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Furuno FS-2570 Technical Information

Test report on the performance of marine ssb radio telephone
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See also: Operator's Manual , Installation Manual
Pub. No.: SB-2241
Date : November 1, 2002
TECHNICAL
INFORMATION
TEST REPORT ON THE PERFORMANCE OF
MARINE SSB RADIO TELEPHONE
Trade Name: FURUNO
Type: FS-2570
FURUNO ELECTRIC CO., LTD.
NISHINOMIYA CITY, JAPAN

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  • Page 1 Pub. No.: SB-2241 Date : November 1, 2002 TECHNICAL INFORMATION TEST REPORT ON THE PERFORMANCE OF MARINE SSB RADIO TELEPHONE Trade Name: FURUNO Type: FS-2570 FURUNO ELECTRIC CO., LTD. NISHINOMIYA CITY, JAPAN...

  • Page 2: Date : November

    Date : November 1, 2002 November 1, 2002 All data herein contained is true and correct to my best knowledge. Masayuki Mori Manager Radio Communication Engineering Section, Research and Development Department, Marine Electronic Products Division FURUNO ELECTRIC CO., LTD. Page 1 of...

  • Page 3: Table Of Contents

    Pub. No.: SB-2241 Date : November 1, 2002 ***** CONTENTS ***** GENERAL INFORMATION....................3 Specifications.......................3 List of Test Equipment Used ..................4 IDENTIFICATION OF EQUIPMENT (FCC Rule Part 2.925) ...........6 TEST DATA........................7 RF POWER OUTPUT (FCC Rules Part 80.215 & 2.1046) ........7 MODULATION CHARACTERISTICS (FCC Rule Part 2.1047) ......10 3.2.1 Audio Frequency Response (FCC Rules Part 2.1047 (a) &...

  • Page 4: General Information

    Pub. No.: SB-2241 Date : November 1, 2002 GENERAL INFORMATION 1 . 1 Specifications (a) Manufacturer: Furuno Electric Co., Ltd., Ahihara-cho 9-52, Nishinomiya-city, 662-8580 Japan (b) Model: FS- 2570 (Serial No.: 3536-0002) (c) Frequency Range: 1.6 to 27.5 MHz (transmit) 0.1 to 29.9 MHz (receive)

  • Page 5: List Of Test Equipment Used

    Pub. No.: SB-2241 Date : November 1, 2002 1 . 2 List of Test Equipment U s e d SPECTRUM ANALYZER Manufacturer: Takeda Riken Model: TR 4173 S/No: 85580030 50 Ω LOAD/ WATT METER: Manufacturer: Tokyo Denpa Model: DJ 522-OH-2 DC to 30 MHz: 50 Ω...

  • Page 6: Date : November

    Pub. No.: SB-2241 Date : November 1, 2002 OSCILLOSCOPE: Manufacturer: SONY TEKTRONIX Model: 2445 S/No: B02576 STORAGE OSCILLOSCOPE: Manufacturer: TEKTRONIX Model: 2330 S/No: 300462 MODULATION ANALYZER: Manufacturer: HEWLETT PACKERD Model: 8901B S/No: 2718A01184 Page 5 of...

  • Page 7: Identification Of Equipment (Fcc Rule Part 2.925)

    Pub. No.: SB-2241 Date : November 1, 2002 IDENTIFICATION OF EQUIPMENT (FCC Rule Part 2 . 9 2 5 ) The following nameplates are permanently fixed on the equipment. FCC ID: ADB9ZWFS2570 Material of nameplate: Polyester film t 188 µm ON TRANSCEIVER UNIT: (mm) ON ANTENNA COUPLER UNIT:...

  • Page 8: Test Data

    3 . 1. 1        Method of Measurement The FS-2570 is connected with measuring equipment as shown in Fig. 3.1.1. Supply voltage is set to 24 VDC. An ammeter is connected in series with collector of each final stage transistor.

