Voltage Controlled Crystal Oscillators
3GPF576 Series +3.3V, “F” family,
3GPF576
VCXO products feature 0.4 ps typical phase jitter and
low phase noise (-132 dBc at 10 KHz for 155.520 MHz).
Differential PECL Outputs meet the requirements for
SONET, XDSL and other communication protocols.
General Specifications
Product Series
Frequency Range
Output Logic
VCXO
PECL Outputs
MERCURY
Since 1973
Frequency Stability
vs Operating Temperature
Range
3GPF576
38 MHz ~ 640 MHz.
Differential PECL 100 K square wave
Industrial
“
I
”:
Commercial “ C ”::
Stability Code
-10°C to +70°C
-40°C to +85°C
±25 ppm
A
D
±50 ppm
B
E
±100 ppm
C
F
Ixx
Custom ±xx ppm
Cxx
If custom, use “temperature range code + desired ppm stability” for the
stability code. Example: “C20” (±20 ppm over -10 to +70°C) or “I35”.
±3 ppm max.with ±10% supply voltage change
±2 ppm max.with ±10% Load change:
+3.3 V ± 10 %
2.275 V min.; 2.420 V max. Condition: 50 ohms to V
DD
-2V
1.490 V min..; 1.680 V max. Condition: 50 ohms to V
DD
-2V
38 MHz≤ fout
≤
100 MHz: 70 mA max.
100 MHz< fout
≤
320 MHz: 85 mA max
320 MHz< fout
≤
640 MHz: 95 mA max
50 ohms into V
CC
-2V or Thevenin equivalent (terminating resistors
required on all outputs). See test circuit below.
fout
< 150 MHz: 0.5 ns typical; 0.7 ns max.
150 MHz
≤
fout
≤
320 MHz:
0.4 ns. typical; 0.55 ns. max
320 MHz < fout
≤
640 MHz:
0.3 ns. typical; 0.45 ns. max
Measured at 20%
↔
80% of the wave form.
50% ± 5% max. measured at 50% waveform.
+1.65 V
Vcon= +0.3 V to +3.0 V
From ± 80 ppm to ± 120 ppm. Use “N” (minimum), “M”
(maximum), “T” (typical, ±20%) for the desired range.
Example: 120M represents ±120 ppm maximum.
6% typical; 10% max.
Positive: Positive voltage for positive frequency shift
25 KHz min. (- 3dB, 0V
≤
Vcon
≤
3.3V)
60 KΩ min.
Differential PECL and complimentary PECL outputs.
vs Supply Voltage Change
vs Load Change
Supply Voltage V
CC
Output Voltage HIGH “1”, V
OH
Output Voltage LOW “0”, V
OL
Current Consumption
Load
Rise Time (Tr) and
Fall Time (Tf)
Duty Cycle
Control Voltage Center
Voltage Control
Characteristics
(pad No. 1)
Tri-state
Control Voltage Range
Frequency Deviation Range
Linearity
Slope Polarity (Transfer Function)
Modulation Band Width
Input Impedance
No Connection
Taiwan: TEL (886)-2-2406-2779, FAX (886)-2-2496-0769, e-mail: sales-tw@mercury-crystal.com
U.S.A.: TEL (1)-909-466-0427, FAX (1)-909-466-0762, e-mail:
sales-us@mercury-crystal.com
MERCURY
Page 1 of 4
Date: April 1, 2008
Rev. 1
MERCURY
www.mercury-crystal.com
MERCURY [ MERCURY UNITED ELECTRONICS INC ]
