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Содержание BTE-115

Страница 1: ...www SteamPoweredRadio Com Broadcast Equipment BTE 115 FM Exciter Ml 561060 IB 8025256 1 ...

Страница 2: ...u can see his chP st move up and down If you do not feel the air or see the chest move he is not breathing RESCUE BREATHING 2 If he is not open the airway by tilting his head backward Lift up his neck w 111 one hand and push down on his forehead with the other This opens the airway Sometimes doing this will let the person b1 eathe agaill by himself If 11 does not begi11 rescue breathing BURNS 3 If...

Страница 3: ...ipment ei tr t 10 1111 _ u Xlo Ollh II C C 11111 0 M C K _ IJ t 1 1ti1t KiliJIIIJ 1 u t i Y KA et f ou1 oo Instructions BTE 115 FM Exciter Ml 561060 lit t 1 w Commercial Communications Systems Division Front and Cooper Streets Camden New Jersey U S A 08102 PRINTED IN U S A IB 8025256 1 ...

Страница 4: ...carrier s agent will present a receipt for your signature Do not sign it until you have a inspected the containers for visible signs of damage and bl counted the containers and compared with the amount shown on the shipping papers If a shortage or if evidence of damage is noted insist that notation to that effect be made on the shipping papers before you sign them Further after receiving the equip...

Страница 5: ...just Modulator Sensitivity Buffer Tuning Amplifier Tuning Buffer Calibration RF Amplifier Input Tuning Driver Tuning Final Tuning Forward Power Calibration Reflected Power Calibration Reference Oscillator and AFC Frequency Adjustment 3125 Hz Tuning Divider Miscount Monitor Tuning AFC Loss Idle Adjustment AFC Defeat Switch Audio and Metering Module Meter Zero Wideband Gain Trim Composite Modulation...

Страница 6: ...dulated Oscillator Schematic 7 RF Amplifier Adjustments 8 RF Amplifier Schematic 9 High Frequency Divider Schematic Earl y Models 9A High Frequency Divider Schematic Later Models 10 Reference Oscil later AFC Adjustments 11 Reference Osci l lator AFC Schematic 12 Power Supply Adjustments 13 Power Supply Schematic 14 Audio LPF Audio and Metering Boards Schematic 15 Input Pad Ma in Frame Schematic 16...

Страница 7: ... generator less 2 audio LPFs D 1 BTX 101 SCA generator less audio LPF E 1 Plug in 15 kHz audio LPF for BTE 115 F 1 Pair of plug in 15 kHz audio LPFs for BTS 101 G l Plug in 5 kHz audio LPF for SCA unit H 1 Interconnecting cable for BTE 11 5 Stereo and l SCA system 6 Stereo and 2 SCA System ES 560987 includes A l Exciter less audio LPF 5 MHz crystal and oven Specify B l 5 MHz reference crystal and ...

Страница 8: ...Constant F3 and F9 87 5 to 108 MHz 4 to 17 watts Ooen or direct short 50 ohms Type BNC 75 kHz 100 kHz 500 Hz max Direct carrier FM 600 ohms balanced 10 dBm 2 dB referred to 400 Hz 1 0 dB max 0 3 or less 0 3 or less 70 dB 60 dB 0 25 50 or 75 µsec as desired Type BNC 5000 ohms resistive unbalanced WIDE BAND OPERATION Input Connector Input Impedance Input Level 3 5 VRMS nominal for 100 modulation ref...

Страница 9: ...ww SteamPoweredRadio Com VI I J7 IJ MJ E o 1 a 1 o v 1flll n 1 111 _ _ 1111 e OSC 0011h w FM f ll ltr fll TE H 5 J6 Figure A BTE 115 Front Panel J5 QI J8 J7 _ 1 Fl 02 J2 J4 J3 Figure B BTE 115 Rear View ...

Страница 10: ...www SteamPoweredRadio Com VI II MODULATED OSCILLATOR REFERENCE OSCILLATOR AFC 2K 0 47 RF AMPLIFIER VI HIGH FREQUENCY DIVIDER Figure C PW Board Locator Tl Cl CRI ...

