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GTXO-74 Datasheet, PDF (1/2 Pages) Golledge Electronics Ltd – SM (VC)TCXO Low Phase Noise
SM (VC)TCXO Low Phase Noise
7.00
±0.03
5.00
±0.03
5.08
1.40
1
2
1.20
4
3
2.30
±0.20
PAD CONNECTION
1
Not connected or
Freq adjustment
2 Ground
3 Output
4 Supply
4
2.60
1
3
2.00
2.20
2
2.00
1.80 3.28 1.80
TOP VIEW
Features
 Low phase noise
 Clipped sine output, 0.7VP-P
 Miniature SM package
 Sealed crystal design
GTXO-74
Specifications
GTXO-74T: TCXO, no frequency adjustment
GTXO-74V: TCXO with VC frequency adjustment
Parameters
Frequency range: 30.0 ~ 61.44MHz
Frequency stability:
±2.5ppm
±2.0ppm
±1.5ppm
Temperature range:
-20 to +70°C
-30 to +75°C
-40 to +85°C
Variant
T
V














Option
Codes
J
H
G
N
S
I
Storage temperature range:
-40 to +85°C


Supply voltage stability:
±1.0ppm, VDD ±5%


Load stability: ±0.2ppm, ZL ±10%


Ageing: ±1.0ppm max first year


Supply voltage (VDD): +3.0V ±5%


Supply current:
5.0mA max


Output waveform:
Clipped sine, 0.7V p-p, +DC offset


Test load (ZL):
Start up time:
10kΩ // 10pF


3ms max


Frequency adjustment:
None

±8 ~ ±14ppm, +1.5V ±1.0V

Phase noise (typ @ 61.44MHz):
-86dBc/Hz @ 10Hz


-118dBc/Hz @ 100Hz


-144dBc/Hz @ 1kHz


-157dBc/Hz @ 10kHz


Preset frequency @ 25°C:
±2.0ppm max


 Standard.  Optional - Please specify required code(s) when ordering
Ordering Information
Product name + variant + option codes + frequency
Option codes must be included to properly specify a model.
eg: GTXO-74V/JS 38.40MHz ±2.5ppm -30+85°C, TCXO with VC
GTXO-74T/HN 50.0MHz ±2.0ppm -20+75°C, TCXO no VC
Option code X (eg GTXO-74V/X) denotes a custom spec.
Tel: +44 1460 256 100
11 Dec 2015
Fax: +44 1460 256 101
E-mail: sales@golledge.com
Web: www.golledge.com