Preliminary Specification
Electrical Characteristics
Parameter
Sym
Conditions
Min
Typical
Max
Unit
Power
Requirements
Power Supply
Vcc
5% 350L
5% 350S
3.135
4.75
3.30
5.0
3.465
5.25
Vdc
Vdc
Supply Current
Icc
Vcc=Max. (3.3Vdc)
50
. Load (5.0Vdc)
55
80
mA
mA
Frequency
Stabilities
Center
Frequency
f
nom
416
622.08
832
MHz
Initial Tolerance
f
cal
Ta=+25
C
EFC=Center(0.5Vcc)
-10
+10
ppm
Freq. vs. Temp.
f/
Temp
Oper. Temp. Range
15
ppm
Freq. vs. Voltage
f/
Vcc
Vcc
5%
1
ppm
Freq. vs. Load
f/
RL
10% Variation
1
ppm
Freq. vs Time
(Aging)
f/
Time
20 years
10
ppm
Deviation
Characteristics
Control Voltage
VC
3.3V "L" Version
5.0V "S" Version
0.15
0.5
3.15
4.5
V
V
Frequency
Deviation
f
+25
C at time of
Shipment
125
ppm
Linearity
Lin
Best Staight Line Fit
-10
5
10
%
Absolute Pull
Range
APR
Under all conditions
for the life of the part
(Ref. to f
nom
)
85
ppm
Input Impedance
Zin
100
K
Waveform
Parameters
Symmetry
Sym
@ 50% Level
45
50
55
%
Amplitude
Vo
50
Load
Vcc-1.62V
Vcc-1.025V
V
Rise/Fall Times
tr, tf
20% to 80%
225
350
pSec
Load
RL
Output to Vcc-2.0V
or Equivalent
50
Phase Jitter
12KHz to 20MHz or
50KHz to 80MHz
Bandwidth
<1
pSec RMS
Model 350
9x14mm Differential PECL
High Frequency VCXO
(416MHz to 832MHz)
9x14mm Surface Mount Pkg.
Differential PECL Outputs
Guaranteed Minimum Pull Range
+3.3Vdc or +5.0Vdc Operation
Sealed AT Strip Crystal
Output Enable Function
Low Phase Jitter: < 1.0 pSec RMS
Excellent Solder Reflow Performance
CTS Frequency Products
400 W. North Street
Carlisle, PA 17013
717-243-5929
Preliminary Specification
Model 350
9x14mm Differential PECL
High Frequency VCXO
(416MHz to 832MHz)
Storage Temperature:
-55
to +125
C
Reflow Soldering:
will withstand 240
C for 20 Seconds
Shock:
1500 G's, 0.5 mSec. Pulse (3 Shocks/Axis)
Vibration:
10 G's peak, 20 to 2000 Hz
Case:
High Temp. FR-4 Base
Environmental / Mechanical Specifications
CTS Frequency Products
400 W. North Street
Carlisle, PA 17013
717-243-5929
Ordering Information
Model 350 -- ___.________
Example: 350LAA-622.080
350SBB-666.514
Supply Voltage
L = +3.3Vdc
S = +5.0Vdc
Operating Temp. Range
A = 0
to +70
C
B = -40
to +85
C
Frequency in MHz
Rev. 5
Option "A"
Enable Truth Table
Pin 2
Pins 4&5
PECL "0"
Disabled
PECL "1"
Enabled
Open
Disabled
Option "B"
Enable Truth Table
Pin 2
Pins 4&5
PECL "0"
Enabled
PECL "1"
Disabled
Open
Enabled
Truth Table Option
A = Enable High
B = Enable Low
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