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8500

Part # 8500
Description DC ELECTRONIC LOAD PROGRAM 300W
Category FAN
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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

Product Data Sheet
760 Series P/Ns 8473 & 8500
Features
12.800 MHz output frequency
Stability: Stratum 3
Temperature Ranges: to -40ºC to +85ºC
Aging: <4.0 ppm for 20 years
Package:
1.0 x 1.0 x 0.52 (25.4x25.4x13.2mm)
Output: HCMOS
Supply Voltage: +3.3 volts
For use with Semtech Chip ACS8510 SETS
SONET/SDH Network Timing Sources
Computer Telephony CT-BUS
The 8473 & 8500 have been optimized to work with
the Semtech Chip ACS8510 SETS
to meet the
requirements of Bell Core specification GR-1244-
CORE.
The 8473 & 8500 have been designed to meet the
Holdover requirements for a Stratum 3 Clock source as
called out in GR-1244-CORE, per Table 3-1 as
described in Sections 5.2 and 9.1 when used with
ACS8510 SETS
.
Note:
Other stability and output options are available.
technical information about additional Vectron OCXOs
and Crystal Oscillators can be found on our web site at:
www.stratum3.com
Oven Controlled Crystal Oscillators
Part Number:
8473 (Stratum 3)
Frequency:
Stability vs Temperature:
vs Drift (24 hours):
Stability vs Supply:
±280 ppb
±40 ppb
Initial Accuracy @ +25ºC:
±1.5 ppm
Power Draw:
<5W peak at turn on, <1.25W stabilized @ +25ºC
Supply Voltage:
+3.3 Vdc ±5%
Output:
HCMOS
Symmetry (at 50% Vdd):
60/40 to 40/60, maximum
Rise/Fall Time (10-90%):
<10 nanoseconds
Short Term (Allan Variance):
1x10
-11
/ second
Thermal Shock:
-55ºC to +85ºC per MIL-STD-202 Method 107 Condition A
Seal:
MIL-STD-202, Method 112, Condition D
Phase Noise:
(TYPICAL)
Offset
Phase Noise
100 Hz -130 dBc/Hz
1k Hz -145 dBc/Hz
10k Hz -150 dBc/Hz
100k Hz -150 dBc/Hz
Shock:
30G, 11 ms per MIL-STD-202, Method 213, Condition J
Vibration - Sine:
MIL-STD-202, Method 204, Condition A except 5G to 500 Hz
Size:
1.00" x 1.00" x 0.52" (25.40mm x 25.40mm x 13.20mm )
±2 ppb per % change in Voltage
Aging:
<4 ppm
for 20 years
Operating Temp Range:
-40ºC to +85ºC
12.800 MHz
Storage Temperature:
-55
o
C to +85
o
C
8500 (Stratum 3)
±280 ppb
±40 ppb
<4 ppm
for 20 years
C to +70ºC
12.800 MHz
Vectron International 267 Lowell Road, Hudson, NH 03051 Tel: 1-88-VECTRON-1 Fax: 1-888-FAX-VECTRON
4
3
(1.01)
12.1
(.480)
STANDOFFS
(4 PLACES)
0.25
(.010)
13.20
(.52)
2.8
(.11)
.8
(.031)
Dia
5 Places
mm
(in.)
(.720)
19.05
.254
(.750 .010)
max.
25.7
(1.01)
.65
(.025)
.254
(.750 .010)
25.4
(1.00)
20.32
(.800)
2.54
(.100)
13.97
(.550)
6.35
(.250)
2.54
(.100)
3.048 SQ
(.120 SQ )
19.05
(0.75)
9.525
(0.375)
19.05
(0.75)
10.795
(.425)
OUT (Both Series)
GND (760 Series)
Supply (760 Series)
Supply (Z5 Series)
GND (Z5 Series)
GND (Z5 Series)
N/C (Both Series)
N/C (760 Series)
Vectron International 267 Lowell Road, Hudson, NH 03051 Tel: 1-88-VECTRON-1 Fax: 1-888-FAX-VECTRON
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