RF Technology R50 Eclipse Series Скачать руководство пользователя страница 26 | Manualshive

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Page 22

RF Technology R50

The External Squelch Input can be connected to the T/R Relay pin on Eclipse

transmitters mute the receiver during transmission.

7.5 Connector s

7.5.1 Antenna Connector

Type N Female Mounted on the module rear panel

7.5.2 Power & I/O Connector

25 pin "D" Male Mounted on the rear panel

7.5.3 Test Connector

9 pin "D" Female mounted on the front panel

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Содержание R50 Eclipse Series

Страница 1: ...ogy rfinfo rftechnology com au August 2003 Revision 2 R50 Receiver Operation and Maintenance Manual This manual is produced by RF Technology Pty Ltd 10 8 Leighton Place Hornsby NSW 2077 Australia Copy...

Страница 2: ...9 PIN FRONT PANEL CONNECTOR 6 4 CHANNEL PROGRAMMING AND OPTION SELECTIONS 6 5 CIRCUIT DESCRIPTION 7 5 1 R50 MASTER SCHEMATIC SHEET 1 7 5 2 MICROPROCESSOR SHEET 2 7 5 3 RF SECTION SHEET 3 9 5 4 5 4 RE...

Страница 3: ...4 12 Modulation Acceptance BW 19 7 4 13 Noise Squelch 19 7 4 14 Carrier Level Squelch 19 7 4 15 Receiver Frequency Spread 20 7 4 16 Receiver Conducted Spurious Emission 20 7 4 17 Audio Frequency Respo...

Страница 4: ......

Страница 5: ...shold The audio from the 600 Ohm line output and the direct audio output is not effected by the switch position 1 1 3 N SQ The N SQ trimpot is used to set the noise squelch sensitivity Use the followi...

Страница 6: ...hen turn the screw back until the LED just comes ON 1 1 5 LINE The LINE trimpot is used to set the line and direct audio output levels It is normally set to output 0dBm on the Line output when the car...

Страница 7: ...ow alarm 2 3 LOOP Volts Select By default when the squelch opens and the Line output audio is enabled 12V is applied to the Line Line pair through 680 ohms The 12V power source is removed when the squ...

Страница 8: ...can be programmed for each channel One of these advanced features is to program up to 8 frequencies on a channel When this is done we refer to the channel as a slot to avoid confusion as many people e...

Страница 9: ...tone or DCS code 3 Receiver I O Connections 3 1 25 Pin Connector The female D shell 25 pin connector is the main interface to the transmitter The pin connections are described in Table 3 Function Sign...

Страница 10: ...e described in table 4 Function Pins Specification Pin name on IBM PC TXD 2 Transmit Data Output RxD RXD 3 Receive Data Input TxD RTS 8 Request To Send Output CTS CTS 7 Clear To Send Input RTS DTR 6 D...

Страница 11: ...3 and D104 represent the three front panel LEDs 5 2 Microprocessor Sheet 2 Sheet 2 describes the basic microprocessor circuitry The core CPU is the Motorola XC68HC12A0 It is configured in 8 bit data w...

Страница 12: ...verter DAC that sets the levels for the 12MHz reference oscillator bias voltage 21 855MHz oscillator bias voltage noise squelch comparator bias voltage and the LCD bias circuit see 5 4 CH_EN is a seri...

Страница 13: ...will be held in reset until VCC is at the correct level Thus the PWR_OK LED will only light when VCC is within specification and RESET has been released S200 is a momentary push button switch that whe...

Страница 14: ...4 is level shifted and inverted by Q408 to create the blanking signal N_BLK C470 R416 and R414 act to slew the negation of N_BLK without affecting the slew rate of the assertion of N_BLK U303C provide...

Страница 15: ...nated audio signal is amplified by U605A and then fed into the Audio Section Sheet 6 Pin7 of U401 is the Radio Signal Strength Indicator RSSI output U402D is a buffer The RSSI voltage is converted to...

Страница 16: ...tting the bit rate for NRZ data U602 has a built in high pass filter between pins 10 and 11 which can eliminate any subtone or low frequency NRZ data Whilst the Microcontroller can enable or disable t...

Страница 17: ...is a 4 096V 3 reference diode Its output is buffered by U906 which then produces a reference voltage rail Vref which is used by the CPU s A D converter and the DACs and also in the voltage to current...

Страница 18: ...his section The firmware will requests the user for information as to meter readings and or to attach or adjust an AF signal generator The firmware based calibration program can be accessed from a ter...

Страница 19: ...are will expect 57600 BPS and No Parity Note well that if you do change any of these the change will not take effect until you power down the receiver and then power it up again As an alternative to p...

Страница 20: ...ver of the receiver find out the test point TP209 on receiver PCB using a frequency counter to measure the frequency and follow the instruction as bellow Measure the ECLK frequency accurate to 0 5Hz a...

