Legend

+ 25 ºC

+ 50 ºC - - - - - - 0 ºC

RF AMPLIFIER

MODEL

QB-101

Available as: QB-101, Housing (E52-19044)

Specifications

Maximum Ratings

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

Storage Temperature .............................. -65 ºC to + 125 ºC

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

DC Voltage ......................................................... + 25 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.)

Features

!

!

!

!

! High Gain: 21.9 dB Typical

!

!

!

!

! High Power: +31 dBm Typical

!

!

!

!

! Operating Temp. 0 ºC to +50 ºC

!

!

!

!

! Environmental Screening Available

CHARACTERISTIC

TYPICAL

MIN/MAX

Ta= 25 ºC

Ta =0 ºC to +50 ºC

Frequency

2 - 70 MHz

2 - 70 MHz

Power

Vdc

+24

+24

mA

420

420 Max.

Noise Figure (dB)

4.0

4.5 Max.

VSWR

In

1.5:1

1.5:1 Max.

Out

1.5:1

1.5:1 Max.

Reverse Isolation (dB)

31

31

Min.

Gain (dB)

Gain Flatness

0.5

0.8

Max.

Output Intercept point

3rd Order

+54

+54 Min.

2nd Order

+115

+105 Min.

Gain vs. Temperature

+0.2/ -0.5 Max.

1 dB Compression (dBm)

+31

+31 Min.

Typical Performance Data

Rev.

11/14/08

Note:

1. Specifications are guaranteed when tested in a 50 Ohm system. Specifica-

tions indicated as typical are not guaranteed.

Linear S-Parameters Data

FREQ.

– – S11– –

– – S21– –

– – S12– –

– – S22– –

MHz

Ang

dB

Ang

dB

Ang

dB

Ang

dB

2

5

7

8

10

30

40

60

70

-17.8

-17.3

-17.3

-17.3

-17.3

-17.5

-17.3

-16.0

-15.2

7.2

-3.3

-9.6

-12.1

-15.6

-60.3

-81.0

-130.6

-153.8

22.1

22.1

22.1

22.1

22.1

22.2

22.2

22.4

22.5

-178.6

174.1

170.4

168.7

165.4

134.4

118.9

87.1

71.1

-31.3

-31.2

-31.1

-31.2

-31.2

-31.4

-31.6

-32.0

-32.2

-174.3

177.2

174.0

172.1

169.8

145.0

133.5

111.4

100.6

-25.9

-25.5

-25.4

-25.3

-25.2

-23.3

-21.6

-17.1

-15.0

-2.3

-7.7

-13.1

-15.8

-21.4

-74.7

-99.7

-143.5

-163.6

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

19

23

22

20

Gain (dB)

Reverse Isolation (dB)

1 dB Comp. (dBm)

Input/Output VSWR +25 ºC

3rd order intermodulation distortion (dBm)

21

24

-60

-10

-30

-50

-40

-20

0

1

10

100

MHz

31

35

33

32

34

1.8

1.4

1.2

1.6

2.0

60

56

52

54

64

58

4.5

2.0

3.0

2.5

Noise Figure (dB)

1.0

Input

Output

4.0

62

36

3.5

1

10

100

MHz

1

10

100

MHz

1

10

100

MHz

1

10

100

MHz

2.2

1

100

1000

MHz

Spectrum Microwave · 2144 Franklin Drive N.E. · Palm Bay, Florida 32905 · PH (888) 553-7531 · Fax (888) 553-7532

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