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Specifications
Table 3-1. Specifications, Continued
Auxiliary Outputs
Auxiliary Frequency Output:
Frequency Range: 21 MHz to 60.999.999 99 MHz,
underrange coverage to 19.000 000 001 MHz,
frequency selectior from front panel.
Amplitude: 0 dBm; output impedance: 50
Connector: Rear panel BNC
Sync Output:
Squarew/avewith V
high
> 1.2VV
low
£0.2Vinto
50Q. Frequency range Is the same as the main
signal output for front pane sync and DC - 60 MHz
for rear panel sync
Output Impedance: 50Q
Connector: BNC front and rear panels.
X-Axis Drive: (O-IOOs sweeps only)
0 to +10 Vdc linear ramp proportional to sweep
frequency; linearity, 10-90%, ±.1% of final value
(applies for sweep widths which are integer
multiples of the minimum sweep width).
Connector: Rear panel BNC
Sweep Marker Output:
High to low TTL compatible voltage transition at
keyboard selected marker frequency. (Linear
sweep only.)
Connector: Rear panel BNC
Z-Axis Blank Output:
TTL compatible voltage levels capable of sinking
current from a positive source. Current 200 mA,
voltage 45V, power dissipation 1 watt maximum.
1 MHz Reference Output:
0 dBm output for phase-locking additional
instruments to the HP 3325B.
Connector: Rear panel BNC
10 MHz Oven Output:
0 dBm Internal high stability frequency reference
output for phase-locking HP 3325B or other
instruments (option 001 only).
Connector: Rear panel BNC
Auxiliary Inputs
Reference Input:
For phase-locking HP 3325B to an external
frequency reference. Signal from 0 dBm to
+ 20 dBm into 50Q. Reference signal must be a
subharmonic of 10 MHz from 1 MHz to 10 MHz.
Connector: Rear panel BNC. With option 001 this
Input may be jumpered to the 10 MHz reference
output.
Amplitude Modulation Input:
See modulation specifications
Phase Modulation Input:
See modulation specifications.
Remote Control
Frequency Switching Time (to within
1
Hz
exclusive of programming time):
< 10 ms for 100 kHz step; < 25 msec for 1 MHz
step; < 70 msec for 20 MHz step.
Phase Switching Time (to within 90° of phase lock
exclusive of programming time:
<30 ms.
HP-IB Interface Functions:
SHI, AH1, T6, L3, SR1, RLI, PPO, DCI, DTI, CO, E1
RS-232 Interface:
Subset of ANSI/EIA-232-D-1986, CCITT V.24
Type: DTE, 25 pin female "D" connector
Baud Rate: 300-4800
3-9
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