Legend

+25 ºC

+71 ºC - - - - - - -54 ºC

RF AMPLIFIER

MODEL

QB-300-01

Available as:

QB-300-01, Outline Drawing with BNC

Connectors (080-22518)

Specifications

Maximum Ratings

Ambient Operating Temperature ................. -54ºC to +71 ºC

Storage Temperature ................................. -62ºC to +125 ºC

Case Temperature .................................................. +125 ºC

DC Voltage .......................................................... +24 Volts

Continuous RF Input Power .................................. +13 dBm

Short Term RF Input Power ...... 50 Milliwatts (1 Minute Max.)

Maximum Peak Power .................... 0.5 Watt (3

µsec Max.)

CHARACTERISTIC

TYPICAL

MIN/MAX

Ta= 25 ºC

Ta = -54 ºC to +71 ºC

Frequency

1 - 300 MHz

1 - 300 MHz

Power

Vdc

+20

mA

154

Noise Figure (dB)

3.8

VSWR

In

1.5:1

Out

1.5:1

Reverse Isolation (dB)

-36

Gain (dB)

24.5

Gain Flatness

1.0

Output Intercept point

3rd Order

+37

2nd Order

+52

Gain vs. Temperature

+0.5/ -0.6 Max.

1 dB Compression (dBm)

+22

± 1.0

Typical Performance Data

Note: Specifications are guaranteed when tested in a 50 Ohm system.

Specifications indicated as typical are not guaranteed.

Rev.

1/20/09

Features

!

!

!

!

! High Gain: 24.5 dB Typical

!

!

!

!

! High Power: +22 dBm Typical

!

!

!

!

! Operating Temp. -54 ºC to +71 ºC

!

!

!

!

! Environmental Screening Available

Linear S-Parameters Data

FREQ.

– – S11– –

– – S21– –

– – S12– –

– – S22– –

MHz

Ang

dB

Ang

dB

Ang

dB

Ang

dB

1

60

90

120

180

210

240

270

300

-24.6

-24.8

-25.0

-24.8

-22.5

-21.2

-19.9

-18.6

-17.1

31.5

-2.0

0.6

4.6

5.1

2.2

-2.0

-7.0

-15.6

24.1

24.2

24.2

24.1

24.1

24.2

21.2

24.3

24.3

11.5

-57.2

-85.5

-113.8

-171.4

159.5

129.8

99.2

67.9

-51.0

-49.3

-47.4

-46.4

-43.2

-43.1

-42.6

-41.0

-40.5

170.0

177.9

142.9

147.7

105.0

72.5

57.5

40.0

15.0

-19.2

-29.6

-29.4

-28.6

-25.4

-23.0

-20.4

-17.8

-15.3

89.9

-48.6

-70.8

-93.7

-144.6

-168.9

171.8

155.1

138.1

==================================================================

22

26

25

23

Gain (dB)

Reverse Isolation (dB)

1 dB Comp. (dBm)

Input/Output VSWR +25 ºC

3rd order intermodulation distortion (dBm)

24

27

-70

-20

-40

-60

-50

-30

-10

1

10

100

MHz

19

23

21

20

22

1.4

1.2

1.1

1.3

1.5

39

37

35

36

41

38

5.0

0.0

2.0

1.0

Noise Figure (dB)

1.0

Input

Output

4.0

40

24

3.0

1

10

100

MHz

1

10

100

MHz

1

10

100

MHz

1

10

100

MHz

1.6

1

100

1000

MHz

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