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Kenwood SG-5260, Instruction Manual, Page: 9 / 36

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Kenwood SG-5260 Instruction Manual Download Page 9

© MODULATION Display 

3-digit indication of AM/FM modulation. 

© FM/AM Modulation Unit Indicators 

AM modulat ion  i s showed in

 %.

 FM frequency deviat ion  i s indicated by kHz. 

© GP-IB (remote/1 oca  I ) Key 

This key only works with units having  b u i l t - i n GP-IB functions. 

© FM MODULATION Key 

Key to turn ON/OFF FM modulation. 

© EXT/75kHz Key 

EXT : Press this key when an external FM modulation signal  i s to tbe used. 

75kHz : When the 2nd F key (§)  i s pressed and second function mode activeted, 

FM frequency deviation  i s set to 75kHz when  t h i s key  i s pressed. 

© 1 kHz/22. 5kHz Key 

1kHz : The FM modulat ion  s i g n a l becomes the 1kHz  i n t e r n a l modulat ion 

signal. 

Fig. 2 

9 

Summary of Contents for SG-5260

Page 1: ...C PRINTED IN JAPAN B63 0084 00 N 26405 KENWOODFM AM SIGNAL GENERATOR SG 5260 INSTRUCTION MANUAL KENWOOD CORPORATION ...

Page 2: ...EL PRESET FUNCTION 2 2 4 3 MODULATION SETTING 2 3 4 3 1 F M MODULATION SETTING 2 3 4 3 1 1 Normal Setting 2 4 4 3 1 2 Direct Setting 2 4 4 3 1 3 Preset Setting 2 6 4 3 2 A M MODULATION SETTING 2 6 4 3 2 1 Normal Setting 2 7 4 3 2 2 Direct Setting 2 7 4 3 2 3 Preset Setting 2 7 4 3 3 SIMULTANEOUS F M A M SETTING 2 7 4 4 ADDRESS SETTING 2 8 4 4 1 N O R M A L SETTING 2 8 4 4 2 DIRECT SETTING 2 8 4 5 ...

Page 3: ...ng resolut ion of 100Hz Content s of frequency modulat ion output level sett ings can be stored in up to 100 addresses making i t easy to recal1 the sett ings when required AF funct ion al lows one touch deviation measuring Sett ing is faci1itated by ei ther direct setting using numeric keys or by normal setting using cursor and rotary encoder Selectable modulat ion signal Select between internal ...

Page 4: ... IdB Reference level accuracy ldB RF 400kHz to 260MHz 1 5dB RF 10kHz to 400MHz Attenuator accuracy ldB at 20dB z to 132dB i 1 5dB at 10dB i to 20dB 2dB at 20dB to lOdB x Signal source impedance 50Q or 75Q VSWR 1 2 or less RF 10kHz to 130MHz with 75Q Spurious output Harmonics Below 30dB or less Sub Harmonics Below 35dB or less RF 10kHz to 33MHz Others Below 50dB or less RF 33MHz to 260MHz Residual ...

Page 5: ...z 0 1 RF Other ranges Demodulation band 300Hz to 20kHz De emphasis 50 is 75kHz deviation AF 1kHz External modulation Frequency response 20Hz to lOOkHz ldB 1kHz reference RF 76MHz to 110MHz 20Hz to 100kHz l 5dB 1kHz reference RF Other ranges Separation 60dB or more at 1kHz Input impedance Approx lOkQ unbalanced Input voltage Approx 3Vp p Incidental AM 0 5 or less at 75kHz deviation 2 4 A M MODULATI...

Page 6: ...ced Input voltage Approx 3Vp p Incidental FM Less than 75Hz for 3OX modulation by 1kHz modulat ion frequency 2 5 OTHER FUNCTIONS Preset keys AM 30X 60X 99 9 FM 3 5kHz 22 5kHz 75kHz Output level 4 Level ranges selectable Memories 100 Points Power requirements AC 100V 120V 220V 10X Max 250VAC 50 60Hz Approx 57W Dimentions 430 W x 100 H x 380 D m m Weight Approx 11 5kg Within specification temperatur...

