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! \ G2 P4 t; H$ Q( O# v0 G4 ^" u客户要求如下,如果哪家工厂可以做,请和我联系 ) d4 A: x3 r7 Q
> The application that we have in mind is similar to others that we commonly 2 P: D5 {2 g+ p2 ]3 s1 i
> have. If we were to pay for FCC approval, we would want to use the modem
6 C7 {4 \5 T" K> units in all similar applications under the same approval number.
" u4 A1 @- [2 H- t% w( ]) G3 e' s$ ^> Therefore, we would like to be able to configure the units to a specific : h; a$ l+ Q! s
> application. For the business that we do, this approach will yield more
% G! P+ Y* D: e) d9 t> sales based on the same product and approval. We are interested in the {4 a9 K$ N, O; c
> following specifications: $ n) s1 y" o: M. G2 l3 D) x
>
1 T2 {6 K2 I$ @ L" \4 c$ J> - 2 inputs at the Transmitter with three possibilities; 9 Z6 ]/ S1 L& H, ~( |8 ]1 X( F
> 2 analog / Z; [0 c# J. Z. k" b5 r
> 2 digital + {3 r: \) D; R# Q/ U" }/ U$ e Y3 P
> 1 analog and 1 digital
. ^& N) X. ^) v$ [% Y9 K/ q> 9 Q2 \& R& {/ X
> - 2 outputs at the Receiver with three possibilities to match inputs 1 W1 B8 _$ K$ D) }# f8 u4 G
>
N/ F3 w. c# }0 _; q! Z> - Ability to configure/define analog Transmitter input ranges through 0 {) n1 O. c! c! Y8 X
> simple programming method to correspond with full-range analog Receiver
+ c- q4 y6 h' q5 p/ {3 g> outputs (0 - full voltage).
) E- x, N9 @: d5 x>
% y1 B" J# V; e> - Ability to configure and set sample rates for the inputs. # i( |6 ^& m7 b6 p7 }( f* \8 b
>
, a/ A6 k' S, J% J4 z7 r: @# V> - Digital output on Transmitter that turns on during the sampling period. ( E p* K: M) U: ?* ]8 E, \8 I/ `
> 3 i* k! }5 s) m& g Y
> - Ability to configure a power saving Sleep Mode in the Transmitter by * ?7 c3 E I2 r; n7 t: d
> both software control and input hardware control.
1 g. U# R7 p% B n& R( P> ' s# v1 B% q x3 _1 R
> In order to configure the units, we would need a way to make the
+ y' p) a0 O# y! U j0 ]- a> settings. This would preferably be from a computer terminal so that
( N7 _6 L: o1 A+ M3 D7 Z> configurations can be saved or easily duplicated for production volumes.
; q4 b3 k( _, |, z> The units should be small and compact with shielding, and able to mount ( U9 j" }/ p6 n
> to a printed circuit board with header connector.
: K$ f/ C' `% Z$ L Y& p+ t" u> 8 A5 a& D: B+ C9 }1 G0 U$ l, I, C
> At this time, we are interested in samples of a pair of modems that
. R: H0 d; |2 Z7 M/ u: }> might be similar to this proposed system. We do not expect that you % x! X' n1 g! I$ ~+ x' J d
> provide all of these specifications at this time. I can describe our & g* t! a, n% w
> immediate application needs in the next email if this project is of
/ O. x5 h* u6 V. W: Y, B> interest to you. Perhaps you can make the samples by those 7 A# E% E. |8 {+ G" G/ G8 P
> specifications. This will allow us to test your radios before we move ! {6 H$ \& m0 x% _
> forward. We are interested in your 900MHz radio to start. % ~; `+ V! R+ V$ w1 z2 Z
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