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Application Notes
Ceramic Duplexers
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VCXO's/VCSO's

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VCXO's
(Voltage Controlled Crystal Oscillators)

CTS VCXO's (Voltage Controlled Crystal Oscillators) & VCSO's (Voltage Controlled SAW Oscillators)

The following catalog products are recommended for new applications. If the product required is not shown, we may have a customized product for your application. Please contact your CTS Representative for availability.

One or more of these products are covered by U.S. Patent No. 6,946,919 and/or U.S. Patent No. 6,661,295. Other foreign patents pending.

Model
Name
Description Picture Frequency
(MHz)
Absolute
Pull Range
Output Temp.
Range
Supply
Voltage
Package
Size
Model 325 Low Phase Noise
High
Performance
  61.44 - 160 Application
Specific
CMOS, PECL or Sine -40°C to 85°C 3.3V
or
5V
9 x 14 mm
Model 335

ROHS
Low Phase Noise
Low Jitter
Output Enable
19.44 - 212.5 ±50
to
±100 ppm
LVPECL
LVDS
0°C to 70°C
or
-40°C to 85°C
3.3V
or
2.5V
7 x 5 mm
Model 357

ROHS
Low Phase Noise
Std
Performance
1.5 - 77.76 ±50
to
±100 ppm
HCMOS
TTL Compatible
-20°C to 70°C
or
-40°C to 85°C
3.3V
or
5.0V
7 x 5 mm
Model 350A RMS Jitter <5ps
SONET
  622.08 ±85 ppm PECL -40°C to 85°C 3.3V
or
5V
9 x 14 mm
(links to data sheets in progress)

VCSO's
(Voltage Controlled SAW Oscillators)

One or more of these products are covered by U.S. Patent No. 6,653,906. Other U.S. and foreign patents pending.

Model
Name
Output
Frequency
Absolute
Pull
Range
Output
Logic
Typical
Positive
Gain Transfer
RMS
phase jitter
50 kHz - 80 kHz
Supply
Voltage
Temp.
Range
Package
Size
VCS1001A 622.08 MHz ± 50 ppm LVPECL 180 ppm/V 0.3 psec 3.3V -40 to 85°C 9 x 14 mm
VCS1003A 622.08 MHz ± 75 ppm PECL 180 ppm/V 0.3 psec 5.0V -40 to 85°C 9 x 14 mm
VCS1026A 622.08 MHz ± 50 ppm LVPECL 180 ppm/V 0.16 psec 3.3V -40 to 85°C 5 x 7 mm