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9-
The input attenuators are switched by a so-called
" logic control c i r c u i t " so t h a t a desired range can
be selected w i t h use of a remote control device
(option).
h.
A relay and F E T switch for range selection, controlled
by the logic control circuit, provide higher r e l i a b i l i t y
than usual r o t a r y switch direct
switching.
3. S P E C I F I C A T I O N S
[Meter Section]
Messurable voltages :
dB :
'
dBm :
E r r o r :
Frequency response :
Input impedance :
Durable input voltage : 500V ( D C + A C peak)
1 m V - 3 0 0 m V in 12ranges: 1mV, 3mV,
10mV, 30mV,100mV, 300mV,1V, 3 V ,
10V, 30V, 100V, and 300V f u l l scales.
ro.3mV-100mV in 12ranges: 0.3mV,
1mV, 3 m V , 1 0 m V , 3 0 m V , 100mV,
300mV, 1V, 3 V , 10V, 30V, and 100V
f u l l scales.J
- 8 0 ~ + 5 0 d B r - 9 0 ~ + 4 0 d B J (0dB=1V)
- 8 0 ~ + 5 2 d B m r - 9 0 ~ + 4 2 d B m J
( 0 d B m = 1 m W , 6 0 0 O )
W i t h i n ± 3 % o f
f u l l scale a t 1kHz.
± 1 0 % a t 5 H z - 1 M H z ,
± 5% a t 10Hz-500kHz and
± 2 % a t 20Hz-100kHz a s
referenced to 1kHz response.
1 0 M O ± 5%, w i t h less than 45pF
parallel capacitance.
1V to 300V r 100VJ range
100V ( D C + A C peak)
1mV ro.3mVJ to 300mV
range
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