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JPS5346834

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DESCRIPTION JPS5346834
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing an example of a
conventional channel divider output device, FIG. 2 is a block diagram showing an embodiment of
a channel divider output device according to the present invention, and FIG. It is operation |
movement explanatory drawing of FIG. ????? HPF 2 иииииии High pass p wave device, LPF l,
LPF 2 ? ? ? ? ? ? Low pass low pass wave device, SWA?-8 WD иииииииииииииииииииии High pass
output terminal, OM и и и и и и midrange output terminal, OL и и и и и и low-frequency output terminal.
DETAILED DESCRIPTION OF THE INVENTION The present invention is a book on the output
device of a channel divider that splits an input signal into required channels with an ocean wave
and takes out an output. The configuration of a conventional apparatus of this type is shown in
FIG. 1 and described. In the figure, IN is an input terminal to which an input signal is applied, A is
a full band amplifier for amplifying the input signal, and OH is a high band channel output
Terminal (hereinafter referred to as area output terminal), output terminal of Omd middle band
channel (hereinafter referred to as middle band output terminal), OL is output terminal of low
band channel (hereinafter referred to as low band output terminal) ). HPF, and HPF indicate first
and second high-passband offshore reflectors, and LPF and LPFt indicate first and second lowpass offshore reflectors. Then, the output end of the amplifier A passes through the first high
pass p wave device HPF to the & range out ? terminal On, the second high pass P device) 1PF,
and the first low pass p Waver LPF. Through the second low-range backflow p-wave 'kiLPF' to
the low-range output terminal OL. Here, S, S are necessary to short-circuit each of the high-pass
ocean wave HPF and the first low-pass ocean wave LPF of the second-: H-2- and B-7 respectively.
Switch. In the device configured as described above, the input signal applied to the input terminal
IN is amplified by the all-band amplifier, the output thereof is separated and extracted by the
respective filters, and the respective output terminals O11, OM, OL The output signal of the
required high, middle and low range channels is obtained for each. That is, first, in the case of 3
way (Way), with the switches S, S open, the first and second crossovers to the high, middle and
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low band output terminals On, OM, OL A 3-way output signal with a (crossover) frequency is
obtained respectively. Next, in the case of the first two-way having the first crossover frequency,
closing the switch 81 allows each of the high frequency and mid frequency output terminals 01.
In the case of the second two-way case with a second crossover frequency, each of the switches
8. Is closed, and the required output signals of two ways are respectively obtained from the
middle and low-range 3-output terminals (JM and OL). Thus, it is possible to separate human
power signals in the entire band according to the frequency, and to obtain required channel
outputs from the area, middle, and low frequency output terminals IJII, OM, and OL, respectively.
However, such a device has a disadvantage that it can not take out one mountain side in the 3way output and the first and second 2-way outputs, and can not take out the first 2-way output.
Since the output ladder differs with the second two-way output, there is a disadvantage that the
connection of the external cable terminal must be changed each time, which is inconvenient.
In view of the above points, the present invention has been made to solve such a problem, and is
provided with a plurality of switches for switching output outputs of heavy duty, uLl over fF
'wave device and low desire dnP temporary device. , A three-way output having a first process
and a second crossover frequency, a first two-way output having the first crossover frequency,
and 11i1! One small power in the second two-way output having a second crossover frequency +
S can be selected -2, -4 and the three-way output is a high-frequency output terminal, a midrange output terminal, and Obtained from the low-pass output terminal, and 81 J 1st 2 way
output and ...] 1 lil! 1st lil! A output is obtained from the high frequency output terminal and the
low frequency output terminal, respectively. Hereinafter, the present invention will be described
in detail based on the drawings. FIG. 2 is an al view showing an embodiment of the output device
of the present invention according to the present invention. In FIG. 2, the same reference
numerals as in FIG. 1 indicate the corresponding parts. 8WA, 8WB, 8WC, 8WD are interlocked
switches, and the switches 8WA-8Wo are associated with each r-wave device and have a 3-way
output with a first and a second crossover frequency, and a first A function capable of selecting
one output in the first two-way output having the over frequency and the second two-way output
having the second crossover frequency, the high-pass / mid-range and the color gamut of the
three-way output Each output terminal (Ja. The functions obtained from OM and OL, and the first
two-way output or the second two-way output are respectively high-pass and low-pass
outputs?children 011. It is also provided with the function obtained from the OL-) \ 5-. OA, OA,
CA is the first one. In the second ? third channel amplifier, the input end is connected to the
movable terminals of the switches 8Wn, 8Wc, 8Wa respectively, and the output end is each of
the ^, mid, low band output terminals OH, OM, OLKm It is continued. Further, the movable
terminal of the switch 8WA is connected to the input steel of the first low pass low pass ocean
wave filter LPF, and the fixed terminal a is connected to the inner fixed terminal clc of the switch
8WB and the second high frequency passband HPF , At the output end of! The fixed terminal of
the switch SW * is connected to the output terminal of the full band amplifier A. The fixed
terminal o of the switch 8vwA is connected to the free terminal fl in this embodiment. The fixed
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terminal a of the switch 8Wl is connected to the fixed terminal and the first cylindrical region II! I
is connected to the output end of the filter HPF.
