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2 T! V5 O" r+ c( ~客户要求如下,如果哪家工厂可以做,请和我联系 - i& S/ y; K) G8 j6 o8 P9 A" n
> The application that we have in mind is similar to others that we commonly
3 w; y) }7 @' Z2 T5 c> have. If we were to pay for FCC approval, we would want to use the modem
8 F/ t# \# d6 e9 v$ K- k> units in all similar applications under the same approval number. ; [/ o4 p1 {$ r0 C" X
> Therefore, we would like to be able to configure the units to a specific
' B0 U$ V, a/ ~" E4 P8 M> application. For the business that we do, this approach will yield more
& C% Q6 Y2 P7 |. K- `> sales based on the same product and approval. We are interested in the 6 @" c& p$ \- z2 o
> following specifications: 8 h& {: M8 w7 _1 a' X1 s
> - E' V% y9 K4 Y2 `; R. Y2 g8 A
> - 2 inputs at the Transmitter with three possibilities; # K& W- k1 x+ {8 Y" t! e0 p
> 2 analog % V" L, j' L% L, f+ J& g
> 2 digital $ ~$ @, F3 T, X3 G
> 1 analog and 1 digital . B5 }9 R5 r) E
>
& W" M6 j( a: E0 Y/ B> - 2 outputs at the Receiver with three possibilities to match inputs
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. M! ~ U, V; X. s6 w g5 v& g> - Ability to configure/define analog Transmitter input ranges through
S8 ~0 B% U3 u> simple programming method to correspond with full-range analog Receiver ' g( A6 y' q& K: x: b& R
> outputs (0 - full voltage).
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+ @+ x- X9 y( j) ^> - Ability to configure and set sample rates for the inputs.
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* O; W* l8 Y1 c) ` }/ q1 W> - Digital output on Transmitter that turns on during the sampling period. : {5 x: K! O# a
> $ y+ e5 ~5 O: D+ G9 [
> - Ability to configure a power saving Sleep Mode in the Transmitter by $ y1 g5 @( @2 z, P& k
> both software control and input hardware control.
* h9 o6 _0 G) j' e9 [( P% k' Q4 X>
6 U& d2 c! G7 l" T+ g> In order to configure the units, we would need a way to make the
: a( L) n* k) e- H, X6 C: \; C> settings. This would preferably be from a computer terminal so that + u& _( T: Q5 t3 f; H# s3 h
> configurations can be saved or easily duplicated for production volumes.
l9 w; C d0 m+ o+ U# a> The units should be small and compact with shielding, and able to mount
4 }8 }; K2 W- v7 z4 M. Q> to a printed circuit board with header connector. 8 L" n7 G& q' [1 {5 J" {
>
2 a& v5 \0 [1 y. v) `6 z# a- F, {> At this time, we are interested in samples of a pair of modems that 4 ~ \9 H$ ~2 V
> might be similar to this proposed system. We do not expect that you 3 G0 R! g( C+ ?
> provide all of these specifications at this time. I can describe our : f6 J" b! z# x
> immediate application needs in the next email if this project is of ( L O; w" ~' x% @! ~
> interest to you. Perhaps you can make the samples by those 5 m5 e/ l6 V& J3 |( Z
> specifications. This will allow us to test your radios before we move
. ~, I6 V; t" C1 @* Z( _> forward. We are interested in your 900MHz radio to start. $ q8 m7 G7 w6 }# b# |8 x1 q
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