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H 52005-301D
Residual loss
Unbalanced: Less than 0.01 dB at d.c.
Balanced : Varies with frequency and impedance as follows
""
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k::
20
50
100
200
500
lk
2k
5k
10k
20k
"''"'•
FREQUENCY
"z
Attenuation accuracy
20 Hz to
20
kHz : ±1% of dB setting
±0.
2 dB;
at d. c. : ±1% of dB setting ±0
.
01 dB;
20 Hz to 550 kHz :
±2%
of dB setting ±0. 2 dB.
Input
impedance
(With 600
~
load.)
600 r, unbalanced.
Output impeda.nce
Power input
Frequency
response
Distortion
When input voltmeter is switched
in,
varies with frequency
and impedance as follows :-
6 0 0 - - -
-
,--,-,- --:- l
,00
~..-.~~.-..-~
--- ....
~- ~~::::t=t=tt1m~~~~t=t=t==jl
:"-.: ......
~TTEN
I?
S O O t - - - - - - - · - -
- 1
--
-
· -
-
......
~
>IOd&
---
----
·
--
-
~0+--------
_ _
- t --t--t-t-+++1+---+--+-+-+1'
Od8
--------
520
- - - - -
-
- - - - - - -+---+---'-_J_+-'-...J...I..I..l---+-L-L+...L.l.""---1
0
IOk
20k
50k
lOOk
200k
500k
lM
~REOUEHCY
Hl
(With input voltmeter switched out, the
lmear
part rises to
600ft.)
(With 600
Q
source
.
)
Balanced
:
600
0,
150
Q
and
75 r,
via
transformer.
Unbalanced : 600
0.
When input
voltmeter
is switched
in,
varies with frequency and attenuation
as
follows
:-
600---------- ---
-
-..I..
..........
'
I
"-
'"
~TTEN.
>10d8
ATTEN.
"\
OdB
I
I
5ZO
- - - - - - - - - - - - - ·
I
I
0
10~
20k
50k
lOOk
200k
500k
IM
FR£QUEPICY
Nz
(With input voltmeter switched out, both
linear
parts are at
600
Q.)
1 W (25
V
maximum), continuous a. c. or d. c.
Output
is flat
within
±0
.2
dB
from
20Hz to 20kHz, and within
±1 dB from 20
Hz to 550
kHz at any attenuator setting, with
input
voltmeter
reading held
constant.
At balanced output with
matched load
with
+15 dBm
(31.6
roW)
pure input,
output distortion
factor does
not exceed 0.
1%
from
50
Hz
to
20
kHz and 0. 3% from
30
Hz
to
50
kHz.
6.
Input
voltmeter (part of TF 2160/1)
Ranges
Accuracy
7.
Power
requirements
AC supply
Nov, 79
1.
5, 5, 15 and 25
V
full-scale
;
also marked
-
6
dBm to
+30
dBm.
±5% of
full-scale
from 20Hz
to
550kHz.
45
Hz to
500 Hz
:
95
V
to
130
V
or
190
V
to 260
V.
500Hz
to 1000Hz
:
105
V
to
130
V
or 210
V
to 260
V.
Chap.
1
Page
3
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