Страница 11: ...n frequency signal at a power level of 200 milliwatts The summed modulating signal from the audio and metering module is applied to the modulated oscillator module as is a frequency controlling voltage from the AFC system The output from the modulated oscillator module is applied to the rf power amplifier module Low power samples of rf are applied to a front panel connector and to the AFC system T...

Страница 12: ...rom the affiliated RCA stereo and SCA gener a t ors DETAILED CIRCUIT DESCRIPTION AUDIO AND METERING MODULE Program audio preferably processed by a frequency conscious limiter such as the RCA BA 147 or equivalent is applied to pins 7 and 8 of the input connector J4 on the rear of the BTE 115 exciter From this connector it is routed through the input attenuator pad to the audio input transformer T2 ...

Страница 13: ...01 is applied via the rear panel COI 1POSITE INPUT connector Jl and rf filtering with Ll and C2 to the audio and metering module pin 7 A sample of this composite stereo signal is applied to the COI 1P CAL potentiometer Rl20 as well as to the series resistor Rll8 In the monaural mode the load side of Rll8 is shorted to ground by MONO COMPOSITE switch S101 and operation is in the monaural mode In th...

Страница 14: ... and R2O8 CR2O3 is coupled into the oscillator circuity via fixed capacitor C2O8 and variable capacitor C2O7 DISTORTION ADJUST Also connected to the oscill ator circuit is a second modulator using voltage variable capacitor CR2O2 The effective capacity of this element is determined by the voltage applied to pin 3 of this module CR2O2 is coupled into the oscillator circuitry with C214 The modulated...

Страница 15: ... panel indications of forward and reflected power HIGH FREQUENCY DIVIDER A sample of the rf from the modulated oscillat or module is applied to pin 4 of this module Refer to figure 9 Here it is amplified by Q401 Q402 and Q403 Q401 operates nearly class A is biased by R402 and R401 and collector current is determined by R403 The second stage operates in a similar manner using R407 and R406 for bias...

Страница 16: ...rystal oven The combination of these techniques together with the use of a field effect transistor provides excellent frequency tability over the full 20 to 70 C range The load for QSOl is R503 C503 the crystal CSOl and C502 form a Pierce oscillator CSOl FREQ is used to vernier the frequency of the 5 MHz signal All of the sensing and driving circuitry for the oven is self contained as a part of th...

Страница 17: ...he previously mentioned low frequency ripple This pulse is rectified by CR504 and is used to charge C532 via R542 The resulting de is used to operate Darlington transistor pair Q505 and QS06 This excites the loss of lock relay Kl via terminal 11 Should the carrier frequency oscillator the reference oscillator or any of the dividers fail or should any stage mis count then the 3125 Hz signal at the ...

Страница 18: ...utput of this regulator system is adjustable by means of 13 s V ADJ potentiometer R607 whose range is limited by R606 and R608 Current sensing for short circuit protection is provided by R604 An adjustable voltage is provided by a second regulator using U602 and Q2 This regulator provides a front panel variable voltage for the rf amplifier as a means of adjusting the power output The front panel R...

Страница 19: ... front However if the optional slider rails are used with the Exciter System the Exciter may have to be relocated to prevent interference between the sliders and other components in the BTF 5 10 20 transmitter Refer to separate instructions suppl ied with the slider rails for details DRILLING HOLES Using the rack template mark then drill and tap the 10 32 holes if they are not already provided The...

Страница 20: ...ng plugs from control wires Connect to 4 prong plug supplied as Interface Panel Connector Kit MI 563485 item 2 as follows Wire To Pin 86 l 87 2 42 3 43 or 330 4 B BTF 5 10 20 Transmitter Remove existing plugs and associated cable harness from 1TB6 and 1Z8 Remove the 4 wires specified from this cable and connect to 1TB6 and the 4 prong plug li d as Interface Panel Connector Kit MI 563485 item 2 as ...

