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Aim-TTi TG330 3MHz Function Generator with Sweep & Frequency Counter

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The Aim-TTi TG330 3MHz Function Generator is a state-of-the-art waveform generator with an external 7-digit 120MHz frequency counter, internal sweep generator with linear and log sweep, variable sweep rate, sweep output socket, and internal and external amplitude modulation.

Like its sister product, the Aim-TTI TG315, the Aim-TTi TG330 3MHz Function Generator also includes an external sweep input, variable symmetry, variable DC offset, and basic generator functions such as Sine, Square and Triangle. It also features a dual digital display for viewing amplitude and frequency simultaneously.

The Aim-TTi TG330 3MHz Function Generator can generate a variety of waveshapes over a 0.03Hz to 3MHz frequency range.  Additionally, it can provide a wide range of controlled amplitudes from a low-impedance source, and maintains a constant amplitude as the frequency is changed.

Furthermore, voltage control of frequency enables a source of swept frequency to be generated. This means the Aim-TTi TG330 3MHz Function Generator can be used for frequency response testing.

Wide Range Level Control

The Aim-TTi TG330 3MHz Function Generator includes the following outputs and components capable of generating a wide range of levels.

Main Output

The Aim-TTi TG330 3MHz Function Generator’s main output provides a maximum emf of 20V peak-to-peak from a 50Ω or 600Ω source.

Amplitude Vernier

The Amplitude Vernier has a range of 20dB. When combined with two switched attenuators (-20dB and -40dB), it produces levels as low as 2mV peak-to-peak.

Variable DC Offset

A ±10V variable DC offset is accessible via the centre detent control.

Auxiliary Output

The auxiliary output provides a fixed level between 0V and +5V. These levels can be used to drive TTL and CMOS loads.

Exceptional Waveform Quality

The Aim-TTi TG330 3MHz Function Generator can provide low sinewave distortion, low aberration triangle waves, and fast-edged square waves with low overshoot. It maintains good waveform quality throughout the frequency range and at low-level outputs.

Variable Symmetry for Pulse and Ramp Waveforms

The Aim-TTi TG330 3MHz Function Generator offers bi-directional variable symmetry between 1:9 and 9:1. The Aim-TTi TG330 3MHz Function Generator’s frequency is independent of its symmetry setting.

Wide Sweep Range

The Aim-TTi TG330 3MHz Function Generator’s ranges can be swept manually or via the external sweep input. They can be swept by at least 1000:1.

Advanced Internal Sweep

The Aim-TTi TG330 3MHz Function Generator also includes a versatile internal sweep generator that provides linear and logarithmic frequency sweeps. It supports sweep ranges over 1000:1.

Via the digital display, the user can set precise start and stop frequencies. Furthermore, he/she can alter the sweep rate which is adjustable over a wide range with good set-ability between 20ms and 20s.

In addition to this, the Aim-TTi TG330 3MHz Function Generator is equipped with a sweep output socket for the connection of an oscilloscope or X-Y recorder. The Aim-TTi TG330 3MHz Function Generator’s sweep ramp is triangular which provides superior display when using an oscilloscope to view swept frequencies.

Amplitude Modulation

For added versatility, the Aim-TTi TG330 3MHz Function Generator supports internal (via a 400Hz internal generator) and external amplitude modulation (AM). Modulation levels are fully variable between 0% and 100%.

Dual Digital Display

The user can view frequency and amplitude readings simultaneously via the dual-section digital display.

Amplitude Display

The Aim-TTi TG330 3MHz Function Generator’s output level display can be set to show any of the following parameters:

  • Peak-to-peak amplitude
  • RMS amplitude
  • DC offset

Accurate RMS Values for Each Waveform Shape

To ensure the true amplitude is displayed regardless of the attenuator setting, the Aim-TTi TG330 3MHz Function Generator will automatically change the decimal point and units.

Using a display indicator, the Aim-TTi TG330 3MHz Function Generator will warn the operator of illegal offset and amplitude settings that would create clipping in the output stage.

Fast and Accurate Frequency Measurements

The Aim-TTi TG330 3MHz Function Generator’s auto-ranging reciprocal measurement provides four-digit frequency readings with an accuracy of ±1ppm and a rapid update. The auto-ranging reciprocal measurement mode can be used to determine frequencies at levels as low as Hz.

However, when measuring sub-Hz frequencies, the Aim-TTi TG330 3MHz Function Generator will alter the measurement mode to provide readings with a three-digit resolution. This maintains the rapid update rate, although the accuracy is reduced.

Despite this, the Aim-TTi TG330 3MHz Function Generator is able to offer greater accuracy and quicker display across its entire frequency range compared to that of fixed gate-time meters.

External 7-Digit 120MHz Frequency Counter

When set to the External Counter mode, the Aim-TTi TG330 3MHz Function Generator's entire display is utilised to provide readings with a seven-digit resolution.

