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Protek B821 Sweep Function Generator and Frequency Counter, 0.2Hz to 20MHz
Frequency Output, Built-in 8 digit 3.0GHz Frequency Counter, Internal and
External linear Sweep control, Built-in 8 digit 3.0GHz Frequency Counter,
Attenuator 20dB fixed and continuously variable-20dB, Impedance 50W ±0.5%,
Frequency Accuracy ±5% of full scale; Variable Symmetry for generating Sawtooth (Ramp),
Skewed Sine and Pulse Waveforms; Variable DC Offset control; Variable Output
level control and 20 dB attenuator.
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General Information |
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Manufacturer |
Protek |
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Manufacturer Part Number |
B821 |
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Product Line |
Test Equipment |
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Product Name |
B821 Sweep Function Generator and Frequency Counter, |
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Features |
- 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
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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
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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
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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
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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
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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
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A-20060802-1261-109-E
M-20070110-1261-138-E
*This item is BRAND NEW - not refurbished. It comes with all manufacturer supplied accessories, and full manufacturer's USA warranty.
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