SPECIFICATIONS

（apply to both independently programmable output channels）

Number of channels

2 fully independent output channels

Frequency

Range:

0.100 000 0 to 309.999 999 9 MHz

Resolution:

0.1 Hz

Accuracy:

same as frequency standard

Control:

remote by TTL-level parallel entry BCD or GPIB（optional）

Switching Time

（to within 0.1 radian at new frequency）

100 MHz-10 MHz digits:

20 μseconds

1 MHz digit:

5 μseconds

100 KHz-0.1 Hz digits:

1 μsecond transient, 2 μsecond delay

Phase-Continuous

100 KHz through 0.1 Hz digits

Switching Range

（~1 MHz bandwidth）

Output

Level:

+3 to +13 dBm （1V max, 50 W ）

Flatness:

± 0.5 dB

Impedance:

50 W 

Control:

preset ａnd remote by analog voltage

Spurious

（at full power output, +13 dBm）

Outputs

Discrete:

-70 dBc

Harmonics:

-30 dBc at full output （-40 dBc at lower levels）

Phase Noise:

-63 dBc （0.5 Hz to 15 KHz） including effects of internal standard

￡ （1Hz）:

100 Hz/ -105 dBc, 1 KHz/ -115 dBc, 10 KHz/ -123dBc, 100 KHz/ -127 dBc

Noise Floor:

- 135 dBc/Hz

Frequency

Internal:

OCXO

or

TCXO

Standard

3x10^-9/day

1x10^-8/day

± 1x10^-8/0-50° C

± 1x10^-6/0-50° C

1x10^-6/year

2x10^-6/year

External:

10.000 MHz, 0.4-2.0 Vrms into 300 W ;

5.000 MHz, 0.5-2.0 Vrms into 300 W 

Aux. Output:

10.000 MHz, 0.4 Vrms into 50 W
（Note: internal or external standard required for operation）

General

Operating Ambient:

0 - 50° C, 95% R.H

Power:

110 - 125V, 50 - 400 Hz, 75W （100, 220, 240V optional）

Dimensions:

19 x 5.25 x 17.5 inches （relay rack or bench cabinet）

Weight:

40 lbs.

Optional Phase Rotation:

0-360° in 0.225° steps