T830 Series II Base Station Equipment 136-174MHz Service Manual

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B1.8 T835 General Information M830-00 IF Amplifiers: Frequencies .. 21.4MHz and 455kHz Bandwidths- Narrow Bandwidth (NB) .. 7.5kHz Mid Bandwidth (MB) .. 12kHz Wide Bandwidth (WB) .. 15kHz Sensitivity (De-emphasised Response): Single Channel .. -117dBm Bandspread (12dB Sinad) .. -115dBm (across switching range) Sensitivity (Flat Response): Single Channel .. -111dBm Bandspread (12dB Sinad) .. -109dBm (across switching range) Signal+Noise To Noise Ratio (Typical): De-emphasised RF Level -107dBm (CEPT) .. 30dB (WB) 25dB (WB) 25dB (NB) 20dB (NB) RF Level -83dBm (CEPT) .. 54dB (MB) 49dB (MB) 50dB (NB) 45dB (NB) RF Level -57dBm (EIA) .. 55dB (WB) 52dB (WB) Selectivity: Narrow Bandwidth (±12.5kHz) .. 86dB minimum, 89dB typical Mid Bandwidth (±20kHz) .. 87dB minimum, 90dB typical Wide Bandwidth (±25kHz) .. 92dB minimum, 95dB typical Offset Selectivity (Canada only) .. 20dB Spurious Response Attenuation .. 100dB (typical) Intermodulation Response Attenuation: Narrow Bandwidth .. 80dB CEPT (typical) Mid Bandwidth .. 80dB CEPT (typical) Wide Bandwidth .. 85dB EIA (typical) Blocking .. 100dB Co-channel Rejection .. 6dB Amplitude Characteristic .. 3dB Spurious Emissions: Conducted .. -90dBm to 4GHz Radiated .. -57dBm to 1GHz -47dBm to 4GHz Flat 23/07/99 Copyright TEL
M830-00 T835 General Information B1.9 1.2.4 Audio Section 1.2.4.1 General Outputs Available .. line and monitor Frequency Response .. flat or de-emphasised (750µs) (link selectable) Flat Response: Bandwidth .. 67 to 3400Hz Response .. within +1, -2dB of output level at 1kHz De-emphasised Response: Bandwidth .. 300 to 3400Hz Response .. within +1, -3dB of a 6dB/octave de-emphasis characteristic (ref. 1kHz) Line Output: Power .. adjustable to >+10dBm Load Impedance .. 600 ohms Distortion (@ -70dBm signal level): De-emphasised Flat Wide Bandwidth .. ≤2% ≤2% Mid & Narrow Bandwidth .. ≤2% ≤4% Monitor Output: Power .. 1W Speaker Impedance .. 4 ohms Distortion .. ≤3% (@ -70dBm signal level, links set to de-emphasis) 1.2.4.2 CTCSS Linkable High Pass Filter: Bandwidth .. 350 to 3400Hz Response .. within +1, -3dB of level at 1kHz Hum And Noise .. 30dB min. at 250.3Hz (1kHz at 60% system deviation 35dB typical (67 to 240Hz) CTCSS at 10% system deviation) Tone Detect: Tone Squelch Opening .. better than 6dB sinad 3dB sinad at 250.3Hz (typical) 4dB sinad at 100Hz (typical) Tone Detect Bandwidth .. ±2.1Hz accept (typical) ±3.0Hz reject (typical) Response Time .. 150ms open and close (typical) Copyright TEL 23/07/99
Page 1 and 2: M830-00 1 T830 Series II Base Stati
Page 3 and 4: M830-00 3 About This Manual Scope T
Page 5 and 6: M830-00 5 Table Of Contents This ma
Page 7 and 8: M830-00 7 Page Issue Date Page Issu
Page 9 and 10: M830-00 9 Page Issue Date Page Issu
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Page 13 and 14: M830-00 AI Part A Introduction To S
Page 15 and 16: M830-00 General A1.1 1 General 1.1
Page 17 and 18: M830-00 Mechanical A2.1 2 Mechanica
Page 19 and 20: M830-00 Mechanical A2.3 2.3 Disasse
Page 21 and 22: M830-00 Component Replacement A3.1
Page 23 and 24: M830-00 Software History A4.1 4 Sof
Page 25 and 26: M830-00 BI Part B T835 Receiver Thi
Page 27 and 28: M830-00 T835 General Information B1
Page 33: M830-00 T835 General Information B1
Page 41 and 42: M830-00 T835 Circuit Operation B2.1
Page 53 and 54: M830-00 T835 Initial Tuning & Adjus
Page 67 and 68: M830-00 T835 Functional Testing B4.
