Typical Intermodulation Performance at 25 º C

Second Order Harmonic Intercept Point ....... +39 dBm (Typ.)

Second Order Two Tone Intercept Point ........ +33 dBm (Typ.)

Third Order Two Tone Intercept Point ............ +29 dBm (Typ.)

Legend

+ 25 ºC

+ 85 ºC - - - - - - -55 ºC

Power

Vdc

+15

+15

m A

27

32 Max.

RF AMPLIFIER

MODEL

TM7481

Available as:

TM7481, 4 Pin TO-8 (T4)

TN7481, 4 Pin Surface Mount (SM3)

FP7481, 4 Pin Flatpack (FP4)

BX7481, Connectorized Housing (H1)

Features

!

!

!

!

! Low Noise Figure: 2.3 dB Typical

!

!

!

!

! Medium Output Power: +16.2 dBm Typical

!

!

!

!

! Operating Temp. - 55 ºC to +85 ºC

!

!

!

!

! Environmental Screening Available

CHARACTERISTIC

TYPICAL

MIN/MAX

Ta= 25 ºC

Ta = -55 ºC to +85 ºC

Frequency

10 - 300 MHz

15 - 300 MHz

Note: Care should always be taken to effectively ground the case of each unit.

Noise Figure (dB)

2.3

3.0 Max.

VSWR

In

<1.5:1

2.0:1 Max.

Out

<1.8:1

2.0:1 Max.

Reverse

Isolation (dB)

-32

-30 Max.

Power @ 1 dB

Comp. (dBm)

+16.2

+14.5 Min.

Gain (dB)

28.5

27.0 Min.

Specifications

Typical Performance Data

Maximum Ratings

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

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

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

DC Voltage ......................................................... + 19 Volts

Continuous RF Input Power ................................. + 10 dBm

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

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

µsec Max.)

05/06/05

Start 15 MHz

Stop 300 MHz

Start 15 MHz

Stop 300 MHz

Start 15 MHz

Stop 300 MHz

Start 15 MHz

Stop 300 MHz

Start 15 MHz

Stop 300 MHz

Start 15 MHz

Stop 300 MHz

- 30

-20

- 40

- 50

- 60

1.0

2.0

1.5

1.0

3

4

2

1

0

29

30

28

27

26

+17

+18

+16

+15

+14

2.0

1.5

Gain (dB)

Noise Figure (dB)

1 dB Comp. (dBm)

Input VSWR

Output VSWR

Reverse Isolation (dB)

Linear S-Parameters

FREQ.

MHz

S11

Mag.

Deg.

S21

Mag.

Deg.

S12

Mag.

Deg.

S22

Mag.

Deg.

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

15

50

100

150

200

250

300

.25

.02

.12

.19

.25

.29

.33

- 80

95

57

35

13

- 11

- 41

25.44

26.48

26.03

25.57

25.36

25.61

26.53

- 163

158

129

103

77

50

21

.0220

.0213

.0223

.0231

.0233

.0232

.0231

- 2

- 3

- 7

- 11

- 21

- 30

- 37

.04

.03

.04

.09

.15

.19

.21

- 93

- 159

- 115

- 121

- 139

- 160

- 177

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