HP 3336A Operating Manual page 90

Model 3336A/B/C
Performance Tests
@ Table 4-1. Specifications (Cont'd)
AUXILIARY OUTPUTS
AUX 0 dBm:
Frequency range is from 21 MHz to 60.999 999 999 MHz (underrange to 20.000 000 001 MHz). Amplitude is
O dBm (50 ohm).
SYNC OUT:
Square wave with Vhigh = 1.2 V, Viow = 0.2 V into 50 ohms, to synchronize other instruments to the Main Signal
Outputs. Level transition occurs at Main Signal Output zero crossing.
REF OUT:
O dBm (50 ohm), 1 MHz signal for phase-locking additional instruments to the Model 3336.
10 MHz OVEN OUT:
Instruments with Option 004, only. 0 dBm (50 ohm), 10 MHz signal from a temperature stabilized, crystal oscillator
for phase-locking the Model 3336 or other instruments.
X DRIVE:
best fit straight line.
Oto > + 10 Vdc linear ramp proportional to the sweep frequency. Linearity, + 1% of final value, 10% to 90%,
2 BLANK:
= 200 mA
Maximum Voltage = + 45 Vdc
Sweep related TTL compatible voltage levels. Low level is capable of sinking current from a positive voltage source.
Maximum Current
Maximum Power Dissipation
= 1WI(VxA)
MARKER:
TTL compatible high to low level transition at the programmed Marker Frequency.
AUXILIARY INPUTS
@ EXT REF IN:
For phase-locking the 3336A/B/C to an external frequency reference. Signal from O dBm to + 20 dBm (50 ohm).
Signal frequency must be within 1 x 10~—© of a sub-harmonic of 10 MHz from 1 MHz to 10 MHz.
AMPTD MOD:
Amplitude modulation input (see AMPLITUDE MODULATION specifications)
PHASE MOD:
Phase modulation input (see PHASE MODULATION specifications)
EXTERNAL LEVELING:
Input from an External Leveling voltage source to regulate the signal amplitude at a remote point. Input
Sensitivity: 1 dB/Volt, +.25 dB
OPTION 004, HIGH STABILITY FREQUENCY REFERENCE
Aging Rate:
+ 5 x 10-8 per week after 72 hours continuous operation.
+ 1x 10-7 per month after 15 days continuous operation.
Ambient Stability:
+ 5x 10-8 maximum, 0° to 55°C
Warm-Up Time:
Reference frequency will be within 1 x 10-7 of the turn-off frequency, 20 minutes after turn-on, for an off time less
than 24 hours.
OPTION 005, HIGH ACCURACY ATTENUATOR
Attenuation
10 to 19.99 dB
20 to 39.99 dB
40 to 79.99 dB
4-5