Part Number Format and Example:
Example: 3GF576A-100N-155.520
Explanation: +3.3V GF576 series VCXO, 155.520 MHz, frequency stability is ±25 ppm over 0°C to +70°C,
frequency deviation range is ±100 ppm minimum.
": customer to specify
"
"
"
"
"
3
GF576
A
—
100
N
—
155.520
n
o
p
q
r
s
n: Voltage code: “3” for +3.3 V; o: GF576 product series
p: Frequency stability code: “A” ~ “F” or
custom. See table above. q: Frequency deviation range in ppm; r: Deviation range code: “N” is minimum;
“M” for maximum; “T” for typical (±20%); s: VCXO Frequency in MHz
GF576 Test Circuit
Phase Noise:
Typical value.
Frequency counter
Oscilloscope
A
6
5
4
3
+
GF576
M E C
V
+
1
-
1.0
uF
2
-
Vcc
15 pF
+
-
V control
Package Dimensions and suggested Pad Layout:
unit: mm [inches]
For proper power line filtering, a 0.01 uF ceramic decoupling capacitor is required between the VDD and ground.
For better performance, add a 0.1 uF tantalum capacitor in parallel with the 0,01 uF.
2.54[0.100]
[0.275±0.006]
7.00±0.15
5
[0.055]
1.4
0.6[0.024]
6
4
3
GF576
4
3
5
2
6
1
M E C
2
1
5.08 [0.200]
typical
bottom view
1.5[0.059]
Control Voltage
Tri-State
Output
Pad 1
Pad 2
Pad 4
Pad 5
No Connection
Pad 3 Ground
Pad 6 Supply Voltage
5.08 [0.200]
Rounded pad is pad No. 1. Count counter-clockwise when looking at top view.
Count clockwise when looking at bottom view.
MERCURY
Page 3 of 3
Date: Nov. 1, 2006
Rev. 0
MERCURY [ MERCURY UNITED ELECTRONICS INC ]