Страница 21: ...nnect the exciter output to lJlOl on the main transmitter cabinet Route this cable in front of the metal cabinet member behind the exciter so the exciter may be easily removed for servicing The directional coupler 1Z8 if pro vided is used with the BTE 115 exciter only in the case of parallel transmitters Audio Input Signals For monaural systems without SCA the audio signal is connected to the 10 p...

Страница 22: ...ade to chassis ground 13 5 Volt Adjustment R607 is set for a reading of 13 5 volts de while monitoring the 13 5 volt line pin l of the power supply board or the 13 5 volt line tie point immed iately behind the power supply board Refer to figure 12 and figure 21 Maximum Power Set R617 controls the upper power level from the exciter Operate Rl the front panel RF OUTPUT LEVEL control to maximum and a...

Страница 23: ... TP201 with an external de voltmeter A slightly less accurate method is to monitor the BUFFER position with the front panel meter Amplifier Tuning C23l is tuned for maximum meter reading on the BUFFER position of the front panel meter Buffer Calibration After C225 and C231 are correctly calibrated adjust R234 for a readi ng of 20 with the front panel meter in the BUFFER position RF AMPLIFIER NOTE ...

Страница 24: ...uning for maximum meter reading Between 6 and 10 volts de should be achieved AFC Loss Idle Adjustment R519 is adjusted to return the AFC system to its normal operating point should there be a problem with the reference oscillator or any of the divider circuits Stop the oscillation of the 5 MHz reference oscillator by touching its frequency vernier capacitor C501 Note that the AFC loss light will c...

Страница 25: ...ction Meter Calibration Apply a subcarrier or audio generator sinusoidal signal to the left SCA input SCA INPUT l on the rear of the exciter The level of this signal should be that which causes 9 modulation injection of the exciter as read on a subcarrier modulation monitor Rotate the front panel meter switch to read SCA 1 INJ A djust SCA l INJ CAL control Rl22 for a O dB meter deflection SCA 2 In...

Страница 26: ...ll be pre emphasized When both switches are on the response will have a 75 m crosecond characteristic When only S103 is on the response will have a 50 microsecond characteristic Switch in the desired pre emphasis capacitor s and adjust PRE EMPHASIS TRIM control R112 for a 3 dB rise in m odulation sensitivity at the pre emphasis breakpoint frequency Meter Damping While varying the level of an audio...

Страница 27: ...the meter scale Should the reading go outside of this range then corrective action should be taken as outl ined in the INTERNAL ADJUSTMENT section Loss of AFC lock or del iberately operating the exciter in the manually controlled mode will result in the AFC meter position showing a meter swing If the AFC DEFEAT switch is switched to the DEFEAT position certain precautions must be taken to prevent ...

Страница 28: ... system is totally disconnected _including the loss of lock relay Kl Under these conditions the exciter may be kept on frequency by means of the front panel MANUAL FREQUENCY ADJUST control This control has an approxi mate range of plus and minus 2 MHz When the AFC system is normally operational the carrier frequency may be set with precision by using the front panel AFC FREQUENCY ADJUST control Th...

Страница 29: ...www SteamPoweredRadio Com IK234 I K23 1 me 1 19 Figure D Modu lated Oscillator PW Board Figure E Audio and Metering PW Board ...

Страница 30: ...www SteamPoweredRadio Com 20 IK233 Figure F Power Supply PW Board I K2 4 2 Figure G Reference Oscillator AFC PW Soard ...

Страница 31: ...www SteamPoweredRadio Com 21 IK237 Figure H RF Amplifier PW Board 1Kt55 Figure I High Frequency Divider PW Board ...

Страница 32: ...equire a mount For emergency part service during working hours contact RCA Distributor and Special Products Division telephone 609 848 5900 or 609 54 1 3636 extension 2234 or 2235 After working hours Eastern time telephone 609 853 0560 LOCATION ORDERING INSTRUCTIONS Continental United States I IPnlacement Parts bearing a STOCK NUMBER should I Iii ordered from RCA Distributor including Alaska and a...

