小车_DVD,CD电气指标

AUTOSOUND ELECTRONICSLTD SPECIFICATIONS 电气技术指标 MODEL : DATE : TEST CONDITION SUPPLY VOLTAGE : 14.4V LOAD IMPEDANCE : 4 OHM REFERENCE OUTPUT : 1W DEVIATION :22.5KHz 1KHZ DUMMY ANTENNA : DIRECT THROUGH IN FM SECTION ITEMS UNIT NORMAL LIMIT TEST 1# 2# 1 Frequency Range LOW End High End MHz 87.5 87.5 MHz 108 108 2 Intermediate Frequency MHz 10.7 ±0.04 3 91MHz Useable Sensitivity 30dB S/N 98MHz 106MHz dB dB dB 10 10 10 15> 15> 15> 4 91MHz Search SENSITIVITY (DX) 98MHz 106MHz dB dB dB 25 25 25 ±5 ±5 ±5 5 IF Rejection 91MHz dB 60 50< 6 Image Rejection 106MHz dB 60 50< 7 -3dB Limiting Sensitivity 98MHz dB 10 18> 8 88MHz S/N Ratio @1mV 98MHz 108MHz dB dB dB 55 55 55 45< 45< 45< 9 LO/DX Effect 98MHz dB 20 ±10 10 THD @1mV 22.5KHz Dev 98MHz 75KHz Dev 98MHz % % 0.5 1 2> 3> 11 Overload Distortion @ 100mV 75MHz Dev 98MHz % 1 3> 12 Audio Fidelity –3dB (Ref :1KHz) 98MHZ 22.5K Hz 50 80> KHz 14 12< 13 AM Suppression (AM 30%) 98MHz dB 42 35< 15 Stereo Indicator Sensitivity 98MHz dB 15 20> 16 Stereo Separation dB 32 25< 17 Channel Balance dB 0 ±3 18 10% Output Power @ 1mV W 18 16< 19 Maximum Output Power @ 1mV 75KHz Dev W 25 18< 21 RDS(SK)SEEK STOP SENSE dB 40 45> 拟制： 审核： 批准： SPECIFICATIONS 电气技术指标 MODEL : DATE : TEST CONDITION SUPPLY VOLTAGE : 14.4V LOAD IMPEDANCE : 4 OHM REFERENCE OUTPUT : 1W MODVLATION : 30% 1KHZ DUMMY ANTENNA :15PF/65PF SHUNT MW Section ITEMS UNET NORMAT LIMIT TEST 1# 2# 1 Frequency Range Low End High End KHz KHz 522 1620 522 1620 2 Max Sensitivity 603KHz 999KHz 1404KHz dB dB dB 25 25 25 35> 35> 35> 3 Useable Sensitivity 20dB S/N 603KHz 999KHz 1404KHz dB dB dB 30 30 30 40> 40> 40> 4 Search Sensitivity (DX) 603KHz 999KHz 1404KHz dB dB dB 35 35 35 ±5 ±5 ±5 5 IF Rejection 603KHz dB 60 50< 6 Image Rejection 1404KHz KHz 60 50< 7 S/N Ratio @1mV 603KHz 999KHz 1620KHz dB dB dB 55 55 55 45< 45< 45< 8 Selectivity for +/- 1 step (9 or 10KHz) 999KHz dB 35 25< 9 LO/DX Effect 999KHz dB 20 ±10 10 THD @ 1mV 30% Mod 999KHz 80% Mod 999KHz % % 0.5 2 2> 4> 11 A.G.C. Figure Of merit @100mV 999KHz dB 70 55< 12 Audio Fidelity –6dB (Ref :1KHz) Hz KHz 30 3 80> 2< 13 10% Output Power @ 5mV W 18 16< 14 Maximum Output Power @ 5mV MOD 80% W 25 18< 拟制： 审核： 批准： SPECIFICATIONS 電氣技術指標 MODEL : DATE : TEST CONDITION SUPPLY VOLTAGE : 14.4V LOAD IMPEDANCE : 4 OHM REFERENCE OUTPUT : 1W REFERENCE OUTPUT : 1W TEST DISC: SONY YEDS-18 (TAPE4) ABEX TCD-784 CD Section ITEMS TND RECONDING LEVEL UNIT NORMAL LIMIT TEST 1# 2# 1 Maximum Output Power 2 1KHz 0dB W 25 18< 2 10% Output Power 2 1KHz 0dB W 18 16< 3 Frequency Response 3 20Hz 0dB dB 0 ±3 4 100Hz 0dB dB 0 ±3 2 1 KHz 0dB dB 0 0 5 10KHz 0dB dB 0 ±3 6 20KHz 0dB dB 0 ±3 4 S/N Ratio 7 1KHz 0dB dB 65 55< 5 Channel Unbalance 2 1KHz 0dB dB 0 ±3 6 Channel Separation 8 1KHz (L) dB 50 40< 10 1KHz (R) dB 50 40< 9 10KHz (L) dB 50 40< 11 10KHz (R) dB 50 40< 7 Distortion 2 1KHz 0dB % 0.5 1> 8 Bass Treble E 4 100Hz dB 10 ±6 5 10KHz dB 10 ±6 9 Loudness Effect (REF:-20dB) 4 100Hz dB 10 ±6 10 Skip Test Interruption mm 1 0.8< Black dots mm 1 0.8< Finger prints um 75 65< 11 CD Reading time First Reading S 8 10> 拟制： 审核： 批准： SPECIFICATIONS 電氣技術指標 MODEL : DATE : TEST CONDITION SUPPLY VOLTAGE : 14.4V LOAD IMPEDANCE : 4 OHM REFERENCE OUTPUT: 1W AUDION Section ITEMS UNIT NORMAL LIMIT TEST 1# 2# 1 RCA Out Level(Load 10k VOL MAX/SONY4 TEST DISC 1KHz 0dB Out Level(Low) V 2.0 ±0.5 Out Level(High) V 4.0 ±0.5 Distortion(OUT LEVEL 2V) % 0.5 <1 2 SUB- WOOFER OUT LEVEL (Load 10K VOL MAX/ SONY4 TEST DISC 100Hz Out Level V 2.0 1.5< Distortion(OUT LEVEL 2V) % 0.5 <1 3 AUX IN Distortion(1KHz 500Mv) % 0.5 <1 MAX Output Power(1KHz 500 Mv) W 30 25< 10% Output Power(1KHz 500Mv) W 20 18< Frequency Response(REF:1KHz 500Mv) 20Hz dB 0 ±3 20KHz dB 0 ±3 Channel Unbalance(1KHz 500mV dB 0 ±3 4 Gain Ratio (REF: FM 75KHz 1KHz 1mV) FM 75KHz 1KHz 1mV dB 0 0 AM Mod 80% 1KHz 5mV dB -2 ±3 LW Mod 80% 1KHz 5mV dB -2 ±3 CD 1KHz 0dB dB +1 ±3 AUX 1KHz 500mV dB 0 ±3 5 BACKUP CURRENT POWER OFF ACC OFF mA 7 10> POWER OFF ACC ON mA 30 50> 6 Recoding test Recoding to SD/USB from CD(1k 0dB) dB 60 50< Recoding to SD/USB from Radio(98MHz@ 22.5KHz,1K,40dB) dB 50 45< Recoding to SD/USB from AUX in(1K 500mV) dB 60 50< 拟制： 审核： 批准：