Legend

+ 25 ºC

+ 70 ºC - - - - - - -40 ºC

RF AMPLIFIER

MODEL

QBH-8900

Available as: QBH-8900, Hybrid SM (E52-19422)

Specifications

Maximum Ratings

Ambient Operating Temperature .............. -55 ºC to +100 ºC

Storage Temperature .............................. -65 ºC to + 125 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: 22.0 dB 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

800 - 960 MHz

800 - 960 MHz

Power

Vdc

+15

+15

mA

350

370 Max.

Noise Figure (dB)

3.0

3.0 Max.

VSWR

In

1.5:1

1.5:1 Max.

Out

1.5:1

1.5:1 Max.

Reverse Isolation (dB)

Gain (dB)

Gain Flatness

1.0

Output Intercept point

3rd Order

+47

+46 Min.

2nd Order

Gain vs. Temperature

+0.7/-0.7 Max.

1 dB Compression (dBm)

+31.5

+31

Min.

Typical Performance Data

03/11/05

Note: 1. Specifications are guaranteed when tested in a 50 Ohm system.

Specifications indicated as typical are not guaranteed.

Linear S-Parameters Data

FREQ.

– – S11– –

– – S21– –

– – S12– –

– – S22– –

MHz

Ang

dB

Ang

dB

Ang

dB

Ang

dB

800

830

850

870

890

910

930

950

960

-26.2

-31.6

-38.1

-30.6

-26.6

-24.4

-22.7

-21.5

-21.1

-72.8

-36.3

-12.4

-7.6

-4.7

-7.1

-11.1

-15.8

-19.5

22.2

22.2

22.2

22.2

22.2

22.1

22.0

22.0

21.9

101.9

89.0

80.6

72.4

64.4

56.5

48.8

41.2

37.4

-42.6

-42.4

-42.4

-42.2

-41.8

-41.5

-41.3

-41.1

-40.7

29.5

26.0

23.6

22.4

18.8

17.9

15.9

13.0

11.7

-18.2

-20.5

-22.2

-23.6

-24.6

-24.6

-24.0

-22.8

-22.1

-133.0

-134.5

-133.3

-129.1

-120.8

-107.0

-90.7

-75.7

-70.0

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

19

22

21

23

20

25

24

800

840

920

960

-70

-40

-50

-30

-60

-10

-20

0.0

1.0

2.0

3.0

29

32

31

33

30

35

34

1.0

1.3

1.2

1.4

1.1

1.6

1.5

45

48

47

49

46

51

50

Gain (dB)

Reverse Isolation (dB)

1 dB Comp. (dBm)

Input/Output VSWR +25 ºC

3rd order intermodulation distortion (dBm)

Noise Figure (dB)

Input

Output

880

800

840

920

960

880

800

840

920

960

880

800

840

920

960

880

800

840

920

960

880

800

840

920

960

880

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

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www.SpectrumMicrowave.com