Page 7: ...nt i a l recal1 mode dur ing this mode i s displayed in the lower right corner of the address display Press the key again to return to normal mode In the sequent i a l recal 1 mode the contents set in the address are output without further processing 4 STO store Key I f this key i s pressed together with the ENT key after the frequency level and modulat ion setting the set values are stored in the...

Page 8: ...10 step increments or decrements Use the keys on the l e f t for 10 step changes and use those on the right for 1 step increase or decrease The address can be set in 100 steps from 0 99 EXT FM MODULATION Input Terminal Input terminal for external modulation signal for FM signal Input level i s 3 Vp p input impedance lOkQ maximum imput voltage i s 10V DC4 AC peak D EXT AM MODULATION Input Terminal ...

Page 9: ...h units having built in GP IB functions FM MODULATION Key Key to turn ON OFF FM modulation EXT 75kHz Key EXT Press this key when an external FM modulation signal is to tbe used 75kHz When the 2nd F key is pressed and second function mode activeted FM frequency deviation is set to 75kHz when this key is pressed 1 kHz 22 5kHz Key 1kHz The FM modulat ion signal becomes the 1kHz internal modulat ion s...

Page 10: ...hen the 2nd F key i s pressed and second funct ion mode act ivated AM modulation amplitude i s set to 99 9 when this key i s pressed 1 kHz 60 Key 1kHz The AM modulat ion signal becomes the 1 kHz internal modulation signal 60 When the 2nd F key i s pressed and second funct ion mode act ivated the the AM modulat ion amplitude i s set to 60 when this key i s pressed 400Hz 30K Key 400Hz The AM modulat...

Page 11: ... MODULATION display FREQUENCY Display Displays the frequency FREQ MHz STEP Key FREQ MHz For directly setting the frequency by using the numeric keys The frequency unit can be changed as follows When the FREQ MHz key i s pressed and the ENT key i s pressed after the frequency has been entered by using the numeric keys the unit becomes MHz Conversely when the kHz key i s pressed the unit becomes kHz...

Page 12: ... interval set the interval as fol lows Press the 2nd F key then press this STEP key and input the step value of the LEVEL by using the numeric keys Finally press the ENT key ADDR address Key Used when the numeric keys are used for direct setting of the address The sett ing procedure i s the same as for the FREQ key sett ing MOD modulation Key Used when the numer ic keys are used for direct sett in...

Page 13: ...ssed the key s LED continues flashing I f no key i s pressed during the time the LED flashes the display value returns to the value valid before the input CURSOR Key If the key or key i s pressed the cursor moves one step to the left or r i g h t I f the A A key or key i s pressed the cursor moves between the MODULATION FREQUENCY and LEVEL displays Rotary Encoder Depending on the position of the c...

Page 14: ...ltage as the reference the output level i s expressed as EMF dB dBm Using 1 m W 50Q or 75Q load as the reference the output level is expressed as dBm Output impedance selector When the 2nd F key i s pressed and second funct ion mode act ivated the output impedance can be se l e c t a b l e 50Q or 75Q by pressing this key RF output terminal RF output terminal with an impedance of 50Q or 75Q If exte...

Page 15: ...fected by heat Place the unit in a wel 1 ventilated locat ion during operat ion RANGE OUTPUT Terminal Can be set by pressing the STO key 4 and the numeric key marked 3 When the frequency display shows 35 1 the output is above the 35 MHz range and the vo1tage f 5V When the display shows 35 0 the level is above the 35 MHz range and 0V is output REMOTE CONTROL Terminal Terminal for remote control of ...

Page 16: ...MAINTAINANCE s e c t i o n in t h i s manual if the voltage of this unit i s to be changed Fuse holder The u n i t s AC mains protect ion fuse i s placed in the holder In areas with 100V 120V power supply a 0 5A glass tube fuse slow blow should be used In areas with 220V 240V power supply a 0 3A glass tube fuse slow blow should be used Refer to the MAINTAINANCE section i f the fuse has to be repla...

