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TM7281 Datasheet, PDF (1/1 Pages) Spectrum Microwave, Inc. – RF AMPLIFIER
RF AMPLIFIER
MODEL TM7281
Available as:
TM7281, 4 Pin TO-8 (T4)
TN7281, 4 Pin Surface Mount (SM3)
FP7281, 4 Pin Flatpack (FP4)
BX7281,Connectorized Housing (H1)
Features
! High Gain: 25.5 dB Typical
! Low Noise Figure: 2.4 dB Typical
! Operating Temp. - 55 ºC to +85 ºC
! Environmental Screening Available
Typical Intermodulation Performance at 25 º C
Second Order Harmonic Intercept Point .......+40 dBm (Typ.)
Second Order Two Tone Intercept Point ........+35 dBm (Typ.)
Third Order Two Tone Intercept Point.............+31 dBm (Typ.)
Specifications
CHARACTERISTIC
TYPICAL
Ta= 25 ºC
MIN/MAX
Ta = -55 ºC to +85 ºC
Frequency
Gain (dB)
10-300 MHz
25.5
20-250 MHz
23 Min.
Power @ 1 dB
Comp. (dBm)
Reverse
Isolation (dB)
+17.5
-32
+15.5 Min.
-30 Max.
VSWR
In
Out
<1.5:1
<1.75:1
2.0:1 Max.
2.0:1 Max.
Noise Figure (dB)
2.4
3.3 Max.
Power
Vdc
+15
+15 Min.
mA
30
33 Max.
Note: Care should always be taken to effectively ground the case of each unit.
Maximum Ratings
Ambient Operating Temperature .............. -55ºC to + 100 ºC
Storage Temperature ............................... -62ºC to + 125 ºC
Case Temperature ................................................. + 125 ºC
DC Voltage ......................................................... + 18 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.)
27
26
25
24
23
Start 20 MHz
Gain (dB)
Stop 250 MHz
Typical Performance Data
Reverse Isolation (dB)
0
- 10
- 20
- 30
- 40
Start 20 MHz
Stop 250 MHz
Noise Figure (dB)
3
2
1
Start 20 MHz
Stop 250 MHz
1 dB Comp. (dBm)
+19
+18
+17
+16
+15
Start 20 MHz
Stop 250 MHz
Input VSWR
2.0
1.5
1.0
Start 20 MHz
Stop 250 MHz
Output VSWR
2.0
1.5
1.0
Start 20 MHz
Stop 250 MHz
Legend
+ 25 ºC
+ 85 ºC - - - - - - -55 ºC
Spectrum Microwave · 2144 Franklin Drive N.E. · Palm Bay, Florida 32905 · PH (888) 553-7531 · Fax (888) 553-7532 6/30/04
www.spectrummicrowave.com Spectrum Microwave (Europe) · 2707 Black Lake Place · Philadelphia, Pa. 19154 · PH (215) 464-4000 · Fax (215) 464-4001