The external frequency counter has a frequency range of 5Hz to 120MHz, an input sensitivity that is better than 50mV RMS, and an accuracy that is better than 10ppm (0.001%). Additionally, the user can select a measurement period of 0.5 or 5 seconds.

The external frequency counter also features an external adjustment point for closed-case calibration.

Suitable for Bench and Rack-Mounted Applications

The Aim-TTi TG330 3MHz Function Generator is housed in a 2U-high, heavy-duty, ABS case with an integrated tilt stand. It can be mounted using an optional RM50 rack mount kit.

The Aim-TTi TG330 3MHz Function Generator is a versatile, accurate and cost-effective analogue waveform generator with sweep functions and an external 7-digit 120MHz frequency counter.

Aim-TTi TG330 3MHz Function Generator with Sweep & Frequency Counter Key Features

  • State-of-the-art waveform generator with sweep functions and an external 7-digit 120MHz frequency counter
  • Internal sweep generator with linear and log sweep
  • Variable sweep rate
  • Sweep output socket
  • Internal and external amplitude
  • External sweep input
  • Variable symmetry
  • Variable DC offset
  • Basic generator functions: Sine, Square and Triangle
  • Dual digital display for viewing amplitude and frequency simultaneously
  • Voltage control of frequency enables a source of swept frequency to be generated
  • Suitable for frequency response testing
  • Main output: provides a maximum emf of 20V peak-to-peak from a 50Ω or 600Ω source
  • Amplitude Vernier with 20dB range, combined with two switched attenuators (-20dB and -40dB), produces levels as low as 2mV peak-to-peak
  • ±10V variable DC offset accessible via the centre detent control
  • Auxiliary output: provides a fixed level between 0V and +5V to drive TTL and CMOS loads
  • Provides low sinewave distortion, low aberration triangle waves, and fast-edged square waves with low overshoot
  • Maintains good waveform quality throughout the frequency range and at low-level outputs
  • Bi-directional variable symmetry between 1:9 and 9:1
  • The frequency is independent of the symmetry setting
  • Sweep ranges manually or via the external sweep input
  • Ranges can be swept by at least 1000:1
  • Versatile internal sweep generator that provides logarithmic and linear frequency sweeps
  • Adjustable sweep rate with good set-ability between 20ms and 20s
  • Set precise start and stop sweep values via the display
  • Sweep output socket for the connection of an oscilloscope or X-Y recorder
  • The sweep ramp is triangular for good display when using an oscilloscope to view swept frequencies
  • Supports internal (via a 400Hz internal generator) and external amplitude modulation
  • Fully variable amplitude modulation levels: 0-100%
  • Output level display can be set to show peak-to-peak amplitude, RMS amplitude and DC offset
  • Automatically changes the decimal point and units to ensure the true amplitude is displayed regardless of the attenuator setting
  • Display indicator will warn of illegal offset and amplitude settings
  • Auto-ranging reciprocal measurement provides four-digit frequency readings down to Hz levels
  • Fast update rate
  • Accuracy: ±1ppm
  • Sub-Hz frequencies are displayed to a three-digit resolution
  • Offers greater accuracy and quicker display across the entire frequency range compared to fixed gate-time meters
  • External frequency counter has a 7-digit resolution
  • External frequency counter range: 5Hz to 120MHz
  • External frequency counter input sensitivity: better than 50mV
  • External frequency counter accuracy: 10ppm (0.001%)
  • User-selectable measurement period for external frequency counter: 0.5 or 5 seconds
  • External adjustment point for closed case calibration (external frequency counter)
  • 2U-high, heavy-duty, ABS case with integrated tilt stand
  • Compatible with OPTIONAL RM50 rack mount kit
  • Versatile, accurate and cost-effective waveform generator with sweep functions and an external 7-digit 120MHz frequency counter

What’s Included?

  • Aim-TTi TG330 3MHz Function Generator with Sweep & Frequency Counter
Part Code

Aim-TTi TG330 3MHz Function Generator Technical Specifications 

Frequency
Frequency Range 0.03Hz to 3MHz in 7 overlapping decade
ranges with fine adjustment by a vernier.
Vernier Range 1000:1 on each range.
Operating Modes 
Notes  Specifications apply for the top decade of each frequency range and maximum output into 50Ω termination.
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.
DC Offset 3-digit resolution; accuracy typically ±2% of setting ±1 digit. Display corrected for attenuator setting. Clipping indicator on display.
Outputs 
Main - 50Ω 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 - 600Ω 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 600Ω
External Counter 
Frequency Ranges 5Hz to 25MHz and 20MHz to 120MHz, fully auto ranging to a 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/°C. 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
Amplitude Modulation 
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 40k.
General 
Casing  Moulded 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.

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