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B821
20 MHz. Sweep Function Generator
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  Protek B821 20 MHz.   Sweep Function Generator
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Sweep Function Generator and Frequency Counter
Sine, Square, Triangle, Ramp, Pulse, Skewed Sine and TTL Square Waveforms
0.2Hz to 20MHz Frequency Output (Sine wave)
Built-in 8 digit 3.0GHz Frequency Counter
Internal and External linear Sweep control
Variable Symmetry for generating Sawtooth (Ramp), Skewed Sine and Pulse Waveforms
Variable DC Offset control
Variable Output level control and 20 dB attenuator
 
 

  Specifications.....
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Output Characteristics
Frequency Range Sine wave: 0.2Hz to 20MHz
Square & Triangle wave: 0.2Hz to 10MHz
Range selection in 8 ranges (1,10,100,1K,10K,100K,1M,10M)
Output Level 20 ±1 Vp-p in open circuit
10 ±0.5 Vp-p into 50W Load
Waveforms Sine, Square, Triangle, Ramp, Pulse, Sawtooth, TTL Leveled Square
Attenuator 20dB fixed and continuously variable (20dB)
Impedance 50W ±0.5%
Frequency Accuracy ±5% of full scale
Waveform Characteristics
Sine Wave Flatness: ±3dB to 20MHz
Distortion: Less than 1.5 % at 0.2Hz to 100KHz
Duty error: Less than 10% in 50:50
Square Wave Rise and Fall Time: < 25ns at 10MHz
Triangle Wave Linearity: More than 99% at 0.2Hz to 100KHz
TTL Output Rise and Fall Time: < 25ns at 10MHz
TTL Level: H ³ 2.4V, L £ 0.4V
Symmetry Variation Sine & Square: 80:20 to 20:80 at 0.2Hz to 2MHz
Triangle: 80:20 to 20:80 at 0.2Hz to 1MHz
Sweep Function Characteristics
Mode Linear
Width Variable from 1:1 to 10:1
Rate 0.5Hz to 50Hz (20ms to 2s)
External VCF Input Input Voltage: 0 to 10V
Input Impedance: Approx. 10K
W
Frequency Counter Characteristics
Display 8 digits Green LED, Overflow, Gate time, MHz, KHz, Hz
Frequency Range Input A: 0.1Hz to 100MHz
Input C: 80MHz to 3.0GHz
Accuracy ±Timebase Error ±1 count
Lowpass Filter -3 dB, 100KHz
Timebase 10MHz TCO, 1 ppm
Input Sensitivity Input A (30mVrms): 0.1Hz to 80MHz
Input A (70mVrms): 80MHz to 100MHz
Input C (20mVrms): 80MHz to 2.0GHz
Input C (70mVrms): 2.0GHz to 3.0GHz with RG58 cable
Input C (40mVrms): 2.0GHz to 3.0GHz with RG400 cable
Max. Input Voltage Input A: 35Vp-p
Input C: 3Vrms
General Specifications
Power Requirements 115/230VAC ±10%, 48 to 66Hz
Operating Temperature 0 to 40°C (Accuracy specified at 23°C ±5°C)
32 to 104°F (Accuracy specified at 73°F ±9°F)
Size 3.5" (H) x 9.5" (W) x 11.0" (D)
Weight 6.6 lbs
Supplied Accessories Manual, Line cord, BNC cable

 

 

  Ordering Information.....
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B821    20 MHz. Sweep Function Generator $643.00 *
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Includes.....                 BNC Cable
   (1) Instruction Manual
   (1) Power Cord
* When placing your order,  be sure to ask for your INTERNET DISCOUNT

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