FREQUENCY |
Frequency Range |
0.03Hz to 3MHz in 7 overlapping decade ranges with fine adjustment by a vernier |
Vernier Range1000 |
1 on each range |
OPERATING MODES |
SINE |
Distortion |
<0.5% on 300, 3k and 30k ranges; <1% on 3, 30 and 300k ranges; all harmonics >25dB below fundamental on 3M range |
Amplitude Flatness |
±0.2dB to 200kHz; ±2dB to 3MHz |
TRIANGLE |
Linearity |
Better than 99% to 200kHz |
SQUARE WAVE |
Rise/Fall Times |
<100ns |
Mark - Space Ratio |
1:1 ± 1% to 100kHz |
DC |
Range |
±10V unterminated |
SYMMETRY |
Symmetry Range |
Variable typically 1:9 to 9:1 (on top decade of each range), frequency divided by 10 |
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 for 0.2Hz to 3MHz. Below 0.2Hz accuracy is ±1% of range full scale (symmetry off) |
Amplitude |
Display shows peak-to-peak amplitude or rms value. Display corrected for attenuator setting. 3-digit resolution, accuracy typically 5% of range. Clipping indicator on display" |
OUTPUTS |
MAIN - 50 Ohm |
Amplitide |
2mV to 20V peak-peak open circuit (1mV to 10V peak-peak into 50 Ohms) in four switch-selectable ranges with 20dB vernier control within each range |
Attenuator Ranges |
0dB, -20dB, -40dB, -60dB |
DC Offset Range |
±10V from 50Ohms. DC offset plus signal peak limited to ±10V (±5V into 50Ohms). DC offset plus waveform attenuated proportionally by the attenuator |
MAIN - 600 Ohm |
Alternative output socket offering the same facilities as the 50 Ohms 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 600Ohms (TG330 only) |
EXTERNAL COUNTER (TG320 and TG330 only) |
Frequency Ranges |
5Hz to 25MHz and 20MHz to 120MHz, fully autoranging to maximum resolution |
Input Sensitivity |
50mV rms (sinewave) |
Input Impedance |
1MΩ/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/oC. Adjustment point for closed-case recalibration |
SWEEP MODES |
EXTERNAL |
Input Impedance |
10kΩ |
Input Sensitivity |
0 to 3V for 1000:1 sweep |
Max. Input Voltage |
±10V |
Sweep Linearity |
Better than 1% |
Max. Slew Rate |
0.1V/us |
INTERNAL (TG330 only) |
Sweep Range |
1000:1 within each range. |
Sweep Rate |
Adjustable, typically 20ms to 20 secs. |
Sweep Mode |
Linear or logarithmic. Sweep start and stop frequencies displayed at the press of a button. |
Sweep Output |
3V ramp from 600Ω. |
AMPLITUDE MODULATION (TG330 only) |
Depth |
Variable 0 to 100% typical. |
Frequency |
400Hz (internal). DC to 20kHz (external). |
External Sensitivity |
Approximately 2V peak-to-peak for 50% modulation. Input impedance 40kΩ |
GENERAL |
CASINGMoulded ABS case with tilt stand |
POWER REQUIREMENTS |
Input Voltage |
220 to 240 volts AC nominal 50/60Hz or 110 to 120 volts AC nominal 50/60Hz by rear panel adjustment. Installation category II. |
Power Consumption |
25VA max |
TEMPERATURE & ENVIRONMENTAL |
"Operating Temp.Range |
+5°C to +40°C, 20% to 80% RH.Storage |
Temp.Range |
-10°C to +65°C" |
Environmental |
Indoor use at altitudes up to 2000m. Pollution degree 2 |
SIZE |
260(W) x 88(H) x 235(D)mm (10.2 x 3.4 x 9.2"), excluding handle and feet |
WEIGHT |
1.9kg (4.2lb) |
SAFETY |
Complies with EN61010-1 |
EMC |
Complies with EN61326 |