AD603

Rev. G | Page 8 of 20

FREQUENCY (Hz)

100M

100k

1M

10M

100

102

98

96

94

Figure 16. Input Impedance vs. Frequency (Gain = +30 dB)

1V

200ns

1V

10

0%

100

90

Figure 17. Gain Control Channel Response Time

451ns

–49ns

50ns

4.5V

500mV

–500mV

INPUT GND

1V/DIV

OUTPUT GND

500mV/DIV

Figure 18. Input Stage Overload Recovery Time

(Input is 500 ns Period, 50% Duty Cycle Square Wave, Output is Captured

Using Tektronix 11402 Digitizing Oscilloscope)

451ns

–49ns

50ns

3V

1V

–2V

INPUT GND

100MV/DIV

OUTPUT GND

1V/DIV

Figure 19. Output Stage Overload Recovery Time

(Input Is 500 ns Period, 50% Duty Cycle Square Wave, Output is Captured

Using Tektronix 11402 Digitizing Oscilloscope)

GND

GND

456ns

–44ns

50ns

3.5V

500mV

–1.5V

INPUT

500mV/DIV

OUTPUT

500mV/DIV

Figure 20. Transient Response, G = 0 dB

(Input is 500 ns Period, 50% Duty Cycle Square Wave, Output is Captured

Using Tektronix 11402 Digitizing Oscilloscope)

456ns

–44ns

50ns

3.5V

500mV

–1.5V

INPUT GND

100mV/DIV

OUTPUT GND

500mV/DIV

Figure 21. Transient Response, G = +20 dB

(Input is 500 ns Period, 50% Duty Cycle Square Wave, Output is Captured

Using Tektronix 11402 Digitizing Oscilloscope)