model: a037 lcf enterprises p/n 650-240-40-30-A3 651 via alondra, building 712 tel: (805) 388-8454 camarillo, ca 93012 usa fax: (805) 389-5393 e-mail: info@lcfamps.com web: www.lcfamps.com 240 - 650 mhz 40 watts gain: 30 db voltage: 28 vdc amplifier module performance small size high efficiency low even order harmonics rugged p/n 650-240-40-30-A3 parameter specifications comments rf output power 40 watts cw minimum frequency range 240 - 650 mhz gain 30 db minimum 35 db typical main dc supply 28 vdc, 6 amp maximum 5 to 6 amp typical at 40w output (see note 1) bias supply 15 vdc, 10 ma maximum provides enable/disable control (see note 2) class ab linear efficiency 25-35% typical harmonics see plot spurious <-60 dbc in/out impedance designed for small size, high efficiency; compatible with 50 ohms rf in/out connectors sma female dc connections solderable filtered feed throughs with ground lugs size 4.84" x 2.0" x 1.0" excluding connectors/feet weight < 14 oz. operating temperature -50c to +60c consult technical support for higher temperature operation. operating humidity 95-100% vibration 110 g shock altitude 50,000 feet
model: a037 lcf enterprises p/n 650-240-40-30-A3 651 via alondra, building 712 tel: (805) 388-8454 camarillo, ca 93012 usa fax: (805) 389-5393 e-mail: info@lcfamps.com web: www.lcfamps.com mechanical outline open architecture features 1. separate power supply feed throughs for each push/pull section permit individual fuse protection, section monitoring, and diagnostics. single power supply terminal available. 2. separate bias inputs permit adjustment of each push/pull section permit optimization of gain vs. distortion vs. efficiency. bias off disables amplifier. single bias terminal, ttl compatible enable/disable, or no bias terminal available. 3. a low loss output matching network provides high efficiency and optimum stability. 4. separate bias inputs and power supply feed throughs permit either class ab (standard) or class a biasing. available c higher powers through multiple module combining c test fixture with heat sink, fuse protection, and thermal shutdown c inside wiring with only one dc connection c complete rackmount systems with integrated power supply c detailed application notes c transmit/receive subsystems c ttl compatible enable/disable control c narrower band optimization available at no additional cost copyright ? 1998 lcf enterprises. all rights reserved. small signal gain ( -70 dbm reference ) harmonics ( 40w output ) electrical performance high power test data (typical) freq (mhz) input power (dbm) output power (w) drain voltage (v) dc current (a) dc power (w) eff (%) gain (db) 650.0 8.2 40.0 27.7 5.20 144.0 27.8 37.8 600.0 8.4 40.0 27.7 5.12 141.8 28.2 37.6 400.0 16.8 40.0 27.7 4.84 134.1 29.8 29.2 300.0 15.0 40.0 27.7 4.43 122.7 32.6 31.0 240.0 13.5 40.0 27.7 4.08 113.0 35.4 32.5
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