HA5023_06 Datasheet, PDF (5/16 Pages) Intersil Corporation – Dual 125MHz Video Current Feedback Amplifier

Test Circuits and Waveforms
HA5023
+_-
DUT
HP4195
NETWORK
ANALYZER
50Ω
50Ω
FIGURE 1. TEST CIRCUIT FOR TRANSIMPEDANCE MEASUREMENTS
(NOTE 12)
V_IN
100Ω
DUT
+_-
50Ω
V_OUT
R_L
100Ω
R_F, 1kΩ
FIGURE 2. SMALL SIGNAL PULSE RESPONSE CIRCUIT
(NOTE 12)
V_IN
100Ω
DUT
+_-
50Ω
R_I
681Ω
R_F, 681Ω
R_L
400Ω
V_OUT
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 HA5023 is powered up.
Vertical Scale: V_IN = 100mV/Div., V_OUT = 100mV/Div.
Horizontal Scale: 20ns/Div.
FIGURE 4. SMALL SIGNAL RESPONSE
Vertical Scale: V_IN = 1V/Div., V_OUT = 1V/Div.
Horizontal Scale: 50ns/Div.
FIGURE 5. LARGE SIGNAL RESPONSE
5
FN3393.8
June 2, 2006