Harman Kardon ST350 Owners Manual - Page 10

modulation.

Page 10 highlights

Circuits: Sensitivity: Selectivity: Discriminator Peak to Peak Separation: Frequency Range: Drift: Image Rejection: [F Rejection: Limiter: Antenna Input: Distortion: Frequency Response: Hum Level: Radiation: Output Level: Circuits: Sensitivity: Selectivity: Frequency Range: Image Rejection: IF Rejection: Antenna Input: Distortion: Frequency Response: Hum Level: SPECIFICATIONS FM Armstrong circuit with zero time constant Gated Beam Limiter, Foster-Seeley Discriminator, Automatic Frequency Control and Bar Type Tuning indicator. The RF section consists of a Shaded Grid Low Noise, High Gain VHF Tetrode, High Gain Pentode Mixer followed by three Wide Band IF stages, Limiter, Wide Band (0.6 MC) Discriminator and Cathode Follower Output. 0.95 microvolts. ( 20 db quieting). 1.9 microvolts. ( 30 db quieting ). 240 KC Bandwidth: 6 db down. 0.6 megacycles. 88-108 M.C. ± 20 KC AFC off; +2% KC AFC on. 40 db 70 db Gated beam, constant output. 300 ohms Less than 0.1% IM at 30% modulation. Less than 0.5% IM at 100% modulation. db 20-20,000 c.p.s. including standard 75 microsecond de-emphasis. 60 db below 100% modulation. Within FCC requirements. 1.5 volts for 100% modulation. 5 volts for 30% modulation. AM Low noise, High Gain RF Pentode followed by a Pentagrid converter, two broad band IF stages, infinite impedance detector and 10 KC whistle filter. Separate AVC circuit avoids overloading of detector improving linearity. Exclusive noise filter for noise-free long distance reception. 20 microvolts per meter. Terminal sensitivity 4 microvolts. 16 KC Bandwidth: 6 db down. 530-1640 KC 55 db 55 db Built in Ferrite Loopstick with low impedance Terminal for external antenna. Less than 0.8% harmonic. ± 3 db 20-8,000 cycles. 55 db below 88% modulation.

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SPECIFICATIONS
Circuits:
Sensitivity:
Selectivity:
Discriminator
Peak
to
Peak
Separation:
Frequency
Range:
Drift:
Image
Rejection:
[F
Rejection:
Limiter:
Antenna
Input:
Distortion:
Frequency
Response:
Hum
Level:
Radiation:
Output
Level:
Circuits:
Sensitivity:
Selectivity:
Frequency
Range:
Image
Rejection:
IF
Rejection:
Antenna
Input:
Distortion:
Frequency
Response:
Hum
Level:
FM
Armstrong
circuit
with
zero
time
constant
Gated
Beam
Limiter,
Foster
-Seeley
Discriminator,
Automatic
Fre-
quency
Control
and
Bar
Type
Tuning
indicator.
The
RF
section
consists
of
a
Shaded
Grid
Low
Noise,
High
Gain
VHF
Tetrode,
High
Gain
Pentode
Mixer
followed
by
three
Wide
Band
IF
stages,
Limiter,
Wide
Band
(0.6
MC)
Discriminator
and
Cathode
Follower
Out-
put.
0.95
microvolts.
(
20
db
quieting).
1.9
microvolts.
(
30
db
quieting
).
240
KC
Bandwidth:
6
db
down.
0.6
megacycles.
88-108
M.C.
±
20
KC
AFC
off;
+2%
KC
AFC
on.
40
db
70
db
Gated
beam,
constant
output.
300
ohms
Less
than
0.1%
IM
at
30%
modulation.
Less
than
0.5%
IM
at
100%
modulation.
db
20-20,000
c.p.s.
including
standard
75
micro-
second
de
-emphasis.
60
db
below
100%
modulation.
Within
FCC
requirements.
1.5
volts
for
100%
modulation.
5
volts
for
30%
modulation.
AM
Low
noise,
High
Gain
RF
Pentode
followed
by
a
Pen-
tagrid
converter,
two
broad
band
IF
stages,
infinite
impedance
detector
and
10
KC
whistle
fi
lter.
Separate
AVC
circuit
avoids
overloading
of
detector
improving
linearity.
Exclusive
noise
fi
lter
for
noise
-free
long
dis-
tance
reception.
20
microvolts
per
meter.
Terminal
sensitivity
4
micro-
volts.
16
KC
Bandwidth:
6
db
down.
530-1640
KC
55
db
55
db
Built
in
Ferrite
Loopstick
with
low
impedance
Term-
inal
for
external
antenna.
Less
than
0.8%
harmonic.
±
3
db
20-8,000
cycles.
55
db
below
88%
modulation.