Technical Data; Ihf Standard - Revox B260 Operating Instructions Manual

Technical appendix
Technical data
:I13?r
r
--ll---
Unless stated otherwise, the following data are
measured at 98l\/lHz.
1
mVRF
srgnal.
and 400
Hz
frequency modulation.
Station
preselection:
Displays:
20 position 5x7 dot matrixvacuum fluores
cence display
with
brrghtness control.
N/ultifunctronal
liquid crystal display (LCD).
I
lumination interlocked
with cover switch.
Signal
strength indicator:
31 position
bargraph diagram,
l0dBf
...110d8f
lndicator for
center-channel
tuning:
Station
mernories:
60
Storable are:
f
requency, station abbreviation,
p'og'am
rdenti'ication,
and receotior
parameters.
Tuning
range:
87
50
MHz..
1OB.0O
MHz
sweepable by means of
quartz-accurate
frequency synthesizer in automatic station
scan or
individual
steps.
Channel pattern:
switch
selectable
1
O
kHzl5O kHz
Frequency
input:
via keypad. AUTOTUNING
(50 kHz) or
FREOUENCY STEP
(1
0 kHzl5O kHz)
O.uartz
reference:
a
ccu
ra
cv
+0.001
%
Absolute sensitivity:
SINGLE, NARROW:
for
a
signal
to noise ratio of
26 dB,
relative to 40
kHz
frequency deviation.
O
5pV
4
step symbol
Sensitivrty:
with
50 kHz
channel pattern
with
1O
kHz
channel pattern
+25kHz
+5kHz
Usable
sensitivity: SINGLE:
Mono
Stereo
DOUBLE: Mono
Stereo
for
a
signal-to-noise
ratio
of
46 dB,
relative
to 40
kHz
frequency deviation
Power requirements:
220V AC
+
5l
10%,50...
60 Hz
Solder strappable
to
110V
or 240Y
2pY
201-tY
JPV
30pV
Power
fuse:
220V.240V
110V:
T250mA
slow
T500mA slow
Power consumption:
max.:
in standby
30w
<6W
lmage rejection:
DOUBLE
>100d8
Dimensions:
(WxHxD)
480 x11B x
332 mm
lF
rejection:
>110dB
Weight:
7
5kg
Spurious response
rejection:
>
1
'
0
dB
Srblect to ctsarge
RF
intermodulation
attenuation:
DOUBLE:
relative
to the absolute
frequency
spacino.
>90d8
sensitivity and
2
MHz
Capture ratio:
WIDE:
0.5
dB
for
a
signal
to
noise ratio
of 30d8.
relative
to 40
kHz
frequency deviatton.
Bandwidth
(-3dB):
WIDE:
NARROW
150
kHz
110kHz
Selection:
WIDE:
NARROW:
measured
with
300 kHz
>50d8
>100d8
spaci ng.
AM
rejection:
at
30% amplitude modulation, r"tu,iu"
ri72dB
IHF standard
75
kHz
frequency deviation.
Frequency
response:
20Hz...15k1z
+0.5
dB
Antenna impedance:
75 Ohm
De-emphasis:
50ps
75ps
USA
Monophonic
usable
sensitivity:
S
ingle 0
95 pV/1 0.8 dBf
AF
distortion:
for stereo
L:R.
l
kHz
modulation. relative to
40 kHz frequency deviation
Monophonic 5OdB
quieting sensitivity:
0.O7
a/o
Sing le:
Double:
1
.25ttY l13.2dBf
1
.9BttV
111
.2dBt
Signal-to-noise
ratio:
30 Hz...15 kHz
>80d8
relative to 75
kHz
frequency deviation,
for mono
1mV
RF
signal.
for
stereo 10mV
RF
signal.
Stereophonic 50dB
quieting sensitivity:
Single:
Double:
150pV/34.8dBf
23.8
uv/38
8
dBf
Stereo crosstalk
attenuation:
BLEND
1:
BLEND 2:
for'1 kHz modulation. relative to 40
kHz
frequency deviation.
Pilot tone suppression:
1
5
kHz...300
kHz
with
75 kHz
f
requency deviation
Changeoverthresholds:
IVIUTING
Stereo:
Station scan
thresholds:
DISTANT
LOCAL:
RF
crosstalk
attenuation
A/B:
>43
dB
15dB
7dB
Monophonic: S/N
Ratio at
65dB{ 86 dB
Stereophonic; S/N
Ratio at 85 dB{
82 dB
Distortion
at
65 dBf
Monophonic
1
kHz:
Wide/Narrow
o.13%
>78dB
Wide:
Narrow
o.2%
08%
Distortion
at 65 dBf
Stereophonic
1
kHz:
Capture
ratio
at
65
dBI
15dB
2pY
10pV
Selectivity
adjacent channel
(av.)
Wide:
Narrow:
BdB
16dB
4pV
100uV
Antenna inputs A/B:
coaxial, according
to
IEC/DlN
54325
75 Ohm
Selectivity
alternate channel
(av.)
Wrde:
Narrow
50 dB
100d8
>70
dB
Spurious rejection:
(Is+fi/2)
1't
0dB
lmage rejection:
(fs
+ (2xf
i))
Double
100d8
Calibration tone:
relative
to
40 kHz
frequency
deviation:
40OHz
lF
rejection:
(f i)
110dB
AF
output
Level/im pedance:
Muting threshold: lBdB{
(at 75kHz frequency
deviation):
1.9V/600Ohm
OUTPUT
adjustable:
0
d8...
-
20 dB
Stations
adjustable: +6dB
Stereo threshold: 32dBI
Frequency response
+0.5
dB
Oscilloscope
output
Level/im
pedance:
X
output at 75
kHz
frequency
deviation:
2Vpp
Y-output at 1mV
RF
into
75Ohm:
3V
Subcarrier
Product rejection: 78dB
Stereo separation
43 dB
Serial link: 6 pin socket for
connection
to the
RFVOX
remote
control
system.
Output level:
20Hz...15kN2
18V
30