  • Page 9: Date : November

    Pub. No.: SB-2241 Date : November 1, 2002 3 .1 .2 Test Result Results are shown in Table 3.1.1 Table 3.1.1 Frequency Class of Supply Collector PEP (W) (kHz) Emission Voltage Current (A) (VDC) 1605.0 2182.0 3023.0 16.8 4065.0 18.8 6200.0 18.8 8195.0...
  • Page 10 Pub. No.: SB-2241 Date : November 1, 2002 3.1.3.2 AM: m ・ A Average power: Pa = (1+ ------- )・Pc where, Pc: carrier power, m: depth of modulation. (A/√2) While, Pc = -------------- ---------- and, Vpp = 2 (1 + m)・A Therefore, Pc = --------・( --------------- ) = ----------------------...

  • Page 11: Modulation Characteristics (Fcc Rule Part 2.1047)

    3 . 2 . 1 . 1 Method of Measurement The FS-2570 is connected with measuring equipment as shown in Fig. 3.2.1.1. A single audio tone is applied to the transmitter and varied over the range 100 to 5000 Hz.
  • Page 12 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.2.1.2 Audio Frequency Response Page 11 of...

  • Page 13: Power Limiting Vs. Audio Input Voltage (Fcc Rule Part 2.1047)

    3 . 2 . 2 . 1 Method of Measurement The FS-2570 is connected with measuring equipment as shown in Fig. 3.2.2.1. 2 audio tones of 400 Hz and 1800 Hz are applied to the transmitter in equal level. The input level is varied and PEP is measured.
  • Page 14 Pub. No.: SB-2241 Date : November 1, 2002 3 . 2 . 2 . 2 Test Result Measurement is made on frequency 4065 kHz. The results are shown in Fig. 3.2.2.2. Fig. 3.2.2.2 Power Limiting vs. Audio Input Voltage Page 13 of...

  • Page 15: Occupied Bandwidth (Fcc Rule Part 2.1049)

    OCCUPIED BANDWIDTH (FCC Rule Part 2 . 1 0 4 9 ) 3 . 3 . 1 Method of Measurement The FS-2570 is connected with measuring equipment as shown in Fig. 3.3.1. 2 audio tones of 400 Hz and 1800 Hz are applied, in equal level, to the transmitter. The level is adjusted to 10 dB above the level producing PEP output of 250 W for test frequencies 4 MHz or below.
  • Page 16 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.3.2 - (Fc: 1.6 MHz, J3E) Fig. 3.3.3 - (Fc: 2 MHz, J3E) Page 15 of...
  • Page 17 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.3.4 - (Fc: 3 MHz, J3E) Fig. 3.3.5 - (Fc: 4 MHz, J3E) Page 16 of...
  • Page 18 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.3.6 - (Fc: 6 MHz, J3E) Fig. 3.3.7 - (Fc: 8 MHz, J3E) Page 17 of...
  • Page 19 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.3.8 - (Fc: 12 MHz, J3E) Fig. 3.3.9 - (Fc: 16 MHz, J3E) Page 18 of...
  • Page 20 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.3.10 - (Fc: 18 MHz, J3E) Fig. 3.3.11 - (Fc: 22 MHz, J3E) Page 19 of...
  • Page 21 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.3.12 - (Fc: 25 MHz, J3E) Page 20 of...
  • Page 22 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.3.13 - (Fc: 1.6 MHz, F1B/J2B) Fig. 3.3.14 - (Fc: 2 MHz, F1B/J2B) Page 21 of...
  • Page 23 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.3.15 - (Fc: 4 MHz, F1B/J2B) Fig. 3.3.16 - (Fc: 6 MHz, F1B/J2B) Page 22 of...
  • Page 24 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.3.17 - (Fc: 8 MHz, F1B/J2B) Fig. 3.3.18 - (Fc: 12 MHz, F1B/J2B) Page 23 of...
  • Page 25 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.3.19 - (Fc: 16 MHz, F1B/J2B) Fig. 3.3.20 - (Fc: 18 MHz, F1B/J2B) Page 24 of...
  • Page 26 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.3.21 - (Fc: 22 MHz, F1B/J2B) Fig. 3.3.22 - (Fc: 25 MHz, F1B/J2B) Page 25 of...

