VTO-9000 Agilent(Hewlett-Packard), VTO-9000 Datasheet

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VTO-9000

Manufacturer Part Number
VTO-9000
Description
Hyperabrupt Varactor-Tuned Oscillators
Manufacturer
Agilent(Hewlett-Packard)
Datasheet
Hyperabrupt Varactor-Tuned
Oscillators
Technical Data
Features
• 25 MHz to 2.3 GHz Coverage
• Fast Tuning
• Fast Setting Time
• +20 VDC Max Tuning
• 10 mW Output Power
• Hermetic Thin-film
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.
V Tune
Schematic
5964-9814E
Voltage
Construction
2.0 dB Output Flatness
Capacitor
Tuning
Port
Series Feedback
Varactor
Resonator
+15 V
Output Matching
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
RF Output
9-30
VTO-9000 Series
Pin Configuration
TO-8V
lightweight commercial and
military equipment designs.
Test fixturing is also available for
lab bench test applications. See
the “Test Fixtures for TO-8
Packages” 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.
+V
TUNE
+DC
VOLTAGE
2
3
1
GROUND
CASE GROUND
4
RF OUT

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VTO-9000 Summary of contents

Page 1

... Fixtures for TO-8 Packages” 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. ...

Page 2

... MHz 25 MHz 10 MHz/V –14 dB – VDC 12 2 VDC +20 VDC 100 pF –97 dBc/Hz –105 dBc/Hz +15VDC 50 mA TO–8V 9-31 VTO–9068 VTO–9090 900–1600 MHz + + MHz 20 MHz 25 MHz 25 MHz 6 MHz/V 6 MHz/V –14 dB –14 dB –60 dB –60 dB ...

Page 3

... MODULATION 786 SENSITIVITY 590 TUNING VOLTAGE, VDC Figure 5. VTO-9068 Power Output, Frequency and Modulation Sensitivity vs. Tuning Voltage. –40 –60 –80 –100 100 –120 –140 –160 Figure 2. VTO-9032 Normalized Phase Noise 0 @ 640 MHz S.S.B. Power Spectral Density. ...

Page 4

... Modulation Sensitivity vs. Tuning Voltage. –20 –40 –60 –80 –100 250 –120 200 –140 150 –160 100 50 Figure 8. VTO-9090 Noise @ 1000 MHz 0 Single Sideband Phase Noise. 22 –40 –60 –80 –100 100 –120 –140 –160 Figure 10. VTO-9120 Normalized Phase Noise 0 @ 2000 MHz S.S.B. Power Spectral Density. ...

Page 5

... DIA DIA 0.22 MIN Test Fixtures for TO-8 Packages (TF 801/802) Oscillators (VTO) Features • GHz Frequency Range • Connectorized Tuning Port and RF Output • Easy to Test Package • Repeatable Performance Applications • Engineering Characterization • Incoming Inspection • ...

Page 6

... VTO IN PLACE .83 GROUND .20 RF OUT .55 .65 (a) CONNECTOR OPTIONS TUNING SERIES VOLTAGE TF-801 SMA TF-802 SMA Figure 13. TO-8 Test Fixture. TUNING VOLTAGE CONNECTOR .35 POWER INPUT + TUNING CONNECTOR VOLTAGE PIN .35 .45 .35 .15 .70 (b) + TUNING VOLTAGE RF OUTPUT SMA TYPE N 9-35 TUNING VOLTAGE DC PIN V DC GROUND ...

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