Agilent VTO-1990-SMA,
VTO-2150-SMA
Voltage Controlled Oscillator
Data Sheet
Features
• Operating frequency:
19.906 or 21.509 GHz
• Output power (50Ω load):
3 dBm minimum
• Modulation sensitivity:
10 to 20 MHz/V
Functional Block Diagram
Description
The VTO-1990-SMA and
• Tuning voltage:
0 to 10 Volts
VTO-2150-SMA provides a
fundamental, low jitter source as
a key component for the data
re-timing in the transmitter
subsystem and clock and data
recovery in the receiver of the
40 Gb fiber optic systems.
• Low jitter (Less than 50 femto
seconds from 50 KHz to 80 MHz)
Amp
X2
Output
• Frequency drift over 0°C to +75°C:
40 MHz
• 1.180" x 0.950" x 0.400"
• 5 Volt bias optional
The oscillator uses an extremely
high performance low noise
Agilent Silicon Bipolar transistor
in conjunction with a
Applications
• Transmitter and receiver sub-
systems for OC-768/STM-256
applications
hyperabrupt varactor diode to
provide the tuning capability.
The oscillator output is then
coupled to an Agilent GaAs FET
MMIC amplifier and MMIC
• 20 GHz source
multiplier chain to double the
frequency. Finally the output is
filtered through a bandpass filter
prior to outputting the signal at
19.906 or 21.509 GHz.
VTO-1990-SMA and VTO-2150-SMA Absolute Maximum Ratings[1]
Parameter
Units
Ratings
Positive Supply Voltage
Tuning Voltage
V
0 to +10
V
0 to +12
Operating Temperature
Storage Temperature
Note:
°C
°C
-10 to +95
-40 to +130
1. Operation of this device in excess of any of these limits may cause permanent damage.
