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LA1787NM Arkusz danych(PDF) 3 Page - Sanyo Semicon Device |
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LA1787NM Arkusz danych(HTML) 3 Page - Sanyo Semicon Device |
3 / 6 page LA1787NM No.A0229-3/6 Continued from preceding page. Switch settings Ratings Parameter Symbol Conditions 123456789 10 min typ max Unit HCC output attenuation (1) AttHCC-1 10.7MHz, 100dB µ, 10kHz, L+R = 90%, pilot = 10%, V29 = 3V →0.6V, pin 15 ON B OFF B ON OFF OFF ON 0.5 4.5 8.5 dB HCC output attenuation (2) AttHCC-2 10.7MHz, 100dB µ, 10kHz, L+R = 90%, pilot = 10%, V29 = 3V →0.1V, pin 15 ON B OFF B ON OFF OFF ON 6 10 14 dB Input limiting voltage Vi-lim 100dB µ, 10.7MHz, 30% modulation The IF input such that the output is -3dB down referenced to the input ON B OFF B ON OFF OFF ON ON 33 40 47 dB µ Muting sensitivity Vi-mute The IF input level when V33 = 2V, no modulation ON B OFF B ON OFF OFF ON 27 35 43 dB µ SD sensitivity (1) SD-sen1FM The IF input such that the IF counter buffer output goes to the on state (100mVrms or higher) ON B OFF B OFF OFF OFF OFF ON 54 62 70 dB µ SD sensitivity (2) SD-sen2FM The IF input such that the SD pin goes to the on state, no modulation ON B OFF B ON OFF OFF OFF ON 54 62 70 dB µ IF counter buffer output VIFBUFF-FM 10.7MHz, 100dBµ, no modulation, The pin 23 output ON B OFF B OFF OFF OFF OFF ON 130 200 270 mVrms VSMFM-1 No input, the pin 24 DC output, no modulation ON B OFF B OFF OFF OFF ON 0.0 0.1 0.3 V VSMFM-2 50dB µ, the pin 24 DC output, no modulation ON B OFF B OFF OFF OFF ON 0.4 1.0 1.5 V VSMFM-3 70dB µ, the pin 24 DC output, no modulation ON B OFF B OFF OFF OFF ON 2.0 2.7 3.5 V S-meter output VSMFM-4 100dB µ, the pin 24 DC output, no modulation ON B OFF B OFF OFF OFF ON 4.7 5.5 6.2 V Muting attenuation BW-mute 100dBµ, the bandwidth when V33 = 2V, no modulation ON B OFF B OFF OFF OFF ON 150 220 290 kHz Muting drive output VMUTE-100 100dBµ, 0dBµ, the pin 33 DC output, no modulation ON B OFF B OFF OFF OFF ON 0.00 0.03 0.20 V FM Front End Mixer Input N-AGC on input VNAGC 83MHz no modulation, the input such that pin 2 becomes 2.0V or lower ON A ON B ON OFF OFF 81 88 95 dB µ W-AGC on input VWAGC 83MHz no modulation, the input such that pin 2 becomes 2.0V or lower (when the keyed AGC is 4.0V) ON A ON B ON OFF OFF 104 110 116 dB µ Conversion gain A. V 83MHz, 80dBµ, no modulation, the FE CF output ON A ON B ON OFF OFF 19 30 48 mVrms Oscillator buffer output VOSCBUFFFM No input ON A ON B ON OFF OFF 85 110 165 mVrms Noise Canceller Block - NC Input (pin 30) Gate time τ GATE f = 1kHz, 1 µs, with a 100mVp-o pulse input ON OFF A ON OFF OFF 55 µs Noise sensitivity SN The 1kHz 1 µs pulse input level such that noise canceller operation starts ON OFF A ON OFF OFF 40 mVp-o Noise canceller effect SN-NC The pulse exclusion effect due to noise canceller operation. Repetition frequency for a 1 µs pulse. The ratio of the FM mode pin 15 output referenced to the pin 15 output in 10kHz 150mVp-o AM mode. ON/ OFF OFF A ON OFF OFF 5 Multipath Rejection Circuit - MRC Input (pin 27) MRC output VMRC V24 = 5V ON OFF B ON OFF OFF 2.2 2.3 2.4 V MRC operating level MRC-ON The pin 32 input level such that pin 24 = 5V and pin 27 = 2V, f = 70kHz ON OFF B ON OFF OFF 10 15 20 mVrms AM Characteristics - ANT IN input Practical sensitivity S/N-30 1MHz, 30dBµ, fm = 1kHz, 30% modulation, pin 15 OFF OFF B ON ON 20 dB Detection output VO-AM 1MHz, 74dBµ, fm = 1kHz, 30% modulation, pin 15 OFF OFF B ON ON 130 195 270 mVrms Continued on next page. |
Podobny numer części - LA1787NM |
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