background image

©2008 Hamtronics, Inc.; Hilton NY; USA.  All rights reserved.  Hamtronics is a registered trademark.    Revised: 6/3/10 

- Page 7 - 

Summary of Contents for T301

Page 1: ...low loss type made for rf We sell good RCA plugs with cable clamp See A5 plug on website If you want to extend the antenna con nection to a panel connector we recommend using a short length of RG 174...

Page 2: ...example let us consider how to set the Exciter for output on 146 94 MHz The fol lowing discussion is broken down into steps so you can visualize the process easier a 146 940 144 000 base freq 2 940 M...

Page 3: ...quencies deviate wider than lower fre quencies The second op amp U5b provides a 12dB octave rolloff for any audio or data modulation products over 3000 Hz to prevent splatter interference to other nea...

Page 4: ...c power supply which operates the exciter can cause noise to modulate the signal Various regulators and filters in the exciter are designed to minimize sensitivity to wiring noise However in ex treme...

Page 5: ...d This allows you to melt the solder and reposition the ic if necessary Once you are sure the remaining leads can be soldered If you get a solder short between leads use a solder sucker or solder wick...

Page 6: ...ed Q1 Q2 2N5770 Q3 MMBT3904 Q4 PN5179 Q6 MRF237 R1 180 R2 2meg R3 not assigned R4 R5 15K R6 100K R7 1 meg R8 2 2K R9 10K R10 6 8K R11 3 9K R12 180 R13 47 R14 47K R15 470 R16 not assigned R17 6 8K R18...

Page 7: ...2008 Hamtronics Inc Hilton NY USA All rights reserved Hamtronics is a registered trademark Revised 6 3 10 Page 7...

Page 8: ...2008 Hamtronics Inc Hilton NY USA All rights reserved Hamtronics is a registered trademark Revised 6 3 10 Page 8...

Reviews: