UNITRODE CORPORATION

7 CONTINENTAL BLVD.

• MERRIMACK, NH 03054

TEL. (603) 424-2410

FAX (603) 424-3460

These products contain patented circuitry and are sold under license from Pioneer Magnetics, Inc.

UC1854A/B

UC2854A/B

UC3854A/B

log f

-60

-40

-20

0

20

40

60

0

80

-45

Phase

Degrees

100

-90

120

10kHz

1MHz

10MHz

100kHz

Gain

Phase

5.992 496 516 MHz

Current Amplifier Frequency Response

Ω

Frequency

kHz

10

100

1000

1

10

100

100pF

200pF

5nF

10nF

3nF

500pF

2nF

1nF

Frequency

kHz

Phase

Margin

degrees

Open-Loop

Gain

dB

-20

0

20

40

60

80

100

120

0.1

1

10

100

1000

10000

Voltage Amplifier Gain and Phase vs Frequency

6