The 462A Wideband Amplifier is used primarily where rise time is important. The rise and fall times are less than 4 manoseconds. Model 461A and 462A are nearly identical.
Keysight 462A Specs
| Pulse Response |
| Leading Edge and Trailing Edge |
| Rise Time: Less than 4 nanoseconds |
| Overshoot: Less than 5% |
| Pulse Overload Recovery |
Less than 1 μs for 10 times overload |
| Pulse Duration for 10% Droop |
30 μs |
| Equivalent Input Noise Level |
Less than 40 uV in 40 dB position when loaded with 50 ohms |
| Input Impedance |
Nominal 50 ohms |
| Maximum Input |
1 Volt rms or 2 volts p-p pulse* |
| Maximum de Input |
+/-2 Volts |
| Gain |
20 or 40 dB selected by front panel switch (inverting) |
| Maximum Output |
1 volt peak to peak into 50 ohms resistive load |
| Delay |
12-14 nanoseconds |
*For the protection of the input circuitry