Page 17: ...EQUENCY and LEVEL p o r t i o n s Move the cursor to the p o r t i o n where the frequency digits are displayed 2 Press the or key to move the cursor to the digit you want to set 3 When the rotary encoder i s rotated the digit under the cursor starts changing Set to desired value 4 Repeat steps 2 and 3 unti1 the desired frequency i s set 11 i s not possible to enter a value that is outside the rat...

Page 18: ...s pressed instead of the ENT key the unit becomes kHz During direct sett ing do not press the keys other than the numeric keys on the front panel I f neither the ENT key nor kHz key i s pressed after the frequency has been input and while the LED i s flashing the set value returns to the value valid before the input when the FREQ MHz key i s pressed again I f a frequency that exceeds the ratings o...

Page 19: ...e frequency in steps intervals The step value is set during the second function mode 1 Press the 2nd F key to enter the second function mode 2 When the FREQ MHz key i s pressed the ENT key s LED flashes and the frequency display indicates the previously set step value 3 While the ENT key s LED i s flashing use the numeric keys to enter the desired step value I f a wrong digit i s entered press the...

Page 20: ...ncy indication and this value is output 6 When the STEP FREQ key i s pressed the frequency display increases or decreases I n accordance with the set step i n t e r v a l and the frequency value i s output 4 2 OUTPUT LEVEL SETTING 4 2 1 NORMAL SETT ING As in the case of frequency sett ing the CURSOR key and the rotary encoder are used to enter the set value 1 Press the A A or key to move the curso...

Page 21: ...gits one by one starting from the last input Then enter the correct value 3 When the leve1 value has been set press the ENT key When the ENT key i s pressed the output leve1 value displayed on the display i s output 4 Select either EMF dBfi or dBm as output level unit by using the unit selector switch I f a level value exceeding the range of the unit s ratings is entered the level display value wi...

Page 22: ...EVEL DISPLAY REMARKS 133 dBm Indicates the level before sett ing EMF dB dBm 20 dB Unt i change LEVEL key Numeric key 1 1 Numeric key 0 10 Numeric key 5 105 Wrong input BS key 10 Input correct ion Numeric key 0 100 ENT key 100 Sett ing completed 4 2 4 STEP SETTING As in the case of frequency sett ing the leve 1 sett ing can also be done by changing the level in steps For the sett ing procedure refe...

Page 23: ...t press the LEVEL PRESET key The stored level value i s output However the level display unit dB z dBm and output impedance 50Q 75Q cannot be stored 4 3 MODULATION SETTING The modulation i s decided by setting the following 3 elements 1 Modulat ion selection FM AM FM AM synchronous modulation or a l l OFF 2 Modulation source selection EXT INT 1 kHz 400 Hz 3 Modulation setting AM 0 to 99 9 FM 0 to ...

Page 24: ...Press the A 4 or key to move the cursor to the MODULATION display port ion 2 Press the or key to move the cursor to the digit you want to set 3 When the rotary encoder i s rotated the d i g i t under the cursor starts changing Set to desired value 4 Repeat steps 2 and 3 unti1 the desired modulat ion value i s set FM frequency deviat ion cannot be set beyond i t s maximum sett ing range 0 to 300kHz...

Page 25: ...e has been input press the ENT key When the ENT key is pressed the output level value displayed on the display i s set I f a modulation set value exceeding the range of the unit s ratings i s entered the modulat ion display value wi 11 return to the modulation value valid before the input During direct setting do not press the keys other than the numeric keys on the front panel I f the ENT key is ...

Page 26: ...cond funct ion mode 2 Select the desired modulat ion value 75kHz 22 5kHz 3 5kHz by pressing either the EXT 75kHzkey lkHz 22 5kHz key or the 400Hz 3 5kHz key As men t i oned above the s e t t i n g range of FM frequency dev i at ion depends on the RF frequency range I f a preset value i s beyond a given RF frequency range i t i s automat i c a l l y set to the maximum rat ing value allowable for th...

