This DDS function generator is designed for use in such applications as communication equipment and electronic components production. Overview This DDS function generator provides a sampling rate of 100 Msa/s, a vertical resolution of 8 bit and a waveform length of 1 kpts. Its output waveforms include 32 built-in waveforms and 8 sets of user defined waveforms. Modulations include FM, FSK, PSK and ASK. It can store 40 set up settings. Features Uses Direct Digital Synthesis (DDS) technology Arbitrary waveform function RS232 interface,optional 200 MHz frequency counter and power amplifier Frequency sweep, burst, CHA & CHB ADD functions, TTL output 3.5-inch TFT LCD display Stable output waveforms down to 1 mv (50 Ω) www.gaotek.com Page 1 of 5
Technical Specifications Model A0230008A A0230008B A0230008C A0230008D Frequency Range 40 mhz to 5 MHz 40 mhz to 10 MHz 40 mhz to 15 MHz 40 mhz to 20 MHz Waveform (CHA) Waveform Types Waveform Length Vertical Resolution Sampling Rate 32 pre-stored waveforms and 8 user defined arbitrary waveforms including: Sine, Square, Triangle, Ramp, Pulse etc. 1024 points 8 bits 100 MSa/s Sine Harmonic Distortion 40 dbc (<1 MHz ) 35 dbc (1 MHz to 20 MHz) Sine Wave Total Distortion Square Wave Frequency (CHA) Frequency Range Resolution Accuracy Stability Amplitude (CHA) Amplitude Range 1% (20 Hz to 200 khz) Rise/fall edge time: 35 ns Overshoot: 10% Duty cycle: 1% to 99% Sine wave: 40mHz to Max. frequency Other waveforms: 40 mhz to 1 MHz 40 mhz ±(5 10-5 + 40 mhz) ±5 10-6 /3 hours 2 mv pp to 20 V pp, 40 mhz to 10 MHz (high impedance) 2 mv pp to 15 V pp, 10 MHz to 15 MHz (high impedance) 2 mv pp to 8 V pp, 15 MHz to 20 MHz (high impedance) Resolution 20 mv pp (amplitude>2 V pp ), 2 mvpp (amplitude<2 V pp ) Accuracy Stability Flatness Output Impedance DC Offset (CHA) Offset Range ± (1% + 2 mv rms ) (high impedance, RMS, frequency 1 khz) ±0.5% / 3 hours ±5% (frequency of 10 MHz or below ), ±10% (frequency above 10 MHz) 50 Ω ±10 V (high impedance, attenuation 0 db) www.gaotek.com Page 2 of 5
Resolution 20 mv dc Accuracy ±(1% + 20 mv dc ) Sweep (CHA) Linear Sweep on Frequency or Amplitude Sweep Range Sweep Step Sweep Rate Sweep Direction Manual Sweep Frequency Modulation(FM) (CHA) Carrier Signal Modulation Signal Free to set starting point and end point Higher than any value of the resolution 10 ms to 60 ms/step Up, Down, Up-Down Step/time CHA waveforms Modulation Deviation 0% to 20% Burst Carrier Signal Trigger Signal Burst Counts Burst Mode Shift keying (CHA) FSK ASK Internal signal of CHB or External signal CHA signal TTL_A signal 1 to 65000 cycles Internal TTL, External, Single Free to set carrier waveform frequency and hopping frequency Free to set carrier waveform amplitude and hopping amplitude PSK Hopping phase: 0 to 360, Max. resolution: 1 Alternative Rate CHB Output Characteristics Waveform Frequency 10 ms to 60 s 32 pre-stored waveforms and 8 users defined arbitrary waveforms including: Sine, Square, Triangle, Ramp, Pulse etc. Length: 1024 points Sampling range : 12.5 Msa/s Amplitude resolution : 8 bits Square wave duty cycle : 1% to 99% Range: Sine wave: 10 mhz to 1 MHz; Other waveforms: 10 mhz~100 khz Resolution: 10 mhz Accuracy: ±(1 10-5 + 10 mhz) www.gaotek.com Page 3 of 5
Amplitude Burst TTL Output Waveform Characteristics Frequency Characteristics Amplitude Characteristics Optional Parts Frequency Counter Range: 50 mv pp to 20 V pp (high impedance) Resolution: 20 mv pp Output impedance : 50 Ω Carrier signal: CHB signal Trigger signal: TTL_B signal Burst count : 1 to 65000 cycles Burst mode : Internal TTL, External, Single Square wave, rise/fall time 20 ns 40 mhz to 1 MHz TTL and CMOS compatible, low<0.3 V, high>4 V Testing frequency range: 1 Hz to 200 MHz Input signal amplitude: 100 mv pp to 20 V pp Power Amplifier Max. output power: 7 W (8 Ω), 1 W (50 Ω) Max. output voltage: 22 V pp Frequency bandwidth: 1 Hz to 200 khz Common Characteristics Operation Characteristics Display Key operation for all functions, menu display, rotary dial adjustment Display: TFT, English Power Requirements Power Requirements: AC220 V (1 ± 10%) / AC110V (1 ± 10%) Frequency: 50 Hz/60 Hz (1 ± 5%) Power Consumption: <45 VA Environmental Condition Temperature: 0 C to 40 C Humidity: <80% Standard Accessories Dimension Weight Power cord 1, Operation manual 1, software CD 1, RS232 cable 1, BNC-BNC cable 1, test lead 1 415 mm 295 mm 195 mm 3.5 kg www.gaotek.com Page 4 of 5
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