Страница 33: ...lUF 2CI 1000V CERAr rc DISC CAPACITOR OOlUF 20 1000V CERAMIC DI SC RECT FlER TYPE 980 2 DIODE TYPE 1002 DIODE LED GREEN DI ODE LED RED DIODE LED AMBER FUSE A JACK COMPOSITE INPUT JACK SCA INPUT l JAC K CA INPUT 2 CONNECTOR lo CONTACTS CONNECTOR 6 CONTACTS JACK HOD DSC SAMPLE JACK RF SAMPLE JACK RF UUTPUT REACT JR lOlJt RF CHOKE R AC TUR lOUH MfHi t 0 200UA TRA lS ISTOR TYPE 2M 3D55 TRANSISTOR TYPE...

Страница 34: ...TANTALUM lOUF 20V TANTALUM 150UF 10 15V 150IIF 10 15V OOlUF 20 lOOOV CER OISC OO lU F 20 lOOOV CEk UISC 150UF 10 15V lOUF 20V TANTALUM 150PF 5 500V MJCA lOUF 20V TANTALUM 47UF 20V TANTALUM 47llF 20V TANTALUM l OUF 20V TANTALUM lOUF 20V TANTA LUM 47UF 20V TANTALUM 2 ZIIF 10 35V TANTA LU 1 2 ZUF 10 35V TANTALUM OUF 20V TANTAL UM lOUF 20V TANTALUM OOlUF 20 1000V CERAMIC DISC OOlUF 2CI 1000V CERAMIC D...

Страница 35: ...UHM 10 l tW 100000 OHM 10 l 4W 1500 JHM 10 l 4W 10000 OHM 10 l 4W 10000 OHM 10 l 4W 470 Q 1M 10 lW 22 OH 10 l 4W 330000 HM 1 l 4W 6800 UHM 10 l 4W 33000 OHM 10 4W 100000 OHM VARIABLE METER DAMP I N 1000 UHM 10 1 4W 10000 HM 10 l 4W 100000 OHM VARIABLE McTER l FRU 470 OrlM 10 l 4W 100000 OHM VARIABLE M 1NO CAL lOUOO OHM VARIABLE kIGHT MOO CAL 10000 OHM VAR ABLE LF MOll CAL SWITC H MONO COMPOSITE SW...

Страница 36: ...5741 RcACTJR RF CHOKE 0201 2t5179 TRANSISTOR TYPE 2M5179 0202 lt 5 179 TRANSi STOii TYPE 2115179 0203 442905 TRANSISTOR TYPE 2N4428 RESISTORS R20 l l o88bl 100 OHM 10 l 4W R202 3t 791 10000 OHM VARIABLE MODULATOR SENS R203 42t 213 4700 UHM 10 1 411 R204 108866 2200 dHM 10 1 411 R20 108866 2200 1lHM 10 l 4W R206 21 4 9 1500 JHM 10 l 41 1 R 07 10e11 1 l 00 OltM 10 1 4 R208 21 459 1500 JHM 10 1 41 1 ...

Страница 37: ...IT TYPE 723 MI SCElLANEOUS SOCKET TRANSISTOR FOR 0201 0202 SOCKET TRANSISTOR FOR Q203 RF AMPLIFIER BOARD CAPACITORS l5 60PF VARIABLE 820PF 5 500V MICA 47UF 20V ELECTROLYTIC lUF 75V DISC 820PF 5 500V MICA OOlUF lOOOV DISC OOlUF lOOOV DISC 15 60PF VARIABLE 47PF 51 SOOV H CA 15 60PF VARIABLE 47UF 20V ELECTROLYTIC lUF 75V DISC OOlUF lOOOV DISC 22PF 5 SOOV MICA 3 24PF VARIABLE 3 24PF VARIABLE 27PF 5 50...

Страница 38: ...IABL E FWO CAL 100 OllM 10 1 4 1500 IIHM 10 l 4W 10000 OHM VARIABLE REFL CAL 100 OIIM 10 111 tw HIGH FREQUENCY DIVIDER BOARD 00lUF l000V 22PF j j 500V MtCA 00l UF J000V NOT USED OlUF 20 50V CERAMIC DISC NOT USED OlUF 20 50V CERAMIC DISC DIODE TYPE 1N4154 RFACTLIR 22UH REACTUR RF CHUK TRANSISTOR TYPE 2N3563 TRANSISTOR TYPE 2N3563 TRANSISTOR TYPt 2N3640 TRANSISTOR TYPE 2N36i t6 2200 UHM 10 l 4W 8200...