  • Page 27: Emission Limitations (Fcc Rule Part 80.211)

    EMISSION LIMITATIONS (FCC Rule Part 8 0 . 2 1 1 ) 3 . 4 . 1 Method of Measurement The FS-2570 is connected with measuring equipment as in Fig. 3.4.1. The transmitter is modulated with 2 audio tones 400 Hz and 1800 Hz in equal level.

  • Page 28: Spurious Emissions At Antenna Terminal (Fcc Rule Part 2.1051)

    Pub. No.: SB-2241 Date : November 1, 2002 3 . 5 SPURIOUS EMISSIONS AT ANTENNA TERMINAL (FCC Rule Part 2 . 1 0 5 1 ) 3 . 5 . 1 Method of Measurement The transmitter is connected with measuring equipment as in Fig. 3.5.1. The transmitter is modulated with 2 audio tones 400 Hz and 1800 Hz in equal level.
  • Page 29 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.5.2 - (Fc: 1605 kHz, J3E) Fig. 3.5.3 - (Fc: 1605 kHz, J3E) Page 28 of...
  • Page 30 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.5.4 - (Fc: 2182 kHz, J3E) Fig. 3.5.5 - (Fc: 2182 kHz, J3E) Page 29 of...
  • Page 31 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.5.6 - (Fc: 3000 kHz, J3E) Fig. 3.5.7 - (Fc: 3000 kHz, J3E) Page 30 of...
  • Page 32 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.5.8 - (Fc: 4065 kHz, J3E) Fig. 3.5.9 - (Fc: 4065 kHz, J3E) Page 31 of...
  • Page 33 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.5.10 - (Fc: 6200 kHz, J3E) Fig. 3.5.11 - (Fc: 6200 kHz, J3E) Page 32 of...
  • Page 34 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.5.12 - (Fc: 8195 kHz, J3E) Fig. 3.5.13 - (Fc: 8195 kHz, J3E) Page 33 of...
  • Page 35 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.5.14 - (Fc: 12330 kHz, J3E) Fig. 3.5.15 - (Fc: 12330 kHz, J3E) Page 34 of...
  • Page 36 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.5.16 - (Fc: 16360 kHz, J3E) Fig. 3.5.17 - (Fc: 16360 kHz, J3E) Page 35 of...
  • Page 37 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.5.18 - (Fc: 18780 kHz, J3E) Fig. 3.5.19 - (Fc: 18780 kHz, J3E) Page 36 of...
  • Page 38 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.5.20 - (Fc: 18780 kHz, J3E) Fig. 3.5.21 - (Fc: 22000 kHz, J3E) Page 37 of...
  • Page 39 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.5.22 - (Fc: 22000 kHz, J3E) Fig. 3.5.23 - (Fc: 25700 kHz, J3E) Page 38 of...
  • Page 40 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.5.24 - (Fc: 25700 kHz, J3E) Page 39 of...

  • Page 41: Field Strength Of Spurious Radiation (Fcc Rule Part 2.1053)

    Fc, 456.5 kHz (Intermediate Frequency) and its harmonics, 72.4565 MHz (2nd LO frequency) and (72.4565 + Fc) MHz the level is recorded. Measurement is made for each of 3 planes of the FS-2570 to search the plane where most spurious radiation is found.
  • Page 42 DC Power Su pply Model GP035-50R S /N: 1 3086029 Spectrum Analyzer Takasago Model TR4173 S/N: 855800 30 Takeda Riken Fig. 3.6.1 Test Site: Roof-top of 6 story building as always done for Marine Radar Measurements, Furuno Electric Co., Ltd. Page 41 of...
  • Page 43 Pub. No.: SB-2241 Date : November 1, 2002 3 . 6 . 2 Test Result Tables 3.6.1 through 3.6.10 show the results. Table 3.6.1 Fc:1605.0 kHz Spurious Frequency Cabinet Radiation below Reference Level 2×Fc 3×Fc 4×Fc 5×Fc 6×Fc None detected to 120 dB 7×Fc 8×Fc 9×Fc...
  • Page 44 Pub. No.: SB-2241 Date : November 1, 2002 Table 3.6.3 Fc: 3023.0 kHz Spurious Frequency Cabinet Radiation below Reference Level 2×Fc 3×Fc 4×Fc 5×Fc 6×Fc None detected to 120 dB 7×Fc 8×Fc 9×Fc 10×Fc 456.5 kHz (3rd IF) 913.0 kHz (2×3rd IF) 72.0 MHz (2nd LO)
  • Page 45 Pub. No.: SB-2241 Date : November 1, 2002 Table 3.6.5 Fc: 8195.0 kHz Spurious Frequency Cabinet Radiation below Reference Level 2×Fc, 3×Fc, 4×Fc, 5×Fc, 6×Fc, 7×Fc, 8×Fc, 9×Fc, and 10×Fc 456.5 kHz (3rd IF) None detected to 120 dB 913.0 kHz (2×3rd IF) 72.0 MHz (2nd LO)
  • Page 46 Pub. No.: SB-2241 Date : November 1, 2002 Table 3.6.8 Fc: 18780.0 kHz Spurious Frequency Cabinet Radiation below Reference Level 2×Fc, 3×Fc, 4×Fc, 5×Fc, 6×Fc, 7×Fc, 8×Fc, 9×Fc, and 10×Fc 456.5 kHz (3rd IF) None detected to 120 dB 913.0 kHz (2×3rd IF) 72.0 MHz (2nd LO)

