Min.
750KHz
Max.
800MHz
F group
0.5 ps
W group
4.0 ps
GP
LVPECL Differential
Thru-Hole
SMD
3.3V
Applications
● GPF and GPW uses high-Q fundamental crystals and low jitter multiplier circuits.
● GPF offers < 1 ps phase jitter at only a fraction of the cost of a high frequency
fundamental crystal VCXO. GPW series has moderate jitter at a low cost.
General specifications of GPF and GPW only , at Ta=+25°C , CL=15pF
Model
" GPF " series
" GPW " series
High Q fundamental crystal +
low jitter multiplier circuit
High Q fundamental crystal +
multiplier circuit
Technology
Output Logic
LVPECL Differential
Available Frequency Range
Supply Voltage VDD
38.0 MHz ~ 640.0 MHz
+3.3 VDD ± 5%
" 3 "
750 KHz ~ 800.0 MHz
+3.3 VDD ± 5%
" 3 "
Supply Voltage Code
VDD-1.025 min. Termination: RL=50 Ω to (VDD-2.0V). See test circuit below.
VDD-1.620 max. Termination: RL=50 Ω to (VDD-2.0V). See test circuit below.
Output Logic " High " , " 1 "
Output Logic " Low " , " 0 "
Integrated Phase Jitter (12 KHz to 20 MHz)
0.4 ps typical; 0.5 ps max. [ for 156.250 MHz ]
3.0 ps typical; 5 ps max. [ for 156.250 MHz ]
2.6 ps typical; 4 ps max. [ for 155.520 MHz ]
Period Jitter ( RMS ; Decoupling
capacitor between VDD and ground )
4.3 ps typical. [ for 155.520 MHz
27 ps typical. [ for 155.520 MHz
]
Period Jitter ( peak-to-peak ;Decoupling
capacitor between VDD and ground )
20 ps typical; 30 ps max. [ for 156.250 MHz ]
]
38 MHz ~ 100 MHz - - - - - - - - - 65 mA max
100.01 MHz ~ 320 MHz - - - - - - - 80 mA max.
320.01 MHz ~ 640 MHz - - - - - - 90 mA max..
< 24 MHz - - - - - - - - - - - - - - - - 25 mA max
24.01 MHz ~ 96 MHz - - - - - - - - 65 mA max
96.01 MHz ~ 800 MHz - - - - - - - 100 mA max..
Current Consumption (15 pF load)
Rise Time / Fall Time
0.55 ns max. ( 20%↔80% of the PECL wave form )
1.5 ns max. ( 20%↔80% of the PECL wave form )
If non-standard please enter the desired stability
Frequency Stability over
± 25 ppm
± 50 ppm
± 100 ppm
Operating Temperature Range
after the " C " or " I "
For example :
Frequency Stability (1) Codes
Commercial " C " ( -10°C to +70°C )
A
D
B
E
C
F
" C20 " : ± 20 ppm over -10°C to +70°C ;
" I20 " : ± 20 ppm over -40°C to +85°C
Industrial " I " ( -40°C to +85°C )
RL=50 Ω to (VDD-2.0V). See test circuit below.
10 m sec. ( max.)
Load
Start-up Time
50% ± 5% ( measured at VDD -1.3V)
Duty Cycle
Aging at Ta = +25°C
Control Voltage Center , Range
± 3 ppm max. first year ; ± 2 ppm max. per year thereafter
+ 1.65 V , Vcon =+0.3V to +3.0V
±80 ppm ( min.) . Use " N " ( minimum ) , " M " ( maxiimum ) , " T " ( typical,±20% ) for the desired range .
Example : " 100M " represents ±120ppm ( min.) .
Frequency Deviation Range
Linearity
6% typical ; 10% max.
Slope Polarity
Modulation Bandwidth
Input Impedance
No Connection
Positive : Positive voltage for positive frequency shift
25 KHz min. ( -3dB , 0V ≤ Vcontrol ≤ 3.3V )
60 KΩ min.
2 MΩ min.
Differential PECL and compliantary PECL outputs .
Both outputs are disabled ( high impedance ) when pad No.2 is taken below 0.45*Vcc referenced to
ground ( threshold ) Oscillator is always On . Only buffer stage is disabled .
Disable
Enable
Tri - State Function.
on pad No. 2
Disable current : 50 uA max. ( at 0.0V ) , Disable time : 10 ns (max.)
At disabled mode , both outputs are enabled when Tri-state pad is taken above 0.45*Vcc referenced to
ground ( threshold ) ; Enable time : 10ns + one period of the output frequency (max.)
Offset
Frequency: 156.250 MHz
-62 dBc / Hz
Frequency: 155.520 MHz
-60 dBc / Hz
10 Hz
Phase Noise :
100 Hz
1 KHz
-92 dBc / Hz
-90 dBc / Hz
Tested with Vcontrol pin connected
to ground ( typical )
-120 dBc / Hz
-132 dBc / Hz
-128 dBc / Hz
-140 dBc / Hz
-150 dBc / Hz
-115 dBc / Hz
-125 dBc / Hz
-119 dBc / Hz
-120 dBc / Hz
-140 dBc / Hz
10 KHz
100 KHz
1 MHz
10 MHz
(1) Inclusive of 25ºC tolerance, operating temperature range, ±10% input voltage variation, load change, aging shock and vibration
Mercury www .mercury-crystal.com
■Taiwan : Tel (886)-2-2406-2779 / sales-tw@mercury-crystal.com ■U.S.A: Tel: (1)-909-466-0427 / sales-us@mercury-crystal.com ■China: Tel: (86)-512-5763-8100 / sales-cn@mecxtal.com
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