BRUEL & KJAER 2209 - Input Stage; Weighting Networks; External Filter Sockets; Output

with 1614 "Lin"
"Lin"
''C''
''B''
''A''
''D''
8.3. INPUT STAGE
10
-40.000 Hz
22.5- 40.000 Hz
60- 150 dB
48- 150 dB
55- 150 dB
50- 150 dB
42- 150 dB
46- 150 dB
Removable to permit mounting remc:>te from meter body in connection
with B & K standard cables AO 0027, AO 0028, AO 0029.
Input impedance> 1 Gn in parallel with <0.5 pF, (typically 0.25 pF).
8.4. WEIGHTING NETWORKS
A, Band C to specification of IEC Recommendation 179.
D see Table 3.1.
8.5. EXTERNAL FILTER SOCKETS
IN: Output impedance:< 5 Q in series with 400 pF.
OUT: Input impedance: 146 kQ.
8.6. OUTPUT
AC OUTPUT
Output
Impedance: 600 n (<200 Q in "Batt. (Rec.)" mode).
Output Voltage Corresponding to FSD (open circuit): 0.5 V RMS (5 V
RMS in "Batt. ( Rec.)" mode).
Maximum load: No limit.
Minimum load impedance:
10 kQ//200 pF.
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