PTS D310 FREQUENCY SYNTHESIZER
• two fully independent channels, each covering
0.1-310 MHz
• + 3 to + 13 dBm output
• low phase noise
• fast switching, 3 - 20μs
• fully programmable, BCD or GPIB
• DDS standard with phase-continuous switching
• low power consumption, high reliability

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 digit: 20 μseconds
1 MHz digit: 5 μseconds
100 KHz - 0.1 Hz digit: 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 Ω)
Flatness: ±0.5 dB
Impedance: 50 Ω
Control: preset and remote by analog voltage
Spurious (at full power output, +13 dBm)
Outputs Discrete: -70 dBc
Harmonics: -30 dBc at full power output,(-40 dBc at lower level)
Phase Noise: -63 dBc (0.5 Hz to 15 KHz) including effects of
internal standard
L (1Hz): 100 Hz/-105 dBc, 1 KHz/ -115 dBc, 10 KHz/ -123 dBc,
100 KHz/ -127 dBc
Noise Floor: -135 dBc/Hz
Frequency Internal: OCXO or TCXO
Standard 3 x 10-9/day 1 x 10-8/day
±1 x 10-8/0 - 50ºC ±1 x 10-6/0 - 50ºC
1 x 10-6/year 2 x 10-6/year
External: 10 MHz, 0.4-2.0 Vrms into 300 Ω;
5 MHz, 0.5-2.0 Vrms into 300 Ω
Aux. Output: 10.000 MHz, 0.4 Vrms into 50 Ω
(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 18 inches (relay rack or bench cabinet)
Weight: 40 lbs
Optional Phase
Rotation: 0 - 360° in .225° steps