Page 27: ...ot be set The sett ing resolut ion for both normal and direct sett ing i s 0 1 4 3 2 3 Preset Setting Use the same procedure as for FM modulat ion sett ing Refer to Section 4 3 1 3 This feature makes i t easy to set A M modulation to 30 or 60 or 99 9 4 3 3 SIMULTANEOUS FM AM SETTING Act i v a t e the FM key and AM key to app1y FM and AM modulation simultaneously The MODULATION display w i l l only...

Page 28: ...n a certain range When the address rotat ion function is working the address sett ing procedure is as fol lows I f for instances the address rotat ion s begin address is 0 and the end address i s set to 8 the following should be done when address 9 is memorized 1 Set the address digit indicat ing tens to 1 2 Change the address digit indicat ing ones from 8 to 9 Now the address sett ing i s 19 3 Ch...

Page 29: ...other than the ten key pad on the panel When a setting i s entered i t reverts to the previous setting i f the ENT key i s not pressed while the ENT key s LED i s f1ickering or if the ADDR key i s pressed again 4 5 ADDRESS MEMORIZATION 1 Set the address to be memorized Refer to Section 4 4 2 Set frequency level and modulation Refer to Sect ions 4 l 4 3 3 Press the STO key When the STO key i s pres...

Page 30: ... F key i s pressed the key s LED l i g h t s and the FREQUENCY display shows 0 000 0 3 Set the necessary frequency deviat ion by using normal sett ing Setting is possible within the ranges a and b a 10kHz reference frequency frequency deviat ion set value b 260MHz reference frequency frequency deviat ion set value c Frequency deviat ion set value 10MHz Max When f requency deviat ion set value once...

Page 31: ...shes momentarily to indicate that address 1 has been set as the BIGIN address 5 Set the address to 15 6 Press the 2nd F key 7 When the RCL END key i s pressed the address display flashes momentarily to indicate that address 15 has been set as the END address 8 To return to the BIGIN address during consecutive address increment press the RCL key I f you want to set the address independent ly of the...

Page 32: ...erminal can be altered When the carrier frequency displayed on the FREQUENCY display is 35 1 the output in the range above 35MHz becomes 5V Below 35MHz the output becomes OV When the carrier frequency displayed on the FREQUENCY display i s 35 0 the output in the range above 35MHz becomes OV In the range below 35MHz the output becomes 5V Whenever the STO key and numeric key 3 are pressed the 3 5 1 ...

Page 33: ...use replacement is impossible The b u i l t i n fuse i s a 0 5A slow blow fuse in areas with 100V 120V power supply In areas with 220V 240V power supply a 0 3A slow blow fuse i s built in Replace with a fuse that conforms to the particular ratings 1 SIide the fuse holder cover translucent plastic on the rear panel to the l e f t I f the power cord has not been removed the cover cannot be slid 2 Wh...

Page 34: ... 5 1 Fuse Replacement I f the fuse i s not removed changing the voltage sett ing i s impossible 2 When the fuse i s removed a print sheet as the one shown in Fig 7 i s seen inserted under the clip Take out this print sheet The current setting i s 100V Accordingly the print sheet has been inserted so 100 i s v i s i b l e On the backside 120V 240V i s indicated 3 Insert the print sheet so the d i g...

Page 35: ...ltage i s changed from 220V 240V to 100V 120V the fuse should be changed from 0 3A to 0 5A The fuse should be a slow blow fuse 5 SIide the cover to the right to return i t to i t s original position This completes the voltage change Fig 7 When the pr int sheet for indicat ing voltage change has been pu11ed out 35 Setting to 100V Setting to 120V Setting to 220V Setting to 240V Fig 8 ...

Page 36: ...A product of KENWOOD CORPORATION 17 5 2 chome Shibuya Shibuya ku Tokyo 150 Japan ...

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