Страница 21: ...TCSS tone can be programmed for each channel This means that each channel number can represent a unique RF and tone frequency combination 7 1 3 DCS From Rev 4 hardware and Rev 4 firmware support for D...

Страница 22: ...ing Red LED 7 3 3 Test Points There are no front panel test points All important test points are monitored by the firmware 7 4 Electrical Specifications 7 4 1 Power Requirements Operating Voltage 16 t...

Страница 23: ...204C 7 4 10 Spurious and Image Rejection 90dB 7 4 11 Intermodulation 80dB 7 4 12 Modulation Acceptance BW 7 5KHz 7 4 13 Noise Squelch a Adjustment range 6 26dB SINAD b Attack time 20mSec Above 20dB Qu...

Страница 24: ...b Audio Nominally equal to 1 volt peak at rated system deviation 7 4 19 Audio Distortion With 750 uSec De Emphasis Less than 3 at 1 KHz and 60 of rated system deviation With Flat Response Less than 3...

Страница 25: ...its are valid then the code is extracted and compared with the code defined for that channel or one of the transformations of that code If the squelch is closed and a period of 120 milliseconds occurs...

Страница 26: ...ay pin on Eclipse transmitters mute the receiver during transmission 7 5 Connectors 7 5 1 Antenna Connector Type N Female Mounted on the module rear panel 7 5 2 Power I O Connector 25 pin D Male Mount...

Страница 27: ...1 77 0 A2 79 7 C2 82 5 B2 85 4 C3 88 5 A3 91 5 C4 94 8 B3 100 0 A4 103 5 B4 107 2 A5 110 9 B5 114 8 A6 118 8 B6 123 0 A7 127 3 B7 131 8 A8 136 5 B8 141 3 A9 146 2 B9 151 4 A10 156 7 B10 162 2 A11 167...

Страница 28: ...603 46 63Y1 100N C221 Capacitor 100N 80 20 Y5V 25V 0603 46 63Y1 100N C222 Capacitor 100N 80 20 Y5V 25V 0603 46 63Y1 100N C224 Capacitor 100N 80 20 Y5V 25V 0603 46 63Y1 100N C225 Capacitor 100N 80 20 Y...

Страница 29: ...PO 50V 0603 46 63N1 270P C420 Capacitor 180P 5 NPO 50V 0603 46 63N1 180P C421 Capacitor 68P 5 NPO 50V 0603 46 63N1 068P C422 Capacitor 68P 5 NPO 50V 0603 46 63N1 068P C423 Capacitor 390P 5 NPO 50V 060...

Страница 30: ...3 46 63N1 015P C476 Capacitor 15U 6 3V A CASE ELECTROLYTIC 45 STSA 10U6 C477 Capacitor 18P 5 NPO 50V 0603 46 63N1 018P C478 Capacitor 18P 5 NPO 50V 0603 46 63N1 018P C479 Capacitor 33P 5 NPO 50V 0603...

Страница 31: ...5 NPO 50V 0603 46 63N1 010P C536 Capacitor 15P 5 NPO 50V 0603 46 63N1 015P C537 Capacitor 15P 5 NPO 50V 0603 46 63N1 015P C538 Capacitor 15P 5 NPO 50V 0603 46 63N1 015P C539 Capacitor 10N 10 X7R 50V 0...

Страница 32: ...Y5V 25V 0603 46 63Y1 100N C630 Capacitor 22N 10 X7R 50V 0603 45 X7R1 022N C632 Capacitor 100N 80 20 Y5V 25V 0603 46 63Y1 100N C633 Capacitor 100N 80 20 Y5V 25V 0603 46 63Y1 100N C634 Capacitor 100N 80...

Страница 33: ...iode Dual GP BAV99 SOT23 21 3010 AV99 D906 Diode Schotky 40V 1A SMD 24 BRM1 40T3 D907 Diode Schotky 40V 1A SMD 24 BRM1 40T3 D908 Diode Schotky 40V 1A SMD 24 BRM1 40T3 D909 Diode Schotky 40V 1A SMD 24...

Страница 34: ...tor 27NH 5 0805 37 8551 027N L515 Inductor 39NH 5 37 AC52 039N L517 Inductor 560NH 5 0805 37 8551 560N L516 Inductor 33NH 5 0805 37 8551 033N L901 BLM31 FERRITE BEAD 100mA 1206 37 P034 0001 L902 Induc...

Страница 35: ...W 51 8511 02K7 R206 Resistor 0805 2K2 5 1 8W 51 8511 02K2 R207 Resistor 0805 68K 5 1 8W 51 8511 068K R209 Resistor 0805 270R 5 1 8W 51 8511 270R R210 Resistor 0805 10K 5 1 8W 51 8511 010K R211 Resisto...

Страница 36: ...8W 51 8511 150K R319 Resistor 0805 150K 5 1 8W 51 8511 150K R320 Resistor 0805 4K7 5 1 8W 51 8511 04K7 R321 Resistor 0805 4K7 5 1 8W 51 8511 04K7 R322 Resistor 0805 22K 5 1 8W 51 8511 022K R323 Resist...

