Page 1: ...the basic operat ing routine which is the same whatever the application so that the user will quick Iy become familiar with the BKF10 and its facilities A short description of the internal function o...
Page 2: ...3 V Sensitivity in 30 V 10 kfl setting 20 dB attenuator switched into input circuit 100 mV to 30 V 13 SIN pushbutton Depress button and read off SiN ratio directly on dB scale of Distortion Meter 14 L...
Page 3: ...by the LEVEL CON TROL switch 16 Example MAX INPUT switch is at 30 V the dB and 20 dB lamps are lit and the meter reads 7 dB Then the true IN PUT OUTPUT ratio is 7 dB 20 dB 13 dB OUT OF RANGE LAMPS a...
Page 4: ...PUT FREQUENCY dc analogue voltage of oscillator output frequen cy 3 V at 20 kHz to 0 V at 20 Hz 1 V decade f Expression Vdc log Volt 20 Hz Jack 23e INPUT FREQUENCY dc analogue voltage of INPUT FREQUEN...
Page 5: ...panel Pins 7 to 13 No connections Pin 14 3 V dc bias max 5 mAl for record ing see RECORDING below Equivalent to jack 21c X V RECORDER Recording distortion as a function of frequency 1 Connect the x a...
Page 6: ...front panel These fil ters allow the measurements of or the suppression of any hum and noise present in the input signal The frequency measuring section includes the frequency measuring circuit and t...
Page 7: ...20 Hz 20kHz SIN range Recorder output voltage HP LP filter Cult off frequency Attenuation Input output ratio meter Frequency range Measuring range Accuracy Recorder output voltage Sp V rms 50 dB appr...
Page 8: ...RADIOMETER COPENHAGEN _...