  • Page 47: Frequency Stability (Fcc Rule Part 2.1055)

    Takasago Fig. 3.7.1 Test set-up for Frequency Stability Measurements With the power switch off, the FS-2570 is left in the chamber until thermal equilibrium is achieved. Power is then applied and, after 15 minutes of warm-up, the reference oscillator frequency is measured.
  • Page 48 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.7.2 - Temperature vs. Frequency error (for Power supply voltage: 20.4 VDC) Page 47 of...
  • Page 49 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.7.3 - Temperature vs. Frequency error (for Power supply voltage: 24.0 VDC) Page 48 of...
  • Page 50 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.7.4 - Temperature vs. Frequency error (for Power supply voltage: 27.6 VDC) Page 49 of...
  • Page 51 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.7.5 - Lapse of time vs. Frequency error (at -30°C ) Page 50 of...
  • Page 52 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.7.6 - Lapse of time vs. Frequency error (at -20°C ) Page 51 of...
  • Page 53 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.7.7 - Lapse of time vs. Frequency error (at 0°C ) Page 52 of...
  • Page 54 Pub. No.: SB-2241 Date : November 1, 2002 Fig. 3.7.8 - Lapse of time vs. Frequency error (at +30°C ) Page 53 of...

  • Page 55: Suppression Of Interference From Receiver (Fcc Rules Part 80.217 And 2.1051)

    3 . 8 . 1 Method of Measurement Cabinet radiation is measured by the same setup with Fig. 3.6.1, and the distance between the FS-2570 and the receiving antenna is set to 3 meters to expand dynamic range. 3 . 8 . 2 Test Result 3 .

  • Page 56: Transmitter Power Adjustment Procedure (Fcc Rule Part 2.1033)

    (b) Apply two tones simultaneously at frequencies of 400 Hz and 1800 Hz with equal amplitudes to MIC input of FS-2570 at a level of -36 dBm. (d) Key the transmitter and adjust R76 (ALC) on B07 05P0736 TX-FIL Board to obtain 250 Wpep.

  • Page 57: Photographs To Reveal Equipment Construction And Layout (Fcc Rule Part 2.1033)

    Pub. No.: SB-2241 Date : November 1, 2002 PHOTOGRAPHS TO REVEAL EQUIPMENT CONSTRUCTION AND LAYOUT (FCC Rule Part 2 . 1 0 3 3 ) (See separate cover.) Page 56 of...

