Wavetek 164 Instruction Manual page 9

Trigger Input
Trigger pulse is 1 V p-p to +50 V; input impedance is 10 kQ,
33 pF; minimum pulse width is 25 ns; maximum repetition
rate is 20 MHz.
Start/Stop Point Adjustment
Triggered-signal start/stop point is adjustable:
To 3MHz Approximately —90° to +90°
3 MHz to 30 MHz Approximately —90° to 0°
1.2.10 Horizontal Precision
Dial Accuracy for Symmetrical Waveforms*
0.0003 Hz to 300 kHz . +(1% of setting +1% of full scale)
300 kHz to 3O MHz . +(3% of setting +2% of full scale)
Frequency Vernier
Electronic frequency vernier precision frequency adjustment
is approximately 196 of range.
Time Symmetry*
0.0003 Hz to 30Hz .
30 Hz to 300 kHz
+1.0%
+0.5%
1.2.11 Vertical Precision
Amplitude Change with Frequency (Sine)
Less than:
0.1 dB to 300 kHz
0.2 dB to 3 MHz
2.5 dB to 30 MHz
Step Attenuator Accuracy
+0.25 dB per 10 dB step.
Stability*
Short term . +0.05% for 10 minutes
LND. . 4 « 10.25% for 24 hours
Percentages apply to amplitude, frequency, and dc offset.
Amplitude Symmetry
All symmetrical waveforms are symmetrical about ground
within +1% of amplitude range up to 3 MHz (e.g. within
+100 mV with output attenuator at O dB).
1.2.12 Purity*
Sine Wave Distortion
10 Hz to 100 kHz Less than 0.5% (typically 0.25%)
0.0003 Hz to 3 MHz
3 MHz to 30 MHz
cbe Less than 1.096
All harmonics at least 26 dB down
Triangle Linearity
0.0003 Hz to 300 kHz . Greater than 9996
Square Wave Rise and Fall Time
Less than 12 ns (typically 8 ns) when terminated into 509
load.
Square Wave Total Aberrations
Less than 5%.
Trapezoidal Rise and Fall Time
Ratio of period to rise or fall time is continuously variable
from 2:1 (triangle) to greater than 100:1 and limited to
12 ns (maximum) rise and fall time.
1.2.13 Environmental
Temperature
All specifications listed are for 25°C +5°C. For operation
from 0°C to 55°C, specifications including horizontal pre-
cision, amplitude symmetry, and sine wave distortion are
derated by a factor of 2.
1.2.14 Mechanical
Dimensions
14% in./36.8 cm wide; 5% in./13.3 cm high; 13% in./34.3 cm
deep.
Weight
13 Ib/5.9 kg net; 20 Ib/9 kg shipping.
Power
90 to 110 V, 105 to 125 V, 180 to 220 V or 210 to 250 V;
50 to 400 Hz; less than 50 watts.
NOTE
Specifications apply from 10 to 100% of a
selected frequency range.
*SYMMETRY control OFF.
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