TK15408 查看數據表（PDF） - Toko America Inc
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TK15408 Datasheet PDF : 8 Pages
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TEST CIRCUIT
TK15408
SAG_A
TP1
75 Ω
+
4.7 µF
TP4
+
4.7 µF
75 Ω
INPUT_A
INPUT_B
SAG_B
33 µF
OUTPUT_A
33 µF
VCC
+
33 µF
GND
33 µF
+
OUTPUT B
+
33 µF
TP2 75 Ω TP3
VCC
75 Ω
5.0 V
TP5 75 Ω
TP6
75 Ω
MEASUREMENT METHOD
1. Supply Current (ICC)
The Pin 7 current is measured with no input signal.
2. Clamp Voltage (VCMP)
The DC voltage at Pin 2 (Pin 3) is measured with no input signal.
3. Voltage Gain (GVA)
The voltage gain equation is as follows:
GVA = 20 log10 V2/V1
Where V1 is the input voltage at TP1 (TP4) and V2 is the measured voltage at TP2 (TP5).
4. Differential Gain (DG)
The differential gain is measured at TP3 (TP6) when a staircase waveform of 10 steps is applied to TP1 (TP4).
5. Differential Phase (DP)
The differential phase is measured at TP3 (TP6) when a staircase waveform of 10 steps is applied to TP1 (TP4).
6. Frequency Response (fr)
The frequency response equation is as follows:
fr = 20 log V2/V1
10
Where V1 is the measured TP3 (TP6) voltage when the TP1 (TP4) input frequency is set to 1 MHz and V2 is the measured
TP3 (TP6) voltage when the TP1 (TP4) input frequency is set to 5 MHz.
December 1999 TOKO, Inc.
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