DC CHARACTERISTICS
(models 8020 & 8022)
Range: Variable from -15 V to + 15V into open circuit;
-7.5 V to +7.5 V into 50 ohms
Resolution: 3 digits (750 counts max) with exponent
Accuracy: +/-(1% of reading +20 mV) to 7.50 V;
+/-(2% of reading +2 mV) to 750 mV
TRIGGERING CHARACTERISTICS
Source: Manual front panel push button, external TRIG IN or internal trigger generator
Modes:
Normal: Continuous waveform is generated
External Trigger: Each input cycle generates a single output cycle
Internal Trigger: An internal timer repeatedly generates a single output cycle
Gated: External signal enables generator. First output cycle synchronous with active slope of triggering
signal. Last cycle of output waveform always fully completed
External Rate: To 20 MHz
Ext. Trigger Level: TTL
Int. Trigger Period: Continuously adjustable from 10 S to 1000 S
Slope: Positive going leading edge
LOGARITHMIC SWEEP CHARACTERISTICS
Modes: Auto, Manual, Triggered and Gated sweep. Main frequency, when triggered, repeatedly
changes from frequency set by the frequency start to frequency set by the sweep
stop setting. Frequency will sweep up, down, or up-down depending on the rela-
tionship between the sweep start and sweep stop set-ups and the selected sweep
mode
Width: 10 decades maximum
Rate per Decade: continuously adjustable from 10 mS to 1000 S (nominal) per decade
Steps per decade: Depends on sweep time and range. Automatically adjusted by the instrument to get the
maximum steps per sweep time. Maximum steps are 200; minimum steps are 50
Sweep Output: 2 V/decade for decades; 1 V/decade for 5 decades
Marker Output: 0 V with no marker; drops to approx -5 V when marker frequency is reached. Remains -5 V
from the marker frequency to the end of the sweep
Sweep Stop Resolution: Same as frequency resolution
LINEAR SWEEP CHARACTERISTICS
Modes: Same as in logarithmic sweep
Sweep Width: 3 decades maximum
Sweep Time: continuously adjustable from 10 mS to 1000 S (nominal)
Sweep Out: 0 to 10 V +/-5%
Sweep Steps: Depends on sweep time and range. Automatically adjusted by the instrumentto get the
maximum steps per sweep time. Maximum steps are 1000; minimum steps are 16
Table 1-1. Model 8020 Specifications (continued)
General Information Model 8020
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