Страница 39: ...No Description REFERENCE OSCILLATOR AFC BOARD CAPACITORS 3 24PF VARIABLE l5PF 5 N750 CERAMIC 820PF MICA OlUF 50V lOUF 20V ELECTROLYTIC OlUF 50V lOUF 20V ELECTROLYTIC lOUF 20V ELECTROLYTIC OlUF 50V lSoUF 15V ELECTROLYTIC 068UF 3 lOOV lUF 3 lOOV 0182UF 3 lOOV lOUF 20V OlUF 50V OlUF 50V 0047UF 3 lOOV 0047 JF 3 l OOV 2 2UF 35V 2 2UF 35V 031UF 3 lOOV 2UF 3 lOOV 820PF MICA lOUF 20V 150UF 15V DIODE TYPE ...

Страница 40: ... 10 l 4W 200 OHM VARIABLE 3l25HZ TUNING 390000 OHM 10 l 4W 10000 OHM 10 l 4W 10000 OHM 10 l 4w 10000 OHM 10 l 4W 4100 OHM 10 l 4W 2200 OHM 10 l 4W 47000 OHM 10 l 4W 10000 OHM 10 l 4W 47000 OHM 10 l 4W 3300 OHM 10 l 4W 4700 OHM 10 l 4W 2200 UHM 10 l 4W TEST POI NT RANGE TEST POINT YELLOW TEST POINT GREEN TEST POINT BLUE TEST POINT VIOLET TEST POINT GREY TEST POINT WHI TE TEST POINT BLACK TEST PQ NT...

Страница 41: ...E W OUND 470 UHM 10 1 W 1500 tlHM 10 l 2W 1000 JHM VARIABLE 13 5V AOJ 1500 OHM 10 l 2W 100000 OHM 10 l 2W 2200 OHM 10 l 2W 33000 OHM 10 l 2W 330 OHM 10 l 2W 6800 J HM 10 l 2W 2200 UHM 10 l 2W 12 OHM 5W WIRE WOUND 1500 OHM 10 l 2W 100000 OHM VAR I ABLE MAX SET TEST POINT RED TEST POINT ORANGE TEST POINT BLACK I NTEGRATED CIRCUIT TYPE 723 INTEGRATED CIRCUIT TYPE 723 MISCELLANEOUS SOCKET FOR U601 U60...

Страница 42: ...ircuit LM309K Integrated Circuit LM318 Crystal 5 MHz Oven Crystal Or Remote Locations Symbol Cl CR201 CR204 CR301 CR302 CR401 CR501 thru CR504 CR601 CR602 CRl 01 CRl CR202 CR203 CR3 CR4 CR5 Fl Kl QlOl thru Ql06 Q503 Q504 Q505 Ql Q2 Q401 Q402 Q502 Q403 Q601 Q50l Q203 Q201 Q202 Q506 Q302 Q30l Rl02 R234 R519 R607 R112 Rl20 Rl22 Rl24 Rl28 Rl30 Rl53 Rl 54 R202 R310 R313 Rl47 Rl50 Rl52 R617 R530 Tl T2 U...

Страница 43: ... I Ll ATOR SAMPL E 4 L11q R SAMPLE 87 108 MHi t 87 108 eomw 80mW MODULAT I NG SI GNAL 87 108 MH1 30 Hl TO 180 M th 200m W R r MODULA T ON R r r O JTP JT I NPUT OU T PUT I NPUT OUTPUT 87 1 0 8MH1 17WATlS I FPEOU NC Y COI ITROL S IGNAL D T n M C I NPU T IMANUAL f EOUENCY A OJUST A H C t FC OUT 1t 1QOVL A l 0 I I Ff_ F AM PLIF I ER 0 S C MOOUl E M ODUL SA MP L E TO OIVIOE I 67 108 MHl IO m W I l R F ...

