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! L4 I7 r: Q% m7 D, r客户要求如下,如果哪家工厂可以做,请和我联系
4 d Z& M: l9 T# c/ E% \> The application that we have in mind is similar to others that we commonly . V1 Q+ p& A; T+ q5 t& c
> have. If we were to pay for FCC approval, we would want to use the modem
6 N% f" h/ d: s0 j0 |; G9 v$ \> units in all similar applications under the same approval number.
6 k2 d. u! A. k' A( p g> Therefore, we would like to be able to configure the units to a specific ! A# A( O' A) D# ?. ~- U n
> application. For the business that we do, this approach will yield more 8 Q; L9 a; Q% D/ g& u+ J6 u- @
> sales based on the same product and approval. We are interested in the
9 d2 ^" I4 a# M$ B> following specifications: , o3 N+ N5 k: E4 q" s; E" r7 ?
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> - 2 inputs at the Transmitter with three possibilities;
. a) b; Y. Z3 i> 2 analog
, S# j ~4 g, Y$ ~) y> 2 digital
' _- J/ S) p+ S: Z' c> 1 analog and 1 digital
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) [2 Z; t/ l; i- W3 b> - 2 outputs at the Receiver with three possibilities to match inputs * M3 T( Y! t, e
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> - Ability to configure/define analog Transmitter input ranges through ; v2 |+ r/ e7 w1 I( O
> simple programming method to correspond with full-range analog Receiver
9 m8 k' Z0 N& W4 G7 Q' G3 t> outputs (0 - full voltage). ( E% H4 h! T7 ~
>
$ M( _1 A3 g8 V; m' G> - Ability to configure and set sample rates for the inputs.
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> - Digital output on Transmitter that turns on during the sampling period. " w- Q( i" D) {1 W
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> - Ability to configure a power saving Sleep Mode in the Transmitter by 9 w) J$ W) q8 B" B# C% \) q
> both software control and input hardware control. 5 Y! \. ]3 V' i3 w0 ^
>
% Q+ V' `) ], Y- P; n> In order to configure the units, we would need a way to make the
]/ N3 K; ?0 k# s0 _, ^" c! y> settings. This would preferably be from a computer terminal so that 6 e7 d+ @. f4 d7 N- a7 R6 r
> configurations can be saved or easily duplicated for production volumes. $ B. ?3 G& ^ p8 G
> The units should be small and compact with shielding, and able to mount
) C5 a* }6 I2 e& u> to a printed circuit board with header connector. ) N# g3 C. i: _ c4 h- Q$ T3 ]
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> At this time, we are interested in samples of a pair of modems that " t& g2 q5 w, p5 I
> might be similar to this proposed system. We do not expect that you " @7 O8 \" P: F" e$ I
> provide all of these specifications at this time. I can describe our
6 y, T/ ~5 u( Z7 ~% X! z> immediate application needs in the next email if this project is of 3 {" K6 \ h* g, i4 }' @
> interest to you. Perhaps you can make the samples by those
, a+ B8 s5 w7 g5 y3 Z; _* H/ ~" R> specifications. This will allow us to test your radios before we move
8 ^0 p% G3 i7 Q, |/ U. U> forward. We are interested in your 900MHz radio to start. 9 f* O Y9 ~8 X J/ Z, |6 m
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