Output

Output frequency

10 MHz sine wave

Amplitude

0.5 Vrms, ±10 %

Phase noise (SSB)

<-130 dBc/Hz (10 Hz)
<-140 dBc/Hz (100 Hz)

Spurious

<-130 dBc (100 kHz BW)

Harmonic distortion

<-25 dBc

Return loss

>25 dB @ 10 MHz

Accuracy at shipment

±5 × 10-11

Aging (after 30 days)

<5 ×10-11 (monthly), <5 × 10-10 (yearly)

Short term stability
    (Allan variance)

<2 × 10-11 (1 s)
<1 × 10-11 (10 s)
<2 × 10-12 (100 s)

Holdover

72 hour Stratum 1 level

Frequency retrace

±5 × 10-11 (72 hrs. off then 72 hrs. on)

Settability

<5 × 10-12

Trim range

±2 × 10-9 (0 to 5 VDC)
±1 ppm (via RS-232)

Warm-up time

<6 minutes (time to lock)
<7 minutes (time to 1 × 10-9)

Voltage sensitivity

<2 × 10-11 (1 VDC supply change)

Electrical

Input voltage

+24 VDC (nom.), +22 VDC (min.), +30 VDC (max.)

Current

2.2 A (warm-up), 0.6 A (steady-state) at 25°C (Note 1)

Protection

±30 VDC to any pin except rf out

RF protection

100 mA (stable w/ any termination)

Cal reference out

5.00 ± 0.05 VDC

RS-232

9600 baud, 8 bits, no parity, 1 stop bit, 0 to 5 V levels with X-on/X-off protocol

1 pps measurement

±10 ns (accuracy), ±1 ns (resolution)

1 pps output set

±10 ns (accuracy), ±1 ns (resolution)

Environmental

Operating temperature

-20 °C to +65 °C baseplate

Temperature stability

±1 × 10-10 (-20 °C to +65 °C baseplate)

Storage temperature

-55 °C to +85 °C

Magnetic field

<2 × 10-10 for 1 Gauss field reversal

Relative humidity

95 % (non-condensing)

Miscellaneous

Design life2

20 yrs.

Size

3.0" × 2.0" × 4.0" (WHL)

Weight

1.32 lbs.

Baseplate threads

4-40 (4 places)

Connector

Mates with ITT/Cannon DAM11W1S series

Warranty

Two years parts and labor on defects in materials and workmanship