Страница 37: ...1 8W 51 8511 022K R442 Resistor 0805 1K 5 1 8W 51 8511 001K R443 Resistor 0805 1K 5 1 8W 51 8511 001K R444 Resistor 0805 100K 5 1 8W 51 8511 100K R445 Resistor 0805 2K2 5 1 8W 51 8511 02K2 R446 Resist...

Страница 38: ...Resistor 0805 22R 5 1 8W 51 8511 022R R549 Resistor 0805 47R 5 1 8W 51 8511 047R R601 Resistor 0805 2K7 5 1 8W 51 8511 02K7 R602 Resistor 0805 10K 5 1 8W 51 8511 010K R603 Resistor 0805 3K3 5 1 8W 51...

Страница 39: ...5 1 8W 51 8511 02K2 R652 Resistor 0805 680R 5 1 8W 51 8511 680R R653 Resistor 0805 0R Jumper 51 8511 000R R654 Resistor 0805 2K2 5 1 8W 51 8511 02K2 R655 Resistor 0805 220K 5 1 8W 51 8511 220K R656 R...

Страница 40: ...IC Audio Amplifier 5W TDA2003 25 2070 2003 U605 IC Quad OP Amplifier LM224 SO14 29 000L M224 U607 IC Quad SPST DG411 SO16 29 00DG 411C U609 IC Quad OP Amplifier LM224 SO14 29 000L M224 U907 IC Switch...

Страница 41: ...ATOR FIL403 X401 CERAMIC DISC 455KHz CERAMIC FILTER 455KHz CERAMIC FILTER X402 21 855MHz U401 FM IF RECEIVER CHIP 1ST VCO 2ND VCO Q501 Q502 X402 REF DUAL PLL CHIP U302 IST VCO BUFFR AMP 2ND VCO BUFFR...

Страница 42: ...38 D9 BAW56 MOSI SCLK 5V R3 100K R4 100K R5 100K R6 100K R7 100K R8 100K R9 100K R10 100K CH1 CH2 CH4 CH8 CH10 CH20 CH40 CH80 PTT_IN T R_RELAY LINE2 LINE2 TONE TONE LINE LINE GPS GPS CH_EN CS2 5V PA_C...

Страница 43: ......

Страница 44: ...13 RX_OUT 15 RX_SUB_OUT 17 COMP 20 WAKE 23 COMP_OUT 21 U602 FX805 D603 BAV99 R614 10K R636 100K R625 100K R623 330K R626 100K C606 1uF 5V R613 10K R620 22R R611 1K5 GND R615 3K3 R642 39K R643 33K R644...

Страница 45: ...R544 22R C513 100nF R549 47R C506 1uF C535 10pF L515 1812SMS 39NJ GND D502 MMBV109 C555 4p7F GND C521 10nF R511 1K GND 1st_LO 2nd_LO C552 330pF C543 10nF 1st_LO 2nd_VCO_OUT GND GND M501 GND 1st_PLL_IN...

Страница 46: ...2335L PLL_SEL 14 13 12 U303D LM224 2 3 1 U303A LM224 R318 150K R319 150K R323 22K R322 22K C318 10uF C319 10uF GND 1st_LO_BIAS 2nd_LO_BIAS C302 100nF REF_ADJ GND GND GND RSSI DISC LCD_BIAS LCD_BIAS 1s...

Страница 47: ...50MHz LOWPASS FILTER frontend filter Simulation file c eagle work 9LP 9HP SCH 1 2 3 4 5 6 MX401 ADE 1H 2nd_LO 2nd_LO C411 330pF C476 1uF R444 100K N_DET 2 3 1 U402A LM224 5 6 7 U402B LM224 9 10 8 U40...

Страница 48: ...T3 L902 DS5022P 224 GND C938 100uF Tantalum ESR 0 3 ohms Max output current is 1A 12V Output current 1mA TP909 12V GND 3 GND 6 Vout 1 EN 5 Vin 2 FB 4 U909 LM2595S 5 GND 3 GND 6 Vout 1 EN 5 Vin 2 FB 4...

Страница 49: ...100nF C210 100nF GND GND C206 100nF C205 100nF C204 100nF C207 100nF GND GND GND RESET R W CS0 CSD CSP0 FWT FRD RAMRD RAMWT FRDY FRDY VCC 20 GND 10 C 11 E 1 O7 2 O6 19 O5 5 O4 16 O3 6 O2 15 O1 9 O0 12...

Страница 50: ...D_BIAS Fo_PLL AGND RF Section RF Sch COS COS SUBTONE DISC_AUD DIR_AUD LINE_O P1 LINE_O P4 EXT_SPEAKER LINE_LEVEL MOSI SCLK CTCSS_SEL MON_SQ FLAT DE_EMPHA SUBTONE_IRQ LOOP VOLTS_SEL COS_VOLTS_ON OFF SQ...

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