Performance Speci cations
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Frequency Stabilities1
Parameter Min Typ Max Units Condition
vs. Stratum
3 per
GR-1244-
CORE
Operating Temp
Holdover
Drift
MTIE
-140
-140
-140
-370
-4.63
+140
+140
+140
+370
+4.63
+1
ppb
ppb
ppb
ppb
10-13/sec
ppm
-20… +70°C
-40… +85°C (10 to 50 MHz)
-55… +85°C (10 to 20.49 MHz)
24 hours
Over 7100 seconds
0.16sec < Observe Times < 64 sec
Warm-up Time 1
2
minutes
minutes
to ± 1ppm of nal frequency (1 hour)
to ± 100ppb of nal frequency (1 hour)
Initial Tolerance (10 to 19.9 MHz)
Initial Tolerance (20 to 80 MHz)
vs. supply voltage change (10 to 50 MHz)
vs. supply voltage change (50 to 80 MHz)
vs. load change (10 to 80 MHz)
-1.0
-1.5
-2.5
-5.0
-15
+1.0
+1.5
+2.5
+5.0
+15
ppb
ppb
ppb
ppb
ppb
for xed frequency
for xed frequency
VS ± 5%
VS ± 5%
Load ± 5%
vs. aging / day (10 to 14.9 MHz)
vs. aging / day (15 to 19.9 MHz)
vs. aging / day (20 to 49.9 MHz)
vs. aging / day (50 to 80.0 MHz)
vs. aging / 1 year (10 to 14.9 MHz)
vs. aging / 1 year (15 to 19.9 MHz)
vs. aging / 1 year (20 to 80 MHz)
vs. aging / 10 year (10 to 14.9 MHz)
vs. aging / 10 year (15 to 19.9 MHz)
vs. aging / 10 year (20 to 80 MHz)
-1.0
-2.0
-3.0
-4.0
-200
-300
-500
-1000
-2000
-3000
+1.0
+2.0
+3.0
+4.0
+200
+300
+500
+1000
+2000
+3000
ppb
ppb
ppb
ppb
ppb
ppb
ppb
ppb
ppb
ppb
after 30 days of operation
after 30 days of operation
after 30 days of operation
after 30 days of operation
after 30 days of operation
after 30 days of operation
after 30 days of operation
after 30 days of operation
after 30 days of operation
after 30 days of operation
Supply Voltage (Vs)
Supply voltage (Standard) 4.75 5.0 5.25 VDC
Supply voltage (Option) 3.135 3.3 3.465 VDC
Power Consumption
1.5 Watts during warm-up
0.35 Watts steady state @ +25°C (10 to 29.99 MHz)
0.45 Watts steady state @ +25°C (30 to 80 MHz)
0.7 Watts steady state @ -40°C (10 to 29.99 MHz)
0.8 Watts steady state @ -40°C (30 to 80 MHz)
RF Output
Signal [Standard] HCMOS
Load 15 pF
Signal Level (Vol) 0.4 VDC
Signal Level (Voh) 0.8 VDC
Rise/Fall Time +5 ns (10-80%)
Duty cycle 40 60 % (Voh-Vol)/2
Signal [Option] Sinewave
Load 50 ohm
Output Power [Standard] 0 +4 dBm 50 Ohm load
Output Power [Option] +3 +7 dBm 50 Ohm load