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Panoramic Radio Products SB-6a T-200 Odbiornik
Panoramic Radio Products
Model: SB-6a T-200
Kategoria: Radiokomunikacja
Grupa: Odbiornik
                                    Both the Panalyzor and Panadaptor are automatic scanning
superheterodyne receivers which permit visual analysis and
identification of one or many RoF· signals at one timee Each
signal within the scanned band is displayed on a cathode-ray
tube screen as a pip or a group of pips depending upon the
nature of the signal. The pip amplitude and position along a
calibrated horizontal axis are indicative of signal level
and frequency, respectively.
The sweepwidth or the extent of the band displayed above and
below a given frequency which appears at the center of the
screen* is continuously adjustable from maximum to "zero".
The Type designation of the equipment indicates the maximum
The PANADAPTOR is designed to operate in conjunction with
receivers having an I.Fo equal to the Panadaptor input
center frequency. (See Electrical characteristics Section I
Para· 5). Interconnection is made at the output of the
Receiver converter» In operation, the Receiver is tuned to
the spectrum segment to be observed« The signal to which the
Receiver is tuned will appear at the center of the screen«
Either locally or remotely generated signals may be
observed· The Panadaptor overall frequency coverage is
dependent upon the timing range of its companion receivers
The PANALYZOR is designed to operate with an external
Oscillator or signal generator to "tune in” a given spectrum
segment. The signal generator is connected to one of two
input RF connectors. The signal or signals to be examined
are coupled directly from their source through a coaxial
cable to the other input connector.
The input stage of the Panalyzor is an aperiodic mixer which
in conjunction with the external Oscillator is equivalent to
the frequency Converter of a superheterodyne Receiver such
as is used with the Panadaptor.
A signal will cause a deflection at the center of the screen
when the generator is eet at a frequency equal to the signal
frequency ± the Panalyzor input center frequency. (Refer to
Electrical Characteristics, Section I Para0 5).
The Panalyzor may be used as described above to examine
signals up to 1000 MCc Higher frequencies may be
investigated by effecting conversion with a suitable mixer
attached to either of the input RoF. connectors ■>
The two instruments differ in flatness of amplitude
indication. The flatness of response of the Panalyzor
primarily i8 dependent upon the bandpass char» acterietic of
the instrument and the accuracy of the amplitude indication
is therefore fixed within the limit· specified« The flatness
of amplitude indi« cation in the Panadaptor0 however is the
product of the Receiver selectivity
as seen at the output of the Converter and the bandpass
characteristic of tha Panadaptor» Since Receiver selectivity
will vary throughout the tuning range, the relative
amplitudes of the signal deflections distributed across the
»creen may not correspond to actual relative signal levels«
Tha Panadaptor and Panalyzor differ also in the extent to
which they present imageso Image presentation of the
Panadaptor is mainly a function of the image rejection
capabilities of the Receiver.» Since the Panalyzor utilizes
an aperiodic mixer (without any preselection) images are not
suppressed» For examplee if it is desired to examine a 100
MC signal with a Type T-1000 Panalyzor,, the external
Oscillator would be set at 105 MCS the input center
frequency being 5 MC and the bandpass from 4«>5 MC to 505
MC» A signal of llOol MC which may be present would also be
heterodyned down to 5d MC to produce an image o Both the 100
MC and 110»1 MC signals would be equally acceptable by the
aperiodic mixer»
Images» however8 can be identified rapidly and simply with
either instrument since the image deflections move in a
direction opposite to that of regular signals ae the
Receiver or Oscillator is tuned.

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Instrukcja obsługi Typ: Serwis i User Manual Panorami-7798-Manual-Page-1-Picture
Strony: 61
Rozmiar: 8.43 Mbytes (8834711 Bytes)
Język: Angielski
Jakość: Skanowany dokument, czytając częściowo źle, nie częściowo czytelny.
Czas trwania filmu:
MD5: bab713fb207de9a701c8acebd44d00d7
Pliki do pobrania: 665 od 25 maj 2016
Panoramic Indicator IP 259/U is the same equipment as the
Panalyzor Model SB-6a Type T-200.
This is a composite Instruction Manual. Only the
instructions pertaining to the Panalysor Model SB-6a Type
T-200 should be followed -when using the Panoramic Indicator

Included within this manual is detailed information
concerning installation, operation, adjustment and
maintenance of the equipment,,

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