RF AMPLIFIER
MODEL
TM7148
Features
!
!
!
!
Medium Gain: 13.5 dB Typical
High Output Power: +25 dBm Typical
Operating Temp. -55 ºC to +85 ºC
Environmental Screening Available
Available as:
TM7148, 4 Pin TO-8 (T4)
TN7148, 4 Pin Surface Mount (SM3)
BX7148, Connectorized Housing (H1)
Typical Intermodulation Performance at 25 ºC*
Second Order Harmonic Intercept Point ....... +63 dBm (Typ.)
Second Order Two Tone Intercept Point ........ +57 dBm (Typ.)
Third Order Two Tone Intercept Point ............ +42 dBm (Typ.)
*Measured at 100 MHz.
Specifications
CHARACTERISTIC
Frequency
Gain (dB)
Power @ 1 dB
Comp. (dBm)
Reverse
Isolation (dB)
VSWR
In
Out
TYPICAL
Ta= 25 ºC
10 - 350 MHz
13.5
+25
-17.5
<1.5:1
<1.5:1
3.2
+15
108
MIN/MAX
Ta = -55 ºC to +85 ºC
10 - 250 MHz
12 Min.
+23.5 Min.
-16.5 Max.
1.8:1 Max.
1.8:1 Max.
4.5 Max.
+15 Min.
114 Max.
Maximum Ratings
Ambient Operating Temperature ................ -55ºC to +100 ºC
Storage Temperature .................................-62ºC to +125 ºC
Case Temperature .................................................. +125 ºC
DC Voltage ......................................................... + 17 Volts
Continuous RF Input Power .................................. +15 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)
15
14
13
12
11
Start 10 MHz
Stop 250 MHz
Reverse Isolation (dB)
-16.5
-17.0
-17.5
-18.0
-18.5
Start 10 MHz
Stop 250 MHz
Noise Figure (dB)
5.0
3.0
1.0
Start 10 MHz
Stop 250 MHz
1 dB Comp. (dBm)
27
26
25
24
23
Start 10 MHz
Stop 250 MHz
Input VSWR
2.0
1.5
1.0
2.0
1.5
1.0
Start 10 MHz
Stop 250 MHz
Start 10 MHz
Output VSWR
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
Rev.
6/10/08
www.SpectrumMicrowave.com
Spectrum Microwave · 2707 Black Lake Place · Philadelphia, Pennsylvania 19154 · PH (215) 464-4000 · Fax (215) 464-4001
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