|
|
4 N2 {: G' l5 ~# \6 b客户要求如下,如果哪家工厂可以做,请和我联系
, M ^) j. g- x2 v> The application that we have in mind is similar to others that we commonly
+ Y2 w. g1 R$ w! Z8 T> have. If we were to pay for FCC approval, we would want to use the modem 8 }$ L3 i7 h+ g- o) V
> units in all similar applications under the same approval number. + I) g u) v g \
> Therefore, we would like to be able to configure the units to a specific
`9 F% L( z7 x2 u# T/ q: j9 ~> application. For the business that we do, this approach will yield more
' a' w4 c! L6 u% T: D& o; Z5 ?( D> sales based on the same product and approval. We are interested in the
) k- Y. z% _/ C> following specifications:
1 r8 ?# v( ~1 Z4 D& u8 E> ) {0 ^2 X/ I5 L0 U. k
> - 2 inputs at the Transmitter with three possibilities;
* Q+ B* P p& t( q