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: R. ^1 j( o* x' ~客户要求如下,如果哪家工厂可以做,请和我联系 / i- ^. f, a7 Q- W7 l
> The application that we have in mind is similar to others that we commonly , p8 q: g1 O) n) s/ b5 p) c
> have. If we were to pay for FCC approval, we would want to use the modem ) I! x+ |& H, v; W6 n
> units in all similar applications under the same approval number. + n$ A# Q9 f: ^" F3 W
> Therefore, we would like to be able to configure the units to a specific
5 n3 v N% _7 f% `: P; a# M$ Y> application. For the business that we do, this approach will yield more
K3 i0 F% ~) N1 h/ `> sales based on the same product and approval. We are interested in the ! H8 F$ M d: O' C n3 L
> following specifications: " J: J1 u G" Y- B9 _9 G& q
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> - 2 inputs at the Transmitter with three possibilities;
H5 g T! y8 D8 h/ k, C> 2 analog
6 s( s _, w" x> 2 digital
0 O9 {; S6 ~- _2 j# z3 d4 S" N5 B> 1 analog and 1 digital
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> - 2 outputs at the Receiver with three possibilities to match inputs 6 d" @1 d0 M& b0 s- E
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7 o/ _; i2 S$ |+ o$ i2 ]> - Ability to configure/define analog Transmitter input ranges through
+ J. R1 O& Y& I5 L% \# H; K7 f> simple programming method to correspond with full-range analog Receiver
0 ?1 k) ?* w3 C7 ]2 b7 N> outputs (0 - full voltage).
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: h) Z# C! K' o; o8 f> - Ability to configure and set sample rates for the inputs. 4 k' M- t' `1 M& z- ?
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" f. ^1 [9 S# j1 v6 w> - Digital output on Transmitter that turns on during the sampling period.
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3 I# Y% c; u$ E7 G! m> - Ability to configure a power saving Sleep Mode in the Transmitter by - \8 D6 Q7 \# Z: J
> both software control and input hardware control.
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/ T& u; T& t2 ]% }( z5 t0 {9 c> In order to configure the units, we would need a way to make the
H( N+ r% n4 d0 A @: p> settings. This would preferably be from a computer terminal so that
0 G( s/ f& D9 X4 ~> configurations can be saved or easily duplicated for production volumes.
5 v; D7 h+ j5 v> The units should be small and compact with shielding, and able to mount
0 x2 C8 x2 g% M1 X4 I& B5 X> to a printed circuit board with header connector.
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> At this time, we are interested in samples of a pair of modems that
5 G' ^% f9 W6 t; q& H> might be similar to this proposed system. We do not expect that you
9 q9 G6 z$ w: y> provide all of these specifications at this time. I can describe our S: r5 p: n" j- j# _* s3 w
> immediate application needs in the next email if this project is of
! {$ q9 w$ I) g2 a> interest to you. Perhaps you can make the samples by those 6 e( Q( ?! r' l) a/ o& c
> specifications. This will allow us to test your radios before we move b/ |2 P3 {$ S$ Y1 X
> forward. We are interested in your 900MHz radio to start.
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