low SSB Phase Noise: -95 dBc/Hz @100 kHz
No External Resonator Needed
Single Positive Supply: +5V @ 55 mA
RoHS Compliant 4 x 4 mm SMT Package
General Description
The HMC587LC4B is a wideband GaAs InGaP
Voltage Controlled Oscillator which incorporates the
resonator, negative resistance device, and varactor
diode. Output power and phase noise performance
are excellent over temperature due to the oscilla-
tor’s monolithic construction. The Vtune port accepts
an analog tuning voltage from 0 to +18 volts. The
HMC587LC4B VCO operates from a single +5V
supply, consumes only 55 mA of current, and is
housed in a RoHS compliant SMT package. This
wideband VCO uniquely combines the attributes of
ultra small size, low phase noise, low power consump-
tion, and wide tuning range.
Electrical Specifications, TA = +25° C, Vcc = +5V
Parameter
Min.
Frequency Range
Power Output
0
SSB Phase Noise @ 100 kHz Offset
SSB Phase Noise @ 10 kHz Offset
Tune Voltage (Vtune)
0
Supply Current (Icc) (Vcc = +5.0V)
40
Tune Port Leakage Current (Vtune = +18V)
Output Return Loss
2nd Harmonic
Pulling (into a 2.0:1 VSWR)
Pushing @ Vtune= +5V
Frequency Drift Rate
Typ.
5.0 - 10.0
5
-95
-65
7
-15
4
15
0.8
Max.
18
75
10
Units
GHz
dBm
dBc/Hz
dBc/Hz
V
mA
µA
dB
dBc
MHz pp
MHz/V
MHz/°C
1
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