Wavetek 193 Instruction Manual page 10

1.2.6 General
Stability
Amplitude, frequency anddc offset at FUNCoutput after
2 hour warmup: ± 0.05% for 10 minutes. ± 0.25% for
24 hours.
Environmental
Specifications apply at 25°C
±
5°C. Operates O°C to
+50°C.
Dimensions
28.6 cm (1114 in.) wide; 13.3 cm (514 in.) high; 28.6
cm (1114 in.) deep.
FM
Two setup and one operate mode.
Set-Freq/Aux-Gen-Off: Disables auxiliary generator
for main generator adjustment.
Set dF: Allows vernier setup of peak deviation. Ver-
nier range is up to ± 10% of main generator range.
FM: Operate mode.
Sweep
Two setup and one operate mode.
Set Start: Allows setup of main generator start fre-
quency.
Set Width: Allows vernier setup of main generator
stop frequency.
Sweep: Operate mode.
AM
Two setup and one operate mode for double sideband
or suppressed carrier operation.
Set Carrier: Allows setup of carrier amplitude.
Set dM: Allows the setup of the modulation level.
AM: Operate mode. 0 to 100 % AM or suppressed
carrier modulation of main generator by auxiliary
generator plus external signal if present at AM IN.
Aux Out Only: Disconnects the modulator for indepen-
dent operation of auxiliary generator.
1.2.5 Modes of Operation
Internal auxiliary generator used as the modulation
source.
Auxiliary Sync Output
Rear panel BNC. TIL level pulse coincident with AUX
GEN output. Duty cycle varies with symmetry control.
AUX VCG Input
Rear Panel BNC. Up to 33:1 frequency change with
external ± 5V signal. Upper frequency limited to max-
imum of selected range. 11 kQ input impedance.
1-2
1.2.4 Auxiliary Generator
Waveforms
Selectable "v, "v , 1..J ,./1 and
rL .
Symmetry of ./1
and
rL
adjustable 1:19 thru 19:1*.
Frequency Range
0.1Hz to 100 kHz in 4 ranges.*
Auxiliary Output
Waveforms selectable and variable to 10 Vp-p (5V p-p
into 6000).
Time Symmetry
Square wave variation from 0.1 to 2 on dial less than:
± 1% to 200 kHz. ± 10% to 20 MHz.
Triangle Linearity
>
99% for 0.002 Hz to 200 kHz.
1.2.3 Waveform Characteristics
Sine Distortion
<0.5% on X 100, X 1K and X 10K. < 1.0% on X 0.1 to
X 100.
All harmonics 30 dB below fundamental on
X
100K
X 1M range, and 25 dB below fundamental on X 10M
range.
Square Wave
Rise/Fall Time: < 15 ns (10% to 90%).
Total Aberrations: 5 % of full amplitude for each
waveform peak.
1.2.2 Amplitude Precision
Sine Frequency Response
< ± 0.2 dB all ranges thru X 100K.
< ± 0.5 dB on X 1M range.
< ± 1.5 dB on X 10M range.
Step Attenuator Accuracy
± 0.3 dB with 10, 20 and 40 dB.
±
0.6 dB with 30, 50 and 60 dB.
± 0.9 dB with 70 dB setting.
Frequency Precision
Dial Accuracy
± 3% of full scale from X .1 Hz to X 1 MHz range.
± 5% of full scale on X 10M range.
Max Rep Rate
1 MHz
10 MHz
Trigger Level Adj: - 5V to + 5V.
Impedance: 1.5kQ shunted by 1.5 pF.
Pulse Width: 25 ns minimum.
Repetition Rate:
Input
±1V
±2.5V