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FREQUENCY
Frequency Range: 0.005Hz to 5MHz in 7 overlapping decade
ranges with fine adjustment by verniers.
Vernier Range: 1000:1 on each range.
FREQUENCY LOCKING
Operating Range: 0.5Hz to 5MHz with vernier setting within
10% to 100% of range maximum.
Locking Accuracy: Better than 0.01% of displayed value.
DISPLAY
LCD, 8 digits (11mm high) plus 14 annunciators
METER FUNCTIONS (generator mode)
Frequency: Auto-ranging reciprocal measurement giving
4 digit resolution for frequencies down to
1Hz; maximum resolution is 0.001Hz.
Accuracy ±1 digit 0.2Hz to 5MHz; accuracy
±1% of range full scale below 0.2Hz
Amplitude: Display shows peak-to-peak amplitude or rms
value. Display corrected for attenuator
setting. 3-digit resolution, accuracy typically
5% of range
DC Offset: 3-digit resolution; accuracy typically ±2% of
setting ±1 digit. Display corrected for
attenuator setting
OUTPUTS
MAIN - 50 Ohm
Amplitide 2mV to 20V peak-peak open circuit (1mV to
10V peak-peak into 50) in four
switch-selectable ranges with 20dB vernier
control within each range
Attenuator Ranges: 0dB, -20dB, -40dB, -60dB
DC Offset Range: ±10V from 50. DC offset plus signal peak
limited to ±10V (±5V into 50). DC offset
plus waveform attenuated proportionally by
the attenuator.
MAIN - 600 Ohm Alternative output socket offering the same
facilities as the 50 socket.
AUX OUT 0 to 5V TTL/CMOS logic levels capable of
driving 2 standard TTL loads. Frequency,
symmetry and phase as main outputs
SWEEP OUT 3V ramp from 600
EXTERNAL COUNTER
Frequency Range: 5Hz to 20MHz, fully autoranging
Input Sensitivity: 50mV rms (sinewave)
Input Impedance: 1M/25pF
Measurement Time: Selectable 0.5s or 5s
Resolution: 6 digits in 0.5s; 7 digits in 5s
Accuracy: ±1 digit ± timebase accuracy
Timebase Accuracy: ±10ppm initial error; ±5ppm/year ageing rate;
typically less then 0.5ppm/o
C. Adjustment
point for closed-case recalibration
OPER
