|
|
: x, j2 P: ?7 e, {# t& L" T/ v客户要求如下,如果哪家工厂可以做,请和我联系 $ }4 a5 y' R0 x) j, q: E; K
> The application that we have in mind is similar to others that we commonly . T G. X3 e) r8 y" |3 Q
> have. If we were to pay for FCC approval, we would want to use the modem ) G9 L, R: _: I2 {% x
> units in all similar applications under the same approval number.
0 @6 A8 L) o3 e8 ?> Therefore, we would like to be able to configure the units to a specific
4 w& B3 x' t* i. G> application. For the business that we do, this approach will yield more
8 c) V, v2 P# _3 h> sales based on the same product and approval. We are interested in the - a* V; G0 @! V6 v# X- \. i
> following specifications: 8 e! ?' g% A3 J ~
> ( {* K# g0 V# D0 R5 }9 Z
> - 2 inputs at the Transmitter with three possibilities;
/ ]8 ?0 k |0 c; W& j1 O( ^! d- a0 }> 2 analog " o; Q; P w# {, z- ?
> 2 digital
( j' F2 C- H1 c& _$ a> 1 analog and 1 digital
8 d1 V* L$ Y" Z! P# C0 Z> , K: r; n" y/ S" P
> - 2 outputs at the Receiver with three possibilities to match inputs 8 w# H5 o' A$ B
>
2 b9 |# l- X6 q5 N8 s> - Ability to configure/define analog Transmitter input ranges through
; [4 ^. B; J* M> simple programming method to correspond with full-range analog Receiver 6 q+ |- i5 M# D6 d+ `7 f! c! M
> outputs (0 - full voltage). $ k$ G4 Z) j' L7 y6 A
>
( t$ N+ m! `2 o- c8 L> - Ability to configure and set sample rates for the inputs.
+ j5 _- P3 U" {/ u>
5 b! R; n6 d! o5 S> - Digital output on Transmitter that turns on during the sampling period. ; G/ s! M3 ^" O# M, |. ?0 ]2 f
> 0 |( H4 {! i8 H' J8 n. u
> - Ability to configure a power saving Sleep Mode in the Transmitter by
9 `0 l) U3 U7 _; V6 [, w$ n3 V1 m3 l> both software control and input hardware control.
- Z* B: F3 p' ] E& n>
9 t/ a5 n1 n! r5 Y> In order to configure the units, we would need a way to make the
' l4 P: w8 ~9 ~# [> settings. This would preferably be from a computer terminal so that 7 V3 {$ B: M: o. ~1 _9 q/ v& N
> configurations can be saved or easily duplicated for production volumes.
5 K0 D! S; P: E8 p: w> The units should be small and compact with shielding, and able to mount
/ }$ ?# _' i: N: J; c G& r> to a printed circuit board with header connector.
- W$ p0 F+ R( S1 ~6 P>
/ m$ I1 u6 z# G3 ~% I$ m> At this time, we are interested in samples of a pair of modems that
: ^; c5 _0 v, T5 O8 z> might be similar to this proposed system. We do not expect that you
4 Y) p; F9 I- O: G3 w> provide all of these specifications at this time. I can describe our
! Z" @% V; h6 k" Y. l7 R. Q> immediate application needs in the next email if this project is of % l2 C( ]' q- p. y9 y
> interest to you. Perhaps you can make the samples by those
6 a/ k) U9 H$ p1 p8 G+ T2 x> specifications. This will allow us to test your radios before we move ! W0 v! p9 S9 I
> forward. We are interested in your 900MHz radio to start.
9 l% @; E8 @. c3 M |
|