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High Performance Amplifier, 25 dB Gain, 10 - 200 MHz
V 5.00
AM-/AMC-138
Features
n n n
FP-9
+49 dBm Typical Midband Third Order Intercept +25 dBm Typical Midband 1 dB Compression 5.3 dB Typical Midband Noise Figure
Description
M/A-COM's AM-138 is a coupler feedback amplifier with high intercept and compression points. The use of coupler feedback minimizes noise figure and current in a high intercept amplifier. This amplifier is packaged in a flatpack with flanges. Due to the internal power dissipation the thermal rise should be minimized. The ground plane on the PC board should be configured to remove heat from under the package. AM-138 is ideally suited for use where a high intercept, high reliability amplifier is required.
C-25
Absolute Maximum Ratings 1
Parameter Max. Input Power Vbias Operating Temperature Storage Temperature Absolute Maximum +15 dBm +17.0 V -55C to +85C -65C to +125C
1. Operation of this device above any one of these parameters may cause permanent damange.
Pin Configuration
Pin # 1 2 3 4 5 Function RF OUT GND GND GND Vbias
2
Pin # 6 7 8 9 10
Function RF IN GND GND GND Vbias2
2. Bias may be applied to either a single bias pin, or both bias pins. If bias is applied to both bias pins, it is important that potential ground loops be avoided, and that there is adequate filtering on the bias lines.
High Performance Amplifier, 25 dB Gain, 10 - 200 MHz
AM-/AMC-138
V 5.00
Electrical Specifications3,4 TA = -55C to +85C Case Temperature
Parameter Gain Frequency Response Gain Variation with Temperature 1 dB Compression Noise Figure Reverse Transmission VSWR Output IP2 Output IP3 Vbias Ibias Power Dissipation Test Conditions 50 MHz @ +25C -- -- Output Power -- -- -- Two-tone inputs up to +10 dBm Two-tone inputs up to +10 dBm -- Vbias = +15.0 VDC @ +15V Bias Frequency 50 MHz 10 - 200 MHz 10 - 200 MHz 10 - 200 MHz 10 - 70 MHz 10 - 200 MHz 10 - 200 MHz 10 - 200 MHz 10 - 70 MHz 10 - 200 MHz 10 - 70 MHz 10 - 200 MHz 10 - 70 MHz -- -- -- Units dB dB dB dBm dBm dB dB Ratio Ratio dBm dBm dBm dBm V mA W Min. 24.2 -- -1.4 +23 +25 -- -- -- -- +50 +56 +35 +41 14.25 -- -- Typ. 25.4 -- -- -- -- -- -35 -- -- -- -- -- -- 15 180 2.7 Max. 25.8 1.0 +1.0 -- -- 7.0 -33 2.5:1 1.8:1 -- -- -- -- 15.75 220 --
3. All specifications apply when operated at +15 VDC, with 50 ohms source and load impedance. 4. Heat Sinking: Operation at case temperature above 95C is not recommended. Heat sinking adequate to dissipate 3.5W must be provided in use. The flange should be screwed down to the heat sink, which should be RF ground.
Typical Performance Curves
Gain vs. Frequency
+85C 26.0 +25C -55C
72
Intermodulation Intercept
IP3 IP2 52
Gain (dB)
25.0
Intercept (dBm)IP2
68
48
24.0
64
44
23.0 3 5 10 20 50 100 200 300
60 3 5 10 20 50 100 200
40 300
Frequency (MHz)
Frequency (MHz)
Specifications subject to change without notice. n North America: Tel. (800) 366-2266 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
Visit www.macom.com for additional data sheets and product information.
2
Intercept (dBm) IP3
High Performance Amplifier, 25 dB Gain, 10 - 200 MHz Typical Performance Curves
AM-/AMC-138
V 5.00
VSWR vs. Frequency
RF OUT 2.50 RF IN
Noise Figure and 1 dB Compression
Output Power 6.5 Noise Figure 31
30 6.0 29 5.5 28
2.00
1.50
1.00 3 5 10 20 50 100 200 300
5.0 3 5 10 20 50 100 200
27 300
Frequency (MHz)
Frequency (MHz)
Ordering Information
Part Number AM-138 PIN AMC-138 SMA Package FP-9 C-25
Specifications subject to change without notice. n North America: Tel. (800) 366-2266 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
Visit www.macom.com for additional data sheets and product information.
Output Power (dBm)
Noise Figure (dB)
VSWR
3

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