VOLTAGE-CONTROLLED CRYSTAL OSCILLATORS -PECL OUTPUT
GP614 PECL VCXO
6 Pin Pa cka g e
LOW JITTER VERSION
OUTLINES & DIMENSIONS
FEATURES
·
·
·
·
·
Sta b le a n d cle a n 100K com p a tib le PECL sq ua re wa ve
Use s in ve rte d m e sa , fun d a m e n ta l m od e crysta ls
No PLL, m ultip lie r or ove rton e -m od e crysta ls use d
Ve ry low jitte r < 1p s for 155.520MHz
Sta n d a rd 14 p in DIL, 6 p in p a cka g e
GENERAL SPECIFICATION
Outp ut Wa ve form :
PECL 100K square wave
Fundamental mode crystal
19.440MHz to 250MHz
38.880, 44.736, 50.0, 77.76,
100.0, 106.25, 125.0, 155.52,
166.6286, 200.0, 207.360 and
212.500MHz (partial list)
See table
Fre q ue n cy Ra n g e :
Sta n d a rd Fre q ue n cie s:
Fre q ue n cy Sta b ility:
In p ut/ Outp ut Volta g e s
Outp ut Volta g e
In p ut Con t. V Con trol Volta g e
V± 5% Ce n tr.
Ra n g e
HIGH
LOW
+ 3.3
+ 5.0
+ 1.65 + 0.3V to + 3.0V 2.25V min.
1.65V max.
3.15V min.
3.25V typ.
3.35V max.
CURRENT CONSUMPTION*
+ 2.5
+ 0.5V to + 4.5V 3.95V min.
4.05V typ.
Curre n t Con sum p tion (m A)
4.15V max.
77.760MHz
155.520MHz
Curre n t Con sum p tion :
Loa d :
See table
50W into Vcc-2V
or Thevenin equivalent*
1.5ns max (20%~ 80%Vcc)
50± 2% typ., 50± 5% max.
(both outputs)
+ 3.3
+ 5.0
58
85
54
73
* Measured with terminating resistor
Rise / Fa ll Tim e s:
Duty Cycle :
JITTER (Exa m p le )
Jitte r:
SSB Ph a se n oise :
See table
Jitte r a t 155.520MHz -5.0Volts
p ico se con d s RMS m a x.
-50dBc @ 10Hz offset
-80dBc @ 100Hz offset
-110dBc @ 1kHz offset
-135dBc @ 10kHz offset
-145dBc @ 100kHz offset
-145dBc @ 1MHz offset
1Hz ~ 1MHz
20
10Hz ~ 1MHz
100Hz ~ 1MHz
12kHz ~ 20MHz
10Hz ~ 20MHz
1.8
0.2
1.0
5.0
Fre q ue n cy De via tion Ra n g e
Sup p ly= + 3.3 V:
Sup p ly= + 5.0:
Lin e a rity:
Slop e Pola rity:
± 80ppm (wider range available)
± 100ppm (wider range available)
± 10% max.
Monotonic and positive. Increasing
control voltage increases output
Frequency. (Increases when
V.Cont. approaches 0 Volts
10ms max.
MODEL OPTIONS
Pt. No.
Suffix
(Transfer function)
Pin 1
Pin 12
Pin 3
N/ C
Pin 7
Pin 14
Pin 8
O/ P
O/ P
-3N
-3T
Voltage
Control
Voltage
Control
Ground
Ground
Comp.
O/ P
Comp.
O/ P
Supply
Voltage
Supply
Voltage
Sta rt-up Tim e :
In p ut Im p e d a n ce :
3d B Mod ula tion Ba n d wid th :
Ag e in g :
> 10kW
10kHz minimum
± 2ppm/ year max.
Tristate
Stora g e Te m p e ra ture :
Tri-sta te Op tion :
-55° to + 100°C
PECL output is disabled and Complimentary
output remains high when Tristate pin is
HIGH. Both outputs are high when Tristate
pin is LOW.
ORDER CODE
GP614 Sta b ility Cod e
(A to F)
Pull
Nom in a l
Op tion s
Sup p ly
Volta g e
Ra n g e Fre q ue n cy
* Terminating resistor required on output.
FREQUENCY STABILITY
‘3’ for + 3.3V
‘5’ for + 5.0V
Package
Style
Nominal
Frequency
(± ppm)
‘N’ = min.
‘M’ = max.
‘T’= typical
Stability Code
A to F or
Cxx or Ixx
Options
(See table
above)
Te m p e ra ture Ra n g e Ord e r Cod e
Sta b ility
(p p m )
0°~ + 70°C
-40°~ + 85°C
± 25
± 50
± 100
A
B
C
D
E
F
EXAMPLE:
5GP614-A-80N-155.520-3T
Note: For non-standard frequency stability for commercial temperature
range use the Code ’C’ followed by the stability, example ‘C20’ for
± 20ppm over 0° to + 70°C. For industrial temperature range use ‘I’
and the stability, example ‘I20’ for ± 20ppm over -40° to + 85°C.
This describes GP614 package with complimentary PECL output, + 5.0
Volt supply, ± 25ppm over 0° to + 70°C, ± 80ppm minimum pull range
with frequency of 155.250MHz and Tristate function on Pin 3.
EUROQUARTZ LIMITED Bla ckn e ll La n e CREWKERNE Som e rse t UK TA18 7HE
Te l: + 44 1460 230000 Fa x: + 44 1460 230001 e m a il: in fo@e uroq ua rtz.co.uk we b : www.e uroq ua rtz.co.uk
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