2

(Measured in 50

Ω system @ +15 VDC nominal unless otherwise noted)

Symbol

Unit

T

C

= –55 to +85

°C

10-500

10.0

±0.5

5.5

+16.0

2.0:1

2.0:1

—

—

—

—

MHz

dB

dB

dB

dBm

—

—

dBm

dBm

dBm

mA

T

C

= 0 to 50

°C

Guaranteed Specifications

Typical

T

C

= 25

°C

10-500

10.5

±0.3

4.5

+19.0

<1.3:1

<1.5:1

+32.0

+45.0

+48.0

60

10-500

10.0

±0.5

5.0

+17.0

2.0:1

2.0:1

—

—

—

—

Characteristic

Frequency Range

Small Signal Gain (Min.)

Gain Flatness (Max.)

Noise Figure (Max.)

Power Output @ +1 dB Comp. (Min.)

Input VSWR (Max.)

Output VSWR (Max.)

Two Tone 3rd Order Intercept Point

Two Tone 2nd Order Intercept Point

One Tone 2nd Harmonic Intercept Point

DC Current

BW

GP

—

NF

—

—

Notes: 1. Both RF input and RF output pins are at DC ground – no blocking capacitor.

2. The UTO-545 is conditionally stable below 300 kHz. Stable operation is assured if the source and

load impedances have a 2.0:1 or better VSWR from 100 kHz to 300 kHz.

Key: +25

+85

-55

12.0

100

Gain

Frequency, MHz

200

11.5

11.0

300

4.0

Frequency, MHz

3.5

3.0

2.5

Noise Figure

400

500

100

200

300

400

0

10.5

500

2.0

10.0

21.0

Power Output

Frequency, MHz

0

20.5

20.0

2.0

Input VSWR

Frequency, MHz

1.75

1.5

1.0

Output VSWR

Frequency, MHz

38

Third-Order Intercept Point

Frequency, MHz

36

60

Second-Order Intercept Point

Frequency, MHz

55

55

Second-Harmonic Intercept Point

Frequency, MHz

50

45

40

100

200

2.0

1.75

1.5

1.25

100

200

300

1.0

100

200

400

300

50

1.25

300

400

400

100

200

300

400

100

200

500

300

19.5

34

45

32

500

500

500

400

500

0

100

200

300

400

500

30

40

0

0

19.0

45