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B821 - Sweep Function Generator 0.2Hz to 20MHz
" 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 20dB attenuator

  • Specification
  • 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 : Less than 25nS at 10MHz
    Triangle Wave Linearity: More than 99 % at 0.2Hz to 100KHz
    TTL Output Rise and Fall Time: Less than 25ns at 10MHz
    TTL Level: H ? 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
    Low pass Filter -3 dB, 100KHz
    Timebase 10MHz TCO, 1 ppm
    Input Sensitivity Input A: 30mVrms(0.1Hz to 80MHz), 70mVrms(80MHz to 100MHz)
    Input C: 20mVrms(80MHz to 2.0GHz), 70mVrms(2.0GHz to 3.0GHz with RG58 cable), 40mVrms(2.0GHz to 3.0GHz with RG400 cable)
    Max. Input Voltage Input A: 35 Vp-p, Input C: 3Vrms
    General Specifications
    Power Requirement 115 or 230 VAC ?10%, 48 to 66 Hz
    Operating Temperature 0 to 40?C (Accuracy specified at 23 ?5?C)
    Size 3.5" H x 9.5" W x 11.0" D
    Weight 6.6 lbs
    Supplied Accessories Manual, Line cord, BNC cable

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