Legend

+ 25 ºC

RF AMPLIFIER

MODEL

QBH-8911

Available as: QBH-8911, Hybrid SM (E52-19422)

Specifications

Maximum Ratings

Ambient Operating Temperature .............. -55 ºC to +125 ºC

Storage Temperature .............................. -65 ºC to + 150 ºC

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

DC Voltage ......................................................... + 18 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: 10.0 dB Typical

!

!

!

!

! High Power: +25 dBm Typical

!

!

!

!

! Operating Temp. - 40 ºC to +70 ºC

!

!

!

!

! Environmental Screening Available

CHARACTERISTIC

TYPICAL

MIN/MAX

Ta= 25 ºC

Ta = -40 ºC to +70 ºC

Frequency

50 - 2000 MHz

50 - 2000 MHz

Power

Vdc

+12

+12

mA

220

240 Max.

Noise Figure (dB)

4.5

7.5 Max.

VSWR

In

1.7:1

2.1:1 Max.

Out

1.5:1

2.0:1 Max.

Reverse Isolation (dB)

-20

-19 Min.

Gain (dB)

10.0 Min.

Gain Flatness

1.0

1.8 Max.

Output Intercept point

3rd Order

+40

+35 Min.

2nd Order

+48

+43 Min.

Gain vs. Temperature

+0.8/ -0.8 Max.

1 dB Compression (dBm)

+25

+24

Min.

Typical Performance Data

03/11/05

Note:

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

tions indicated as typical are not guaranteed.

2. Noise Figures increase below 500 NHz

Linear S-Parameters Data

FREQ.

– – S11– –

– – S21– –

– – S12– –

– – S22– –

MHz

Ang

dB

Ang

dB

Ang

dB

Ang

dB

50

100

230

500

800

1100

1400

1700

2000

-18.9

-18.3

-16.7

-13.6

-11.3

-9.9

-9.5

-12.7

-15.2

-138.3

-154.7

-166.7

169.9

137.5

102.2

63.0

13.4

-175.4

10.0

10.4

10.6

10.6

10.6

10.7

10.8

10.9

10.3

-175.8

169.7

142.7

92.7

38.7

-16.6

-74.2

-136.4

152.3

-21.3

-21.8

-22.1

-22.3

-22.2

-22.0

-21.7

-21.2

-21.5

-10.9

-17.1

-33.0

-67.9

-107.8

-148.7

167.8

119.0

60.4

-19.7

-17.4

-16.5

-16.5

-17.1

-17.4

-16.0

-15.2

-21.0

-131.8

-159.8

173.7

143.1

121.1

110.8

93.8

57.2

-26.5

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

8

12

11

9

Gain (dB)

Reverse Isolation (dB)

1 dB Comp. (dBm)

Input/Output VSWR +25 ºC

3rd order intermodulation distortion (dBm)

10

13

-70

-20

-40

-60

-50

-30

10

100

1000

MHz

23

27

25

24

26

1.8

1.4

1.2

1.6

2.0

41

39

37

38

43

40

6.0

1.0

3.0

2.0

Noise Figure (dB)

1.0

Input

Output

5.0

42

28

4.0

10

100

1000

MHz

10

100

1000

MHz

10

100

1000

MHz

10

100

1000

MHz

2.2

10

100

1000

MHz

-10

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