Custom Products from Masters Communications

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Masters Communications EPGA103+445 Preamp - Standard Features:
These standard features are included in the EPGA103+445 Preamp.

• L/C tuned input circuit to help protect against out of band overload.
• Uses a genuine MiniCircuits PGA103+ amplifier chip.
• Very Low Noise - typically ~ 1.6 dB noise figure.
• -3dB bandwidth - 25 MHz.
• 100% totally shielded aluminum box - properly machined for rugged / stable opertion.
• 12VDC operation at moderate current draw (7-15V acceptable - about 60-80 mA typical).
• PGA103+ circuit runs at 3.5 volts - internally regulated (low-noise linear regulation).
• P1dB = +17dBm at the device, +11 dBm at the output connector - because of output attenuator.
• Available with BNC, UHF, or N Female Connectors (or a unique combination of any two - - can eliminate adapters)
• Moderate Gain (held to about 14dB) - less chance of receiver overload.
• These preamps are NOT available as unassembled project kits - comes ready to install.
• Power connection is made on the outside via DC Feedthru and ground lug (soldering preferred).
• 24" Siamese Black/Red power wire supplied - longer lenghts available, small fee applies.
• $145.00 assembled, tested - with any connector option (BNC, UHF, N - any two).
• Built to order and professionally tuned on a HP 8753ES Vector Network Analyzer.
• Great input match so your duplexer notch tuning is not pulled out of whack.
• Comes with performance graphs showing gain and input return loss (match) on your frequency.
• Email Kevin to get one built for your repeater.

Individual Features:

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Frequency Range	420 - 470 MHz
Application	Ham or Commercial or GMRS Frequencies
Gain in dB	14 dB typical (+/- 1dB - can be customized)
Noise Figure in dB	1.6 dB typical (+/-.5dB)
Input Return Loss	>20 dB (typically -30dB or more)
Output Return Loss	>20 dB
Overload Point	0 dBm
P1dB	+11 dBm at output connector
DC Power Requirement	12VDC @ 60 - 100mA
Available RF Connectors (any combination of two)	BNC Female UHF (SO239) Female Type N Female

More Information:
Email Kevin Custer for ordering information and/or support of these exciting products.

Products of Masters Communications, all rights reserved.
Specifications may change without notice.
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Board layout by Kevin Custer - W3KKC.
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