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Summary of Contents for PSC-301

Page 1: ...WNER S MANUAL 18 channel CB Transceiver Professional Quality And Performance Standards Advanced Circuitry With PLL Synthesis Manufactured Exclusively for Peter Shalley Communications 554 Pacific Highway Killara 2071 Australia ...

Page 2: ... AM Transmitter section SSB generation Double balance modulator with crystal lattice filter AM modulation High level class B Frequency response 400 Hz to 2 400 Hz RF output power 12 Watts PEP SSB 4 Watts AM Harmonic suppression 65dB down General Power source 13 8VDC 11 6 15 6 Speaker 3 82 Semi Conductors 41 transistor 4 FET 52 diode 4 IC 2 LED Frequency control Phase locked loop synthesizer contro...

Page 3: ...e The PSC 301 has been carefully designed for ease of operation You can select AM Upper Sideband or Lower Sideband with the simple push of a button Transmission is simple too just press the microphone button Ordinarily an SSB signal will reach farther and be heard more clearly than an equivalent AM signal SSB reception on the selected sideband is simple too you just adjust the clarifier Control fo...

Page 4: ...SQUELCH CLARIFIER 1 36 1 1 0 0 000 PA 1 NB PA AM LSB USB CONTACT MODEL PSC 301 POWER ANTENNA 0 SPEAKER PA EXT 13 8 V MADE IN JAPAN See the following page for complete explanations of all operating controls and connections 2 ...

Page 5: ...ise Varies the sound output from the speaker Also incorporates an ON OFF power switch at the extreme counter clockwise position Adjust the microphone gain of the PA AM SSB output level 4 pin socket for attachment of push to talk microphone For antenna lead in cable with matching PL 259 connector Jack for connection of 8 ohm PA speaker when used in this mode Allows use of headphone for private list...

Page 6: ...side of the instrument panel or dashboard of a car truck etc by means of the special bracket that is supplied with the transceiver Attach the bracket to the underside of the instrument panel using self threading screws See Fig 1 Secure the transceiver to the bracket by means of the large knurled thumbscrews Tilt the transceiver to a position which provides the operator with the best view of the fr...

Page 7: ... being received To do this set Channel Selector to a channel where no signals are present or wait till signals cease on your channel Then rotate Squelch in a clockwise direction to the point where the background noise just stops Now when a signal is present you will hear it but will not be disturbed by noise on the channel in between signals When properly set Squelch will keep the receiver dead un...

Page 8: ...trol acts as a power mike gain control and should be adjusted with the help of another sta tion several miles away to provide best voice sounds Usually best performance will be had when adjusted between 10 o clock and 2 o clock positions rarely will full gain be needed and extreme distortion is the usual result NOTE Channel 5 has been designated by the P T as an emergency channel Use channel 6 for...

Page 9: ...nit 5 Connect Frequency Counter between PLL Output Terminals of T201 and PC Board Ground 6 Depress Microphone PUSH TO TALK button 7 Rotate Trimmer Capacitor TC203 until Frequency Counter indicates 38 237Mhz F Q701 Oscillator Adjustment 1 Set Mode Switch to USB position 2 Connect Frequency Counter high impedance input between Q702 Collector to PC Board Ground 3 Rotate Trimmer Capacitor TC701 until ...

Page 10: ...R Control to 12 o oclock position 5 Rotate SQUELCH Control full Counter clockwise 6 Set RF Signal Generator to 27 125 Mhz CH 1 0 for 30 percent Modulation with 1Khz tone Adjust its output level to 10 N 7 Set Channel Selector Switch to CH 1 0 and Signal Generator frequency to approximately 27 125 Mhz for a maximum indication on AC VTVM 8 Adjust T301 T302 and T303 for a maximum output indication on ...

Page 11: ...PLL P C B PATTERN VIEW PLL P C B PARTS VIEW LED P C B 9 ...

Page 12: ...MAIN P C B PATTERN VIEW ...

Page 13: ...CONTACT MODEL PSC 301 SCHEMATIC DIAGRAM ...

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Page 15: ...13 ...

Page 16: ...BLOCK DIAGRAM ...

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