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The B+K Precision Model 4017A Sweep/Function Generator is a versatile signal source which combines several functions into one unit - waveform generation, pulse generation (through variable symmetry), and frequency sweep. Additionally, the instrument provides the added convenience of a built-in frequency counter. This permits more accurate determination of output frequency than is possible with a simple calibrated dial. Coarse and fine tuning controls permit precision settability of the output frequency.
With this versatility, the unit has a vast number of applications in both analog and digital electronics in the engineering, manufacturing, servicing, educational, and hobbyist fields.
The heart of the function generator is a VCG (voltagecontrolled generator) that produces precision sine, square, or triangle waves over the 0.1Hz to 10MHz range. This encompasses subaudible, audio, ultrasonic, and RF applications. A continuously variable dc offset allows the output to be injected directly into circuits at the correct bias level.
The sweep generator offers linear or log sweep with variable sweep rate and adjustable sweep time.
Variable symmetry of the output waveform converts the instrument to a pulse generator capable of generating rectangular waves or pulses, ramp or sawtooth waves, and slewed sine waves.
In addition to the above features, an external voltage may be used to control operating frequency. This is useful in situations where an externally controlled frequency is desirable.
Features
Frequency Characteristics | |
Waveforms | Sine, Square, Triangle, ±Pulse, ±Ramp |
Range | 0.1 Hz to 10 MHz in 8 ranges |
Resolution | 5 digits |
Tuning Range | 10:1 |
Fine | ±5% of coarse setting |
Variable Duty Cycle | 15:85:15 cont variable |
Operating Modes | Normal, sweep, VCG |
Output Characteristics | |
Impedance | 50 ± 10% |
Level | 20 V p-p Open circuit, 10V p-p into 50 |
Amplitude | Variable, 20 dB range typical |
Attenuation | -20 dB ± 1 dB |
DC Offset | Preset ± 0.1 V type Variable: ± 10V open-circuit ±5 into 50 |
SINE Wave | |
Distortion | ≤3% typical at 1 kHz |
Flatness | ±5% ±(.45 dB) 0.1 Hz to MHz ±20% ±(2.0 dB) 10 MHz to 20 MHz (4040A) |
Square wave | |
Symmetry | 0.1 Hz to 100 kHz < 2% |
Rise time | ≤ 20 ns |
Triangle Wave | |
Linearity | ≥ 98% to 100 kHz |
TTL Output | |
Level | 0.8V to 2.4V |
Rise time | ≤ 20 nS |
Duty Cycle | 50% typical |
CMOS Output | |
Max. Frequency | 2 MHz |
Level | 4V to 14V ±0.5 p-p cont. variable |
Rise Time | ≤ 120 nS |
VCG (Voltage controlled generator) | |
Input Voltage | 0-10V ± 1V causes a 100:1 frequency change |
Impedance | 10k ±5% |
Mode | LIN/LOG |
Width | 100:1 continuously variable |
Rate | 0.5s to 30s cont variable |
Sweep Output | 0 to 10V |
Start/Stop Frequencies | NA |
Frequency Counter | |
Accuracy | Time base accuracy ± 1 count |
Time Base Accuracy | ± 10 ppm (23 ° ±5 °C) |
Display | 5 digit LED |
Mode | NA |
External Input | |
Frequency | Does not apply |
Resolution | 0.1, 1, 10, 100, 1 kHz |
Sensitivity | 25Vrms |
General | |
Power Source | 120/230 VAC ±10% 50/60 Hz, internal jumper selectable |
Dimensions | 4.5x11.75x10.575" (114x298x264mm) |
Weight | 4 lbs. (1.8 kg) |
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