Страница 44: ...12 eu Arc 9 AF Arc L OIYlOER ps z ps 1 s GRN TO YE GRN TO ORL 14 V RMS GAN TO RENO 15 5 V RMS 17VRMS REPLACE FOR zoa LK WH S l C t L 7 CA3 POWER LED GRN 2 2 2 J6 13 SV r MODULATION INPUT I I I I I 3 AFC INPUT L_ RF SA MPLE RF 7 OUTPUT 6 MOO OSC osc 91C70l 2 20A26H 5IA5784 RF SAMPLE BUff ER _ f_ _J MTR Sl A6 REf OSC AFC AFC 9 1c 7015 ZOA2635 5 1A5740 7 I I I I 1 _J AOJ 8 S 3 6 O F RADIATE MTR SI A7...

Страница 45: ...c105 6 800PF 1Sl03 0 25 o PRE EMPHASIS SWITCHES MTR LE FT MOO 1 10 PHASE SPLITTER FROM METER SWITCH LEFT METER CAL 13 5V IOOK R135 13 5V I K Rl36 1 6V P P 9 5 Rl38 100K 118 rf 50PF 5 6 L J VV v VV r NOTES 13 5V 0 13 5V I L 31C03 4 I UNLESS OTHERWISE SPECIFIEO RESISTOR VALUES ARE IN OHMS 1 4 W 10 CAPACITOR VALUES ARE IN MICROFARAOS 100 0103 2N2924 100 Cl20 20 l 47 20 UIOI 318 4990 RN60D Rll3 1 IOK ...

Страница 46: ...4 6 8pf NPO 88105 f 7 C209 c2I0 I l NPC N750 SEE NOTE 2 FREQ 87 92 C209 C210 R207 22NP0 22N750 1001 OSCILLATOR BUFFER VOLTAGE REGULATOR C2I5 C2I6 10 20 1 oo C211 1 16 pF C2I8 I15pFNPO 9V C238 1 10120 C223 C222 OOI 012ol I 0201 2N5I79 C22I 33pF NPO 218 10 l 2W R2I5 6800 R22I 10 R222 2200 7V 10 2 3 4 C227 001 U2O1 II I3 5V 723 12 5 6 7V 13 7 L207 4 7µH C228_L C229 1 C225 1 16 pF R220 IK L208 27vH 02...

Страница 47: ...L30 C309 C3I0 C 317 C 313 15 60 R301 47 PF 47 RFC PF SEE NOTE 2 NOTES UNLESS OTHERWISE SPECIFIED RES I STOR VALUES ARE I N OHMS I 4W 10 CAPACITOR VALUES ARE IN MICROFARADS 2 C313 USED BELOW 100 MHz ONLY 3 P W BOARD IS SHOWN WITHIN DASHED INES R305 IIL306 3 24 47PF 15 60 47 PF PF RFC C3 I 6 22 PF RF SAMPLE J 30 2 LOW PASS L3I I L310 3 2001 02 27PF 27 PF F I LTER L3 I 2 3 2001 0 1 43PF 20PF 41 42 DI...

Страница 48: ... 14 PLACES a I I I C414 U405 J 01 7 4l S190 I I L_ TL rh I I I L LO 14 5V C41 J 01 H8 0 8 FREQUENCY SELECT I ON LO C PROGRAMMABLE HUN0R 0S H2 8 U404 15 74LSl90 12 DIVIDERS TENS ro v OF PLu INI i lA419 1200 4 r 1 1 C2 0 IP402 YCL NORM 2V I rAIL 2 OR l 8V TP404 I 1562 5 HI J1_f R430 _ _ _ _J C IC10t4 Mt V 0 UNLESS OfHERWISE SP CIFIEO 0 2 g RESISTO VALU S ARE IN OHMS l 4W 10 CAPACITOR VALUES ARE IN M...

