B&K Precision 2640 - Manual - Manual (Page 14)

14
Frequency Range 100 kHz to 2,000 MHz
Resolution Min. 6.25KHz Multiples
Accuracy
± 4.5 PPM
W-FM / N-FM
/ AM / SSB
Wide FM : Approx. 180 kHz @-6 dB
Narrow FM : Approx. 12.5 kHz @-6 dB
AM/SSB : Approx. 2.4 kHz @-6 dB
Step Range
AM, SSB, Narrow FM : 6.25kHz, 12.5kHz
Wide FM : 6.25~125kHz (Multiple of 6.25 kHz)
125~2500kHz (Multiple of 125 kHz)
Span Range
AM, SSB, Narrow FM : 1MHz, 2MHz
Wide FM : 1~20MHz (Multiple of 1 MHz)
20~400MHz (Multiple of 20 MHz)
Frequency
Selection Mode
Center, Start/ Stop, Span
Measurement
Range
-45 dBm to
–110 dBm
Average noise
Level
Wide FM : -100 dBm Max.
Narrow FM : -110 dBm Max.
AM/SSB : -100 dBm Max.
Amplitude Units dBm, dBmV, dBuV
Reference Level
Accuracy
±3.0 dB (typical) @ 400KHz to 600KHz
±2.0 dB @ over 600KHz
Reference Level
Range
0 dBm to
–80 dBm
Log Scale
0.2 dB/DIV min, in 0.25 dB Span (5 Display
Division)
Internal Attn 10 dB
Internal Attn
Accuracy
±1.0 dB (@25 ℃)
Frequency
Amplitude
Specifications