Fairchild 2N4123 manual NPN General Purpose Amplifier Test Circuits

Page 6

NPN General Purpose Amplifier

(continued)

Test Circuits

 

3.0 V

300 ns

275Ω Ω

10.6 V

 

Duty Cycle == 2%

 

10 K

0

C1 << 4.0 pF

- 0.5 V

<< 1.0 ns

FIGURE 1: Delay and Rise Time Equivalent Test Circuit

 

 

3.0 V

10 << t1 << 500∝ ∝ s

t1

 

 

10.9 V

275Ω Ω

 

 

Duty Cycle == 2%

 

 

0

 

10 KΩ Ω

C1 << 4.0 pF

- 9.1 V

1N916

 

<< 1.0 ns

FIGURE 2: Storage and Fall Time Equivalent Test Circuit

2N4123

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Contents Symbol Characteristic Max Units Thermal CharacteristicsSymbol Parameter Absolute Maximum RatingsNPN General Purpose Amplifier Electrical Characteristics Symbol Parameter Test Conditions Min Max UnitsTypical Characteristics NPN General Purpose AmplifierNoise Figure vs Source Resistance NPN General Purpose Amplifier Typical CharacteristicsNoise Figure vs Frequency Turn-On Time vs Collector CurrentStorage Time vs Collector Current Current Gain Output AdmittanceVoltage Feedback Ratio Delay and Rise Time Equivalent Test Circuit NPN General Purpose Amplifier Test CircuitsCrossvolt