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VTO-9090 Datasheet

  • VTO-9090

  • Hyperabrupt Varactor-Tuned Oscillators

  • 6頁(yè)

  • AGILENT   AGILENT

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Hyperabrupt Varactor-Tuned
Oscillators
Technical Data
VTO-9000 Series
Features
鈥?25 MHz to 2.3 GHz Coverage
鈥?Fast Tuning
鈥?Fast Setting Time
鈥?+20 VDC Max Tuning
Voltage
鈥?10 mW Output Power
鈥?/div>
鹵
2.0 dB Output Flatness
鈥?Hermetic Thin-film
Construction
This provides extremely fast
tuning speed limited primarily by
the internal impedance of the
user-supplied voltage driver.
This family of oscillators is
similar to the standard commer-
cial VTO-8000 Series except for
the incorporation of a silicon
hyperabrupt varactor tuning
diode. This enables the oscillator
to be tuned over the specified
range in less than 20 volts rather
than 40 to 50 volts in conven-
tional oscillators.
The VTO-9000 Series VTOs are
packaged in TO-8 transistor cans
for simple installation in a
conventional 50-ohm
microstripline PC board. They
are ideal for most compact
Pin Configuration
TO-8V
GROUND
+V
3
RF OUT
2
1
4
TUNE
+DC
VOLTAGE
CASE GROUND
Description
HP VTO-9000 Hyperabrupt Series
oscillators use a silicon transistor
chip as a negative resistance
oscillator. The oscillation fre-
quency is determined by a silicon
hyperabrupt varactor diode acting
as a voltage-variable capacitor in a
thin-film microstripline resonator.
lightweight commercial and
military equipment designs.
Test fixturing is also available for
lab bench test applications. See
the 鈥淭est Fixtures for TO-8
Packages鈥?section for additional
information and outlines.
Applications
The VTO-9000 Series oscillators
may be used in the same applica-
tions as VTO-8000 Series oscilla-
tors. The VTO-9000 Series is the
desired choice for superior
linearity and modulation sensitiv-
ity requirements.
Schematic
+15 V
Output Matching
Series Feedback
RF Output
Varactor
V Tune
Tuning
Port
Capacitor
Resonator
5964-9814E
9-30

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