RF AMPLIFIER
MODEL
TM7481
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
Available as:
TM7481, 4 Pin TO-8 (T4)
TN7481, 4 Pin Surface Mount (SM3)
FP7481, 4 Pin Flatpack (FP4)
BX7481, Connectorized Housing (H1)
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.)
Specifications
CHARACTERISTIC
Frequency
Gain (dB)
Power @ 1 dB
Comp. (dBm)
Reverse
Isolation (dB)
VSWR
In
Out
TYPICAL
Ta= 25 ºC
10 - 300 MHz
28.5
+16.2
-32
<1.5:1
<1.8:1
2.3
+15
27
MIN/MAX
Ta = -55 ºC to +85 ºC
15 - 300 MHz
27.0 Min.
+14.5 Min.
-30 Max.
2.0:1 Max.
2.0:1 Max.
3.0 Max.
+15
32 Max.
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.)
Noise Figure (dB)
Power
Vdc
mA
Note: Care should always be taken to effectively ground the case of each unit.
Typical Performance Data
Gain (dB)
30
29
28
27
26
Start 15 MHz
Stop 300 MHz
Reverse Isolation (dB)
-20
- 30
- 40
- 50
- 60
Start 15 MHz
Stop 300 MHz
Noise Figure (dB)
4
3
2
1
0
Start 15 MHz
Stop 300 MHz
1 dB Comp. (dBm)
+18
+17
+16
+15
+14
Start 15 MHz
Stop 300 MHz
Input VSWR
2.0
1.5
1.0
Start 15 MHz
Stop 300 MHz
2.0
1.5
1.0
Start 15 MHz
Output VSWR
Stop 300 MHz
Legend
+ 25 ºC
+ 85 ºC - - - - - - -55 ºC
Linear S-Parameters
FREQ.
S11
S21
S12
S22
MHz
Mag.
Deg.
Mag.
Deg.
Mag.
Deg.
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
05/06/05
www.spectrummicrowave.com
Spectrum Microwave (Europe) · 2707 Black Lake Place · Philadelphia, Pa. 19154 · PH (215) 464-4000 · Fax (215) 464-4001