  • Page 58: Description Of Circuitry And Devices (Fcc Rule Part 2.1033)

    Pub. No.: SB-2241 Date : November 1, 2002 (FCC Rule DESCRIPTION OF CIRCUITRY AND DEVICES Part 2.1033) 6 . 1 Function of Each Semiconductor or Active Device (1) Antenna Coupler unit AT-1560-25 COUP Board: 05P0528 Symbol Component Type Function Q0001 2SC2498 RF AMP Q0002...
  • Page 59 Pub. No.: SB-2241 Date : November 1, 2002 U0011 MOS LGC TC74HC14AF-EL DATA DRIVER U0012 TLP181-GB-TPL RCV BZ CONT U0013 - 0014 SN75LBC179DR RS422 DRIVER U0015 MOS MPU M38881M2-153GP U0016 Ceramic Oscillator CSTCS12.5MTA-TC CLOCK OSC U0017 MOS LGC TC74HC14AF-EL DATA DRIVER U0018 - 0020 PC400 SERIAL DATA DRIVER...
  • Page 60 Pub. No.: SB-2241 Date : November 1, 2002 Q0010 2SC2712-Y-TE85L TX IF BUFF AMP Q0011 - 0012 DTA114EKAT146 MODE CONT Q0013 - 0015 DTB143EKT146 T/R CONT Q0016 DTC114EKAT146 NB CONT Q0017 - 0018 DTA114EKAT146 MODE CONT Q0021 2SC3123 BUFF AMP Q0022 2SK879-Y TE85L CHARGE PUMP...
  • Page 61 Pub. No.: SB-2241 Date : November 1, 2002 U0024 MOS LGC TC4066BFN-EL AGC CONT U0025 AD605AR-REEL RX 2ND IF AMP U0027 NJM4558M-T1 AGC CONT U0028 NJM2904M-T1 RF GAIN CONT/S METER AMP U0029 NJM2904M-T1 RX.AF AMP U0030 NJM1496V-TE1 TX 1AT MIX U0031 NJM1496V-TE1 AF ALC AMP...
  • Page 62 Pub. No.: SB-2241 Date : November 1, 2002 Q0002 - 0003 PMBFJ310 RX RF AMP Q0004 2SK210-GR TE85L 1ST IF AMP Q0005 2SC3123 1ST LO BUFF AMP Q0007 2SC2712-Y-TE85L 3RD LO BUFF AMP Q0501 2SC3123 BUFF AMP Q0502 2SK879-Y TE85L CHARGE PUMP Q0503 2SC1622A-L...
  • Page 63 Pub. No.: SB-2241 Date : November 1, 2002 Q0003 - 0004 SD1405 DRIVER AMP Q0005 2SD1297 18 V AVR Q0006 2SA1315-Y BIAS CONT Q0007 2SC1212AV-C BIAS CONT Q0008 2SD1271A-P BIAS CONT Q0009 MOS FET 2SK614 BIAS CONT U0001 NJM2904D BIAS CONT U0002 PC817X1 BIAS CONT...
  • Page 64 Pub. No.: SB-2241 Date : November 1, 2002 SW REG Board: 05P0737 Symbol Component Type Function CR0002 DIODE FML-22S RECT. Q0001 2SB941-P 18 V AVR. Q0002 2SD667A-C 18 V AVR. Q0004 MOS FET 2SK1432 SW REG DRIVE U0001 FA5504P SW REG CONTROL U0002 µPC1093J REF.
  • Page 65 Pub. No.: SB-2241 Date : November 1, 2002 U0011 TLP121-GB-TPR POWER ON CONT U0012 TA7805F-TE16L 5 V AVR C-CPU Board: 05P0729 Symbol Component Type Function Q0001 - 0005 DTD143EKT146 LED DRIVER U0001 M51957BFP C61J RESET CONTROL U0002 Ceramic Oscillator CSTCS12.5MTA-TC CLOCK OSC U0003 MOS MPU MB91101PF-G-BND-R...

  • Page 66: Description Of The Circuits Employed For Suppression Of Spurious Radiation, For Limiting Or Shaping The Control Pulse, And For Limiting Or Controlling Power

    Pub. No.: SB-2241 Date : November 1, 2002 6 . 2 Description of the circuits employed for suppression of spurious radiation, for limiting or shaping the control pulse, and for limiting or controlling power (See separate cover.) Page 65 of...

  • Page 67: P Erator's Manual Incl. Circuit Diagrams (Fcc Rule Part 2.1033)

    Pub. No.: SB-2241 Date : November 1, 2002 Operator’s Manual incl. Circuit Diagrams ( F C C Rule Part 2 . 1 0 3 3 ) (See separate cover.) Page 66 of...

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