|
|
! k& G& f. F3 V& H/ r( y客户要求如下,如果哪家工厂可以做,请和我联系 : F7 B/ w; E( Y! @6 o' S/ e6 c
> The application that we have in mind is similar to others that we commonly $ {6 r; i9 @) Z% c5 M
> have. If we were to pay for FCC approval, we would want to use the modem # r; W8 {) j/ ^% e
> units in all similar applications under the same approval number. * L! X$ {1 ?% G' I
> Therefore, we would like to be able to configure the units to a specific % i$ u: Q. b4 u8 N1 l
> application. For the business that we do, this approach will yield more 5 c( t9 R, k; G! Z
> sales based on the same product and approval. We are interested in the ( @: o, H! Q/ V9 y5 S0 Z
> following specifications:
" i4 Q" g$ w( a+ f, G( w9 l>
# d2 \+ m1 T! F2 J5 {> - 2 inputs at the Transmitter with three possibilities;
T6 M, k* a3 A* k7 B, E" |> 2 analog 4 v: }* [; M. E6 a
> 2 digital ( K U* S4 K1 _- A
> 1 analog and 1 digital
1 F) H1 w4 x* D g> ; b; f. z0 `: X p- g
> - 2 outputs at the Receiver with three possibilities to match inputs
3 ?9 p- F' h: N& s> % ^& G. a: e0 ^% [
> - Ability to configure/define analog Transmitter input ranges through 4 ?" R; I' w) G/ [5 D0 p6 h
> simple programming method to correspond with full-range analog Receiver 8 f6 d* Z) Q1 X
> outputs (0 - full voltage).
7 z! p- e: G2 y9 ]>
/ _9 E. t1 d; ?> - Ability to configure and set sample rates for the inputs. 8 X5 ?5 n& ]/ b; n) y8 j Y
>
" W( R3 y9 @9 Q4 h3 _> - Digital output on Transmitter that turns on during the sampling period.
0 v/ _; x7 L8 y" ~>
' K/ z% R/ [ z8 A* S> - Ability to configure a power saving Sleep Mode in the Transmitter by
* e7 M7 z' {2 C3 j- G7 S3 p7 e> both software control and input hardware control.
! U- A2 a9 Z" |- c( z! [, _/ ^% O> # L+ \. V7 b9 e; b7 y
> In order to configure the units, we would need a way to make the z& N; l1 e( ~' D$ v; f1 y
> settings. This would preferably be from a computer terminal so that & w- D" s" u- Z, f
> configurations can be saved or easily duplicated for production volumes. * V1 [% i# e4 C, v- }3 b
> The units should be small and compact with shielding, and able to mount
# F$ Q2 M) ~* l( h> to a printed circuit board with header connector.
: K c7 p* A# H4 A8 s; P& c0 g3 z>
" L5 J/ Q2 h7 _0 F' m4 j" z% U> At this time, we are interested in samples of a pair of modems that $ g$ ]" O- t% m" f
> might be similar to this proposed system. We do not expect that you
" S7 O& A1 Y* R4 c3 D8 H> provide all of these specifications at this time. I can describe our
# k1 N# _: Z( G- w, p7 {> immediate application needs in the next email if this project is of ) O$ r& q2 L2 J; ?! _
> interest to you. Perhaps you can make the samples by those 3 \: E! k- J/ Y5 C
> specifications. This will allow us to test your radios before we move 3 |% t! r! n& @( B
> forward. We are interested in your 900MHz radio to start.
# @& x& C8 d' y3 g |
|