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0
−20
40
20
60
80
100
120
100 1000 10 k 100 k 1 M 10 M
VOLTAGE AMPLIFIER GAIN
vs
FREQUENCY
GAIN
PHASE
f − Frequency − Hz
Gain − dB
0
−20
40
20
60
80
100
120
Phase − °
10 k
−60
100 k
−40
0
20
60
80
100
120
1 M 10 M
−20
40
140
CURRENT AMPLIFIER GAIN
vs
FREQUENCY
GAIN
f
CO
= 5.992 MHz
f − Frequency − Hz
Gain − dB
PHASE
−90
−45
−0
Phase − °
OSCILLATOR FREQUENCY
vs
LIMIT SET RESISTANCE AND
TIMING CAPACITANCE
R
SET
− Multiplier Limit Set Resistance − kΩ
f
OSC
− Oscillator Frequency − kHz
1
0
10 100
10
100
1 k
10 nF
5 nF
2 nF
3 nF
1 nF
500 pF
200 pF
100 pF
UC1854A
UC2854A, UC2854B
UC3854A, UC3854B
SLUS329E – MONTH 2003 – REVISED JANUARY 2008
TYPICAL CHARACTERISTICS (continued)
Figure 5. Figure 6.
Figure 7.
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Product Folder Link(s): UC1854A UC2854A, UC2854B UC3854A, UC3854B