Surface Mount
Monolithic Amplifier
Page 1 of 4
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Product Features
• Wideband, DC to 2 GHz
• Cascadable
• Aqueous washable
• Protected under US Patent 6,943,629
Typical Applications
• Cellular
• PCN
• Instrumentation
• UHF/VHF
simplified schematic and pin description
Function Pin Number Description
RF IN 1 RF input pin. This pin requires the use of an external DC blocking capacitor chosen
for the frequency of operation.
RF-OUT and DC-IN 3
RF output and bias pin. DC voltage is present on this pin; therefore a DC blocking
capacitor is necessary for proper operation. An RF choke is needed to feed DC bias
without loss of RF signal due to the bias connection, as shown in “Recommended
Application Circuit”.
GND 2,4 Connections to ground. Use via holes as shown in “Suggested Layout for PCB
Design” to reduce ground path inductance for best performance.
VAM-7+
VAM-7
GROUND
RF IN
RF-OUT and DC-IN
REV. A
M108520
VAM-7
070118
DC-2 GHz
CASE STYLE: MMM168
PRICE: $1.31 ea. QTY. (30)
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications.
General Description
VAM-7+ (RoHS compliant) and VAM-7 (non-RoHS compliant) are wideband amplifiers offering high dy-
namic range. They have repeatable performance from lot to lot. They are enclosed in an SOT143 style
package. They use Darlington configuration and are fabricated using InGaP HBT technology. Expected
MTBF is 800 years at 85°C case temperature.
RF-OUT & DC-IN GND
GND RF-IN