Страница 49: ...6 6 rh ni I I I I 6 6rh 6 6 I I n C419 01 I I I NOAM 2V I I I o 3o t I 4700 4 PLACES R415 I I 16 B C414 J 01 U405 741 190 I I I M M I I I L_ 3K048 UNLESS OtHERWISE SPECIFIED RESISTOR VALUES ARE IN OHMS l 4W 10 CAPACITOR VALU S AR IN lrlllCROFA uos I I I I R416 4 3 ov R417 v ov 15 14 I I I R420 OV OV w OV 10 IV 16 0 C B C417 U403 i o 74t 19 t rJ 13 14 I I I I l 1 12 V M417 VV av IO I I IO 11o111 I ...

Страница 50: ... l 01 50 5 U504 7493 10 II 14 C510 l 01 50 5 U505 7493 2 12 10 AFC LOOP COMPENSA rlON RSZ3 C520 C521 39K 10 20 10 20 vv n H R524 470K TP506 GRY 1 13 5V 13 5V I c511 5v 1 i r cb 5V I0 20 C512 10 20 1_ 1 r I ONO R509 IK LOW FREQ DIV TO METER SWITCH 13 5V 3TOtl2V 8V TYPICAL I I I I I l U507 741 R525 33K R526 IK R527 1000 C523 01 50 AFC VOLTAGE TO MOO OSC AFC VOLTAGE 1 9 TO METER SWITCH 250Hz I dB TCH...

Страница 51: ...6800 10 II 12 6 5 7 Q2 2N3055 I2 n 5W 2 U602 723 13 3 4 ADJUSTABLE B TO 11 V TO RFA 2 7 TP602 ORN 5TO IIV MAX SET R6I7 IOOK 13 C606 I 2 2 35 I C604 I 8V 14 001 47 48 RI IOK RF OUTPUT LEVEL R6I4 2200 11 L _ __ ______ ___ ___ 4 ___ 4 __ __ 41 _T___ _ 1 R6I6 1500 I 3K030 NOTES L CR3 L E D GRN 1 UNLESS OTHERWISE SPECIFIED 0 POWER 11 RESISTOR VALUES RE IN OHMS l 2W 10 CAPACITOR VALUES RE IN MICROFARADS...

Страница 52: ...1 REVO NOTES I UNLESS OTHERWISE SPECIFIED CAPACITOR VALUES ARE IN PICOFARADS 2 FOR PWB LAYOUT SEE FIGURE 22 Figure 14 Audio LPF Audio and Metering Board Schematic I R2 I 820 0 GJ I I I RI R4 I 820 820 I 3 I R3 8 20 I 3K027 NOTES 91A70 17 REVO I UNLESS OTHERWISE SPECIFIED RESISTOR VALUES ARE IN OHMS 1 4W 10 2 FOR PWB LAYOUT SEE FIGURE 23 Figure 15 Input Pad Main Frame Schematic ...

Страница 53: ... IK206 20A2638 REV Cl NOTES 51A5739 REV 0 I UNLESS OTHERWISE SPECIFIED RESISTOR VALUES ARE IN OHMS l 4W 10 CAPACITOR VALUES ARE IN MICROFARADS 2 STIMPSON GS 4 6 INSTALL THIS SIDE SOLDER ON FAR SIDE Figure 16 Audio and Metering Board PWB Layout ...

Страница 54: ...l l l f N rm202 111 2 N lllt i C I0 C212 0 o l ffl o 201 R TP 201 0 Q lg 111 r Ct09 C ORN SJ g 111 R 2 0 C 211 Q go C 2J 1 16 ll lfP Tf J _ C 2 0 1 S L204 _ 21 1Po 1 ooz IUI P J o THRU 20A2637 REV 0 51A5784 REV 0 C207 2 20 pF OHMS 1 4W 10 CAPACITOR VALUES ARE IN MICRO FARADS 2 ALL COMPONENTS TO GND PLANE MUST BE SOLDERED ON BOTH SIDES OF BOARD 3 FREQUENCY DEPENDENT PARTS INSTALLED IN FINAL TEST C2...

