Specifications
Clock outputs
Output frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 MHz
BNC connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Output level . . . . . . . . . . . . . . . . . . . . . . . . . . . . sine wave, 0.5±0.1 Vrms/50 Ω
Master clock input (EXT IN)
Input frequency
1pps mode . . . . . . . . . . . . . . . . . . . 1pps signal (GPS precision or better)
10MHz mode . . . . . . . . . . . . . . . . . . . . . 10 MHz (GPS precision or better)
BNC connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Input levels
1pps signal . . . . . . . . . . . . . . . . . . . . . . . . . Positive pulse: TTL level/10 kΩ
10MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Sine wave: 0.5–1.0 Vrms/50 Ω
Rubidium oscillator
Clock stabilization time . . . . . . . . . . . . . . . . . . . . . . . . . . . . .about 10 minutes
(time until oscillator stabilizes after unit turned on)
Frequency stability . . . . . . . . . . . . . . . . .Within ±0.1 ppb (−20°C to +65°C)
Frequency precision . . . . . . . . . . Within ±0.05 ppb (when shipped new)
Square wave: 1.5–5.0 Vpp/50 Ω
(ppb = 10
)
−9
General
Power supply
Model for Europe/Hong Kong/Korea. . . . . . .AC 220–240 V, 50/60 Hz
Model for USA/Canada/Taiwan . . . . . . . . . . . . . . . AC 110–120 V, 60 Hz
Power consumption . . . . . . . . . . . . . . . . . . . . . . . . 74 W (while warming up)
Dimensions (W × H × D) (including protrusions)
445 × 132 × 448 mm (17 5/8" × 5 1/4" × 17 3/4")
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 kg (50 3/4 lb)
Operating temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5°C to +35°C
Included accessories
Power cord × 1
Felt pads × 4
Owner's manual (this document) × 1
Warranty card × 1
o Design and specifications are subject to change without notice.
o Weight and dimensions are approximate.
o Illustrations in this manual might differ slightly from production
models.
23 W (when stable)
13