Custom TCXO
Specifications
GTXO-420
GTXO-420H: Standard drive HCMOS / TTL output
PHOTO NOT AVAILABLE
GTXO-420T: High drive HCMOS / TTL output
Variant
H
1.0 ~ 120MHz
1.0 ~ 50MHz
HCMOS / TTL
T
Option
Codes
Parameters
Frequency range:
21.00
(max)
21.00
(max)
Output waveform:
12.00
(max)
5.00
(min)
POTENTIOMETER TRIMMING (OPTION P)
4
5
4
3
VARIABLE RESISTOR TRIMMING (OPTION R)
1
5
4
10k
3
PIN CONNECTION
PIN
1
2
3
4
5
OPTIONS N & I
Supply
Output
Ground
Not connected
Not connected
OPTION V
Supply
Output
Ground
Not connected
OPTION P
Supply
Output
Ground
OPTION R
Supply
Output
Ground
10k
Driving ability:
15pF HCMOS / 2 TTL (<50.0MHz)
50pF HCMOS / 10 TTL (<50.0MHz)
50pF HCMOS / 10 TTL (>50.0MHz)
Logic levels:
‘0’ = +0.5V max, ‘1’ = +4.5V min
‘0’ = +0.4V max, ‘1’ = +2.4V min
Rise / fall time:
10ns max
0.80Ø
15.24
3
7.62
2
7.62
Waveform symmetry:
40:60 max @ 2.5V
40:60 max @ 1.4V
Frequency stability:
±3.0ppm
±2.5ppm
±2.0ppm
±1.5ppm
±1.0ppm
±0.5ppm
0 to +50°C
-10 to +60°C
-20 to +70°C
-30 to +85°C
K
J
H
G
F
E
R
C
N
W
BOTTOM VIEW
Temperature range:
Freq adjustment Freq adjustment Variable resistor
Ref voltage out Not connected
Scale 1:1
Storage temperature range:
-40 to +85°C
Frequency vs supply voltage:
±0.1ppm / V max
Ageing:
±1.0ppm max per year
specify
Features
➠
➠
➠
Wide frequency range
Industry standard pin-out
Custom options available
Supply voltage (V
DD
):
+5.0V (±5%)
+5.0V ~ 13V (±5%)
Supply current:
20mA max (<20.0MHz)
30mA max (20.0~50.0MHz)
50mA max (>50.0MHz)
Frequency adjustment:
None
±3ppm min by internal trimmer
±5ppm, 2.5V ±2.5V
±5ppm by external potentiometer
±5ppm by variable resistor
Standard.
Optional - Please specify required code(s) when ordering
Frequency Stability
The table shows option codes for the available combinations of
frequency stability (in ppm) and temperature range. Some
combinations may not be available at certain frequencies.
±3.0
-30 to +85°C
-20 to +70°C
-10 to +60°C
0 to +50°C
KW
KN
KC
KR
±2.5
JW
JN
JC
JR
±2.0
HW
HN
HC
HR
±1.5
-
GN
GC
GR
±1.0
-
FN
FC
FR
±0.5
-
-
EC
ER
N
I
V
P
R
Ordering Information
Product name + variant + option codes + frequency
eg:
GTXO-420H/JCN 44.7360MHz
±2.5ppm -10+60°C
GTXO-420T/FRI 19.440MHz
±1.0ppm 0+50°C
Option code X (eg GTXO-420H/X) denotes a custom spec.
Tel:
+44 1460 256 100
15 Jun 2001
Fax:
+44 1460 256 101
E-mail:
sales@golledge.com
Web:
www.golledge.com
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