Available as: TM7481, 4 Pin TO-8 (T4)
TN7481, 4 Pin Surface Mount (SM3)
RFAMPLIFIER
FP7481, 4 Pin Flatpack (FP4)
BX7481, Connectorized Housing (H1)
MODEL TM7481
Features
Typical Intermodulation Performance at 25 º C
Second Order Harmonic Intercept Point ....... +39 dBm (Typ.)
Second OrderTwoTone Intercept Point ........ +33 dBm (Typ.)
Third OrderTwoTone Intercept Point ............ +29 dBm (Typ.)
! Low Noise Figure: 2.3 dB Typical
! Medium Output Power: +16.2 dBm Typical
! Operating Temp. - 55 ºC to +85 ºC
! Environmental ScreeningAvailable
Specifications
Maximum Ratings
Ambient OperatingTemperature .............. -55ºC to + 100 ºC
StorageTemperature ............................... -62ºC to + 125 ºC
CaseTemperature .................................................+ 125 ºC
DCVoltage ......................................................... + 19 Volts
Continuous RF Input Power ................................. + 10 dBm
ShortTerm RF Input Power......50 Milliwatts (1 Minute Max.)
Maximum Peak Power .................... 0.5 Watt (3 µsec Max.)
CHARACTERISTIC
TYPICAL
Ta= 25 ºC
10 - 300 MHz
MIN/MAX
Ta = -55 ºC to +85 ºC
15 - 300 MHz
Frequency
Gain (dB)
28.5
27.0 Min.
Power @ 1 dB
Comp. (dBm)
Reverse
+16.2
-32
+14.5 Min.
-30 Max.
Isolation (dB)
VSWR
In
Out
<1.5:1
<1.8:1
2.0:1 Max.
2.0:1 Max.
Noise Figure (dB)
Power Vdc
mA
2.3
3.0 Max.
+15
27
+15
32 Max.
Note: Care should always be taken to effectively ground the case of each unit.
Typical Performance Data
Gain (dB)
Noise Figure (dB)
Reverse Isolation (dB)
30
29
28
27
26
-20
- 30
- 40
- 50
- 60
4
3
2
1
0
Start 15 MHz
Stop 300 MHz
Start 15 MHz
Stop 300 MHz
Start 15 MHz
Stop 300 MHz
1 dB Comp. (dBm)
Input VSWR
Output VSWR
+18
+17
+16
+15
+14
2.0
1.5
1.0
2.0
1.5
1.0
Start 15 MHz
Stop 300 MHz
Start 15 MHz
Stop 300 MHz
Start 15 MHz
Stop 300 MHz
Legend
+ 25 ºC
+ 85 ºC - - - - - - -55 ºC
Linear S-Parameters
FREQ.
S11
Mag.
S21
Mag.
S12
Mag.
S22
MHz
Deg.
Deg.
Deg.
Mag.
Deg.
========================================================================================
15
50
100
150
200
250
300
-
93
.25
.02
.12
.19
.25
.29
.33
- 80
95
57
35
13
25.44
26.48
26.03
25.57
25.36
25.61
26.53
- 163
158
129
103
77
.0220
.0213
.0223
.0231
.0233
.0232
.0231
- 2
- 3
- 7
- 11
- 21
- 30
- 37
.04
.03
.04
.09
.15
.19
.21
- 159
- 115
- 121
- 139
- 160
- 177
- 11
- 41
50
21
05/06/05
Spectrum Microwave · 2144 Franklin Drive N.E. · Palm Bay, Florida 32905 · PH (888) 553-7531 · Fax (888) 553-7532
Spectrum Microwave (Europe) · 2707 Black Lake Place · Philadelphia, Pa. 19154 · PH (215) 464-4000 · Fax (215) 464-4001
www.spectrummicrowave.com