Page 75 and 76: M830-00 T835 Fault Finding B5.1 5 T
Page 77 and 78: M830-00 T835 Fault Finding B5.3 5.1
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M830-00 T835 Fault Finding B5.11 5.
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M830-00 T835 Fault Finding B5.15 C
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M830-00 T835 PCB Information B6.1.1
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IPN 220-01394-02 M830-00 T835 PCB I
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IPN 220-01394-02 M830-00 T835 PCB I
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IPN 220-01394-02 M830-00 T835 PCB I
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IPN 220-01394-02 M830-00 T835 PCB I
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IPN 220-01394-02 M830-00 T835 PCB I
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M830-00 CI Part C T836 Transmitter
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M830-00 T836/837 General Informatio
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M830-00 T836/837 Circuit Operation
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M830-00 T836/837 Initial Tuning & A
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M830-00 T836/837 Functional Testing
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M830-00 T836/837 Fault Finding C5.1
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M830-00 T836/837 PCB Information C6
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M830-00 T836 PCB Information C6.2.1
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IPN 220-01395-02 M830-00 T836 PCB I
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IPN 220-01395-02 M830-00 T836 PCB I
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IPN 220-01395-02 M830-00 T836 PCB I
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IPN 220-01395-02 M830-00 T836 PCB I
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IPN 220-01395-02 M830-00 T836 PCB I
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IPN 220-01390-02 M830-00 T837 PCB I
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IPN 220-01390-02 M830-00 T837 PCB I
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IPN 220-01390-02 M830-00 T837 PCB I
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IPN 220-01390-02 M830-00 T837 PCB I
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IPN 220-01390-02 M830-00 T837 PCB I
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IPN 220-01390-03 M830-00 T837 PCB I
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IPN 220-01390-03 M830-00 T837 PCB I
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IPN 220-01390-03 M830-00 T837 PCB I
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IPN 220-01390-03 M830-00 T837 PCB I
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IPN 220-01390-03 M830-00 T837 PCB I
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M830-00 DI Part D T838 & T839 Power
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M830-00 T838/839 Initial Adjustment
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M830-00 T838/839 Fault Finding D4.1
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M830-00 T838/839 PCB Information D5
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M830-00 T838 PCB Information D5.2.1
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IPN 220-01404-03 M830-00 T838 PCB I
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IPN 220-01404-03 M830-00 T838 PCB I
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IPN 220-01404-03 M830-00 T838 PCB I
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IPN 220-01404-03 M830-00 T838 PCB I
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M830-00 T839 PCB Information D5.3.1
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IPN 220-01404-03 M830-00 T839 PCB I
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IPN 220-01404-03 M830-00 T839 PCB I
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IPN 220-01404-03 M830-00 T839 PCB I
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IPN 220-01404-03 M830-00 T839 PCB I
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M830-00 EI Part E T830 VCO PCB Info
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M830-00 Introduction E1.1 1 Introdu
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M830-00 Introduction E1.3 Grid Refe
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M830-00 T830 VCO PCB Information E2
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IPN 220-01176-03 M830-00 T830 VCO P
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IPN 220-01176-03 M830-00 T830 VCO P
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IPN 220-01176-03 M830-00 T830 VCO P
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M830-00 FI Part F Installation This
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M830-00 N-Type Connector Assembly F
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M830-00 GI Part G System Configurat
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M830-00 T835 Link Selectable Featur
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M830-00 T835 Link Selectable Featur
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M830-00 T836/837 Optional Features
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M830-00 T836/837 Optional Features
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M830-00 Talk Through Repeater G3.1
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M830-00 Line Controlled Base Withou
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M830-00 DC Line Keying G5.1 5 DC Li
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M830-00 HI Part H T800 Ancillary Eq
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M830-00 T800 Ancillary Equipment H1
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M830-00 I-I Part I Using T830 Serie
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M830-00 Tools Required I1.1 1 Tools
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M830-00 T835/836/837 SII - SI Conve
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&XF330 C611B C610A C515 &XF320 &XF3
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M830-00 T835/836/837 SII - SI Conve
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M830-00 T835/836/837 SII - SI Conve
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M830-00 T838/839 SII - SI Conversio
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M830-00 T838/839 SII - SI Conversio
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C138 C137 C149 C151 M830-00 T838/83
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T830 Series II Base Station Equipment 136-174MHz Service Manual

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