Protek Test and Measurement Equipment B821 - 20MHz Sweep Function Generator  

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  • Sweep Function Generator and Frequency Counter
  • Sweep Function Generator and Frequency Counter
  • 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

MSRP: $643  Our Price $547

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. 10KW
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

Mid-Atlantic Training is an authorized distributor of Protek products. 
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Mid-Atlantic Training - 800-776-8093  - 143 William St, South River NJ 08882