The fixed terminal a of the switch 8vvC is connected to the fixed terminal of the switch 8WD and
to the output of the first low pass P-wave ? LPF. Note that the terminal c of the switch 8WC, c, is
an idle terminal in this embodiment. ?????????? The fixed terminal a of 6 is connected
to the fixed terminal C and is connected to the output end of the second low pass ocean wave
filter LPF. When the switch SW is connected to the movable terminal or the inner fixed terminal
a, the second high pass p wave HPF and the first low pass II! The I filter offshore wave LPF is
connected in series, and these constitute band communication, @ offshore wave. FIG. 3 shows the
characteristic chart of the channel frequency for explaining the operation of FIG. 2, (a) shows the
case of 3-way, (bl is the case of the first 2-way (C ) Shows the case of 2 way of ? 2. In FIG. 1Ai,
(b) and (e), (fg) is an output signal of the first high pass P wave device) IPF, and an output signal
of the first low pass Oki wave device LPF. Crossover frequency tube shown, (fL) is the second
high pass filter HPF. And the crossover frequency of the output signal of the second low pass P
wave filter LPF. The crossover frequencies (fa) and (fJ are set to satisfy fL <fu. The operation of
the embodiment shown in FIG. 2 will now be described with reference to FIG. First, in the case of
3 ways, the movable terminals of switches SW to 8WD are respectively connected to fixed
terminal a @. Therefore, the input signal applied to input terminal IN is amplified by full band
amplifier A and It is separated into each channel through a waver. That is, the high frequency
signal HIGH is the first high pass Oki wave generator 11PF, the fixed terminal a of the switch
SWm, and the first channel amplifier OA. -A high frequency output terminal O11 mid frequency
signal MID is a second high pass Fff device HPF, a fixed terminal a of the switch 8W a-a first low
pass ocean wave LPF, a fixed switch a of the switch 8WC The second channel amplifier OA,-the
midrange output terminal OM low band frequency signal LOW is the second low pass F wave
device LPF,-the fixed insulator a of the switch 8WD-the third channel amplifier OA,- The input
signal of the entire band through each path of the low band output terminal OL is high band H
(HIGII) and mid band M (MID) as shown in FIG. 3 (li). -----8-Low band L (LOW) is separated into
three channels, high band.
Mid-range and low-range output terminals 011. An output signal of a desired frequency of 3
ways is obtained for each of OM and OL. Next, in the case of the first two ways, the movable
terminals of the switches 8WA to 8WD are connected to the fixed terminal side, and the signal of
the electric field frequency) 11011 is the first high-pass ocean wave HPF,-switch SWB Fixed
terminal of the first channel amplifier CA. -High frequency output terminal OH mid frequency
signal MID (LOW) is a fixed terminal of the switch Sv% A first low + 4 pieces of off-wave filter
LPF,-fixed terminal of the switch 8 WD third channel As shown in FIG. 3), the input signal of all
bands through each path of amplifier CA3-low band output terminal OL is separated into high
band H1 Nakashiro M (L1 2 channels), and the area, low Output terminals 011. In OL, the output
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No. 10 of the required frequency of 2 ways is obtained respectively. At the same time, in the case
of the second two-way, the movable terminals of the switches 8WA to 8WD are connected to the
fixed terminal C side, and the mid-frequency signal MID (iiIGll) is the second high-frequency
signal. Passing F wave HPF,-Fixed terminal C of switch SWB-First channel amplifier OA,-High
frequency output terminal OII Low frequency signal L (JW # i second low frequency passing @ p
wave LPF,- The input signal of all bands through the fixed terminal C of the switch SD and the
third channel amplifier CA and the low band output terminal OL are shown in FIG. It is separated
into two channels in the low band, and the high-strength signals of the two-way required
frequency are obtained at the high band and low band output terminals OH and OL, respectively,
as in the case of the first two ways described above. Thus, the first two-way output and the
second two-way output can be taken out from the m- output terminal. As apparent from the
above alternatives, according to the present invention, it is possible to select one of the three-way
output and one of the first and second two-way outputs by a simple configuration without using
complicated means. It is possible to take out f ? 4 и и 1-1 ░-and 3 way output can be obtained
from each output terminal of high band, middle band and low band, and the 1st and 2nd 2 way
outputs are identical. The effect on the application is extremely large because it is obtained from
the high- and low-range output terminals and there is no need to change the connection of the
external cafle terminal.
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