Input (pad 6) *
Output 1 (pad 8)
Output 2 (pad 9)
Open
1 level V
IH
0 level V
IL
Active
High (1)
Active
Active
Low (0)
Active
Tel: +44 1460 256 100
Fax: +44 1460 256 101
E-mail: sales@golledge.com
Web: www.golledge.com
VCXO - Complementary ECL/PECL VHF Range
GVXO-37
23 Aug 2002
5.00
(max)
1.00
15.24
1
14
6
8
20.60
(max)
14.00
(max)
7
9
3.05
2.54
14
9
1
7
8
6
1.91
15.24
12.45
TOP VIEW
2.54
1.73
1.73
18.50
(max)
PAD
1
6
7
8
9
14
Variant N
Control voltage
Enable / disable
Ground
Output 1
Output 2
Supply (-ve)
Variant P
Control voltage
Enable / disable
Ground
Output 1
Output 2
Supply (+ve)
CONNECTION
Features
Fundamental mode crystal up to 50MHz
Complementary ECL or PECL outputs
Fast rise / fall times
Enable / disable tristate function
Metal SM package with glass epoxy base
Product name + variant + frequency
eg: GVXO-37N 77.76MHz
-5.2V supply
Option code X (eg GVXO-37P/X) denotes a combination of
values not listed above.
Ordering Information
Scale 1:1
Specifications
GVXO-37N: Negative supply
GVXO-37P: Positive supply
Enable / Disable Function
* Frequency stability is inclusive of calibration @ 25C,operating temperature range,supply
voltage change,load change and ageing,with V
CTL
= 2.5V
Standard. Optional - Please specify required code(s) when ordering
Option
Codes
N
P
Variant
Parameters
Available on T&R - 500pcs per reel. Refer to our website for details.
Some combinations of stability/pullability are not available
Frequency range: 12.0 ~ 170MHz
Voltage control (V
CTL
):
+2.5V 2.0V, 10% linearity, +ve slope
Frequency pullability:
100ppm min
Other
specify
Frequency stability*:
50ppm max
Other
specify
Operating temperature range:
-10 to +70C
Storage temperature range:
-40 to +85C
Supply voltage:
-5.2V (5%)
+5.0V (5%)
Supply current:
80mA max
Output:
Complementary ECL
Complementary PECL
Test load:
R
TT
( )
50
50
V
TT
(V)
-2.0
+3.0
Logic levels:
0 level (V max)
-1.60
+3.4
1 level (V min)
-1.02
+3.9
Waveform symmetry:
40:60 max @ 50%V
P-P
Start up time:
10ms max
Rise / fall time:
0.5ns max (20% ~ 80%V
P-P
)
Enable / disable function:
Control via pad 6
Soldering condition:
Reflow, 240C max
* Note: GVXO-37N: 0 level = V
IL
-1.60V,1 level = V
IH
-1.02V
GVXO-37P: 0 level = V
IL
+3.40V,1 level = V
IH
+3.9V
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