Legend

+ 25 ºC

RF AMPLIFIER

MODEL

QBS-230

Available as: QBS-230, Housing (E52-19740)

Specifications

Maximum Ratings

Ambient Operating Temperature ................ -20 ºC to +60 ºC

Storage Temperature .............................. -55 ºC to + 125 ºC

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

DC Voltage ......................................................... + 30 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: 39.0 dB Typical

!

!

!

!

! High Power: +43 dBm Typical

!

!

!

!

! Environmental Screening Available

CHARACTERISTIC

TYPICAL

MIN/MAX

Ta= 25 ºC

Frequency

800 - 960 MHz

Power

Vdc

12.5

mA

7000

VSWR

In

1.5:1

Out

1.5:1

Reverse Isolation (dB)

-50

Gain (dB)

Gain Flatness

2.0

Output Intercept point

3rd Order

+53

2nd Order

Gain vs. Temperature

1 dB Compression (dBm)

+43

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.

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

-24.5

-24.5

-24.7

-24.9

-24.8

-25.1

-25.4

-25.5

-25.6

-130.9

-130.9

-140.2

-145.9

-151.0

-156.5

-160.7

-167.6

-166.8

39.0

39.5

39.7

39.8

39.9

39.9

39.7

39.5

39.4

134.3

84.3

50.7

17.1

-17.1

-51.6

-86.1

-121.2

-139.1

-60.8

-58.6

-57.7

-59.6

-57.4

-60.2

-54.9

-59.6

-59.2

-178.0

114.5

90.8

-159.5

55.2

160.6

92.6

33.4

30.0

-30.7

-31.7

-29.1

-28.6

-26.1

-23.0

-23.1

-22.3

-22.9

111.0

101.9

81.8

69.6

56.8

82.3

67.7

55.7

83.3

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

37

40

39

41

38

43

42

800

840

920

960

-70

-40

-50

-30

-60

-10

-20

40

43

42

44

41

46

45

1.0

1.3

1.2

1.4

1.1

1.6

1.5

52

55

54

56

53

58

57

Gain (dB)

Reverse Isolation (dB)

1 dB Comp. (dBm)

Input/Output VSWR +25 ºC

3rd order intermodulation distortion (dBm)

Input

Output

880

800

840

920

960

880

800

840

920

960

880

800

840

920

960

880

800

840

920

960

880

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