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; C! M; D3 V, a/ C1 l$ W) j( t) K客户要求如下,如果哪家工厂可以做,请和我联系
; o. g8 ^9 T6 x+ N2 `4 G. F> The application that we have in mind is similar to others that we commonly 9 g- J c' b9 y/ H( A/ c m @
> have. If we were to pay for FCC approval, we would want to use the modem b d: R# R s# ^- p
> units in all similar applications under the same approval number. : x% |- w- M; v
> Therefore, we would like to be able to configure the units to a specific : F; _8 w* c8 B) |/ z8 q
> application. For the business that we do, this approach will yield more
N5 J) y$ y6 F& Z' |* W* }> sales based on the same product and approval. We are interested in the i+ V; J$ A4 Z/ L
> following specifications: . M B( f9 j2 E4 ]
>
' `- b; M* E" A6 C3 F. S> - 2 inputs at the Transmitter with three possibilities;
! }' V9 U7 J2 l$ N; c H7 y> 2 analog + g5 w% x5 ~9 f( l. a
> 2 digital 8 ]9 x8 c X* M k! A
> 1 analog and 1 digital
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: {, i N. Y! f/ ]& { c> - 2 outputs at the Receiver with three possibilities to match inputs / J) E4 @0 {& J
> - ]! F; x4 t7 F% H$ z. O& h3 g i5 }
> - Ability to configure/define analog Transmitter input ranges through 4 z8 r) i) K, j* \* n% n
> simple programming method to correspond with full-range analog Receiver
* ^* T+ P$ B' a$ D) o> outputs (0 - full voltage).
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" L' G' T- ?; B- h+ t> - Ability to configure and set sample rates for the inputs. 4 p) ?, u4 [4 v1 g& U2 _
> + D% r! W8 h* \. D6 g$ z
> - Digital output on Transmitter that turns on during the sampling period. $ F$ a# `( a; B. I' N
>
4 w+ |$ C/ ]& |) B8 @4 L8 p> - Ability to configure a power saving Sleep Mode in the Transmitter by ; u/ G( N) |; v7 X$ g
> both software control and input hardware control.
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! ]/ O# @; f, s! G% t> In order to configure the units, we would need a way to make the
5 x h7 n* a2 F4 e> settings. This would preferably be from a computer terminal so that
l5 S3 D1 g& L> configurations can be saved or easily duplicated for production volumes. / F! t; |# g7 q( W3 r7 s
> The units should be small and compact with shielding, and able to mount 7 p( u2 Z. ~3 @% l' M6 j& c
> 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 & k9 z6 N+ ]& k6 m4 d; b% s* C7 n: Y
> might be similar to this proposed system. We do not expect that you
; U7 ~% I2 e6 G$ S% s> provide all of these specifications at this time. I can describe our 7 W5 j; N' K5 [- v" j; |3 n
> immediate application needs in the next email if this project is of
' E3 W& `: q" h# e6 B> interest to you. Perhaps you can make the samples by those % F3 B" n7 d8 ]" }0 L! E4 T
> specifications. This will allow us to test your radios before we move
9 t( a6 i# u' ^* @9 X> forward. We are interested in your 900MHz radio to start.
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