RF AMPLIFIER
MODEL
CZ8120
Features
!
Replacement for the Motorola MWA 120
!
Operating Temp. 0 ºC to +70 ºC
!
Environmental Screening Available
Available as:
CZ8120, 3 Pin TO-39 (T10)
Typical Intermodulation Performance at 25 º C
Second Order Harmonic Intercept Point ....... +31 dBm (Typ.)
Second Order Two Tone Intercept Point ........ +25 dBm (Typ.)
Third Order Two Tone Intercept Point ............ +21 dBm (Typ.)
Specifications
CHARACTERISTIC
Frequency
Gain (dB)
Power @ 1 dB
Comp. (dBm)
Reverse
Isolation (dB)
VSWR
In
Out
TYPICAL
Ta= 25 ºC
kHz - 400 MHz
15
+9
-18
<2.0:1
<2.2:1
<5.0
+5
25
MIN/MAX
Ta = 0 ºC to +70 ºC
kHz - 400 MHz
13 Min.
+7 Min.
-17 Max.
2.5:1 Max.
2.5:1 Max.
6.5 Max.
+5
28 Max.
Maximum Ratings
Ambient Operating Temperature .............. -55ºC to + 125 ºC
Storage Temperature ............................... -62ºC to + 125 ºC
Case Temperature ................................................. + 125 ºC
Continuous RF Input Power ................................. + 13 dBm
Short Term RF Input Power ...... 50 Milliwatts (1 Minute Max.)
Maximum Peak Power ................... 0.5 Watt ( 3
µsec
Max.)
*Three
external capacitors and a decoupling impedence are
required.
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)
17
16
15
14
13
Start kHz
Stop 400 MHz
Reverse Isolation (dB)
0
- 10
- 20
- 30
- 40
Start kHz
Stop 400 MHz
Noise Figure (dB)
7
6
5
4
3
Start kHz
Stop 400 MHz
1 dB Comp. (dBm)
+11
+10
+9
+8
+7
Start kHz
Stop 400 MHz
2.5
1.75
1.0
Start kHz
Input VSWR
2.5
1.75
1.0
Stop 400 MHz
Start kHz
Output VSWR
Stop 400 MHz
Legend
+25 ºC
+70 ºC - - - - - - 0 ºC
*Decoupling
Impedance is 1 kOhm.
Schematic Diagram
+Vcc
The CZ81X0 Series Amplifiers are designed for application in 50 ohm
systems. Three external capacitors and a decoupling impedance are
required. The decoupling impedance must be large in comparison to
the 50 ohm load to minimize gain reduction. Data sheet curves are
based on the noted decoupling impedance. The external capacitors
determine the low frequency response of the Amplifier.
50 Ohm Input
CZ Series Amp
Decoupling
Impedance
The CZ82X0 Series Amplifiers can be cascaded in series of two or
more units without oscillation problems.
50 Ohm Output
Spectrum Microwave · 2144 Franklin Drive N.E. · Palm Bay, Florida 32905 · PH (888) 553-7531 · Fax (888) 553-7532
11/23/04
www.SpectrumMicrowave.com
Spectrum Microwave (Europe) · 2707 Black Lake Place · Philadelphia, Pa. 19154 · PH (215) 464-4000 · Fax (215) 464-4001
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