5

Test Circuits and Waveforms

FIGURE 1. TEST CIRCUIT FOR TRANSIMPEDANCE MEASUREMENTS

FIGURE 2. SMALL SIGNAL PULSE RESPONSE CIRCUIT

FIGURE 3. LARGE SIGNAL PULSE RESPONSE CIRCUIT

NOTE:

12. A series input resistor of

≥100Ω is recommended to limit input currents in case input signals are present before the HA5013 is powered up.

Horizontal Scale: 20ns/Div.

FIGURE 4. SMALL SIGNAL RESPONSE

Horizontal Scale: 50ns/Div.

FIGURE 5. LARGE SIGNAL RESPONSE

+

-

50

Ω

50

Ω

DUT

HP4195

NETWORK

ANALYZER

100

Ω

50

Ω

+

-

DUT

100

Ω

(NOTE 12)

400

Ω

50

Ω

+

-

DUT

681

Ω

100

Ω

(NOTE 12)

HA5013