Страница 55: ...i 3 2001 01 u w JI O n I ta 8 N l I g 1 OI 27pF I K202 COAX RG 17 4 U WH YEL 2 2 TO C 334 NOTES I UNLESS OTHERWISE SPECIFIED RESISTOR VALUES ARE IN OHMS 1 4 10 CAPACITOR VALUES ARE IN MICROFARADS 2 DENOTES USECO TE RMINAL 1 481A 9 II SOLDER IN PL ACE AS SHOWN 3 C313 USED BELOW 1 00 MHz INSTALLED IN FINAL TEST l 3 0 5 o 0 1 3 2 0 1 7 i n o T n co o c 3 12 LsEE J12 D NOTE 3 47 C3 11 r R306t o C 3 15...

Страница 56: ... UNLESS OTHERWISE SPECIFIED RESISTOR VALUES ARE OHMS l 4W 10 CAPACITOR VALUES ARE IN MICROFARAD 2 ALL COMPONENTS TO GND PLANE MUST BE SOLDERED ON BOTH SIDES OF BOARD 20A2636 REV 0 51A5738 REV 0 Figure 19 High Frequency Divider PWB Layout 53 ...

Страница 57: ...w SteamPoweredRadio Com 54 C 503 Figure 20 V J w X N j N ll 1 I C t er ON CD N lfl I I u 1 l_ 3 w Vt 0 0 I_ r N D t 0 z 0 E 0 V R 534 0504 2N2924 C 528 3 o C 531 w 0 z Reference Oscillator AFC PWB Layout ...

Страница 58: ...o IK204 NOTES TP 02 8 n a o o 0 0RN r I Lili cs Rfol5 L11 l r1 rl i _ 00 s i5 JI J i L 0 0 0 0 0 0 5 Ii T 8 9 10 C t OG 0 2 21 ll USE 4 IO SMALL PATTER I I NUT 0 0 0 0 0 0 12 11 l i 15 U 11 20A2634 REV 0 51A5742 REV 0 WITH SPLIT R ING LOCKWP SHE R 2 PL C 5 I UNL ESS OTHERWISE SPECIFIED RESISTOR VALUES ARE IN OHMS l 2W 10 CAPACITOR VALUES ARE IN MICROFARAOS 0 Ii V1 V1 ...

Страница 59: ...0 NOTE I UNLESS OTHERWISE SPECIFIED CAPACI TOR VALUES ARE IN PICOFARADS Figure 22 Audio LPF PWB Layout 0 0 0 0 0 0 V J N 0 0 0 2 0 4 0 0 I 3 5 IK207 20A2640 REV 0 NOTES 51A5787 REVO I UNLESS OTHERWISE SPECIFIED RESISTOR VALUES ARE IN OHMS 1 4 W 10 Figure 23 Input Pad PWB Layout ij ij l1 208 20A2641 REV 0 51A5790 REV 0 Figure 24 Power Distribution PWB ...

Страница 60: ...KI SXKI llC POWER SOt RCE s 2 BRllSS II VER WHT 8LK IVHT INT RFl1CE Rl10111IE P llNEL Ml 561071 hi s J IC ut TU TS FOR POWER COROS ON U CITCR INIT S T i Q 70 EXCI TER NOTE IVHEN STEREO OR SC1 1 6 INPUT PLt G GENER lTOR IS SEO THI S CONNECTION REPL1 1CEO WITH e fl Rr 0 ITPI T TO Mt 561067 INTERCONNECT 7cR J TRIINSMITTER CllBlE 01 TPUT JI CK Figure 25 Interface Panel Schematic 57 ...

Страница 61: ... r 8 l BTE 115 EXCITER 0 A JJ A INTER FACE PANEL A l vl 2 BTS 1O1 STEREO GENERATOR B 8 s A A BTX 1O1 SCA GENERATOR e A A 8 BTX 1O1 SCA GENERATOR l i jOLE lEGEN D Ol DESCR PTION QH A 190 10 32 THD 2 0 e 2Z8 O IA MOLE WIT 39 1 00 0 1 a2 c si TlrMPLATE 37 4 Z 738 J r TlffSI H 0l CS 1 ALRl ADY 8E IN ul lr A I 8 8 s 0 a e 0 e 9 A n co ...

Страница 62: ...www SteamPoweredRadio Com G Comm al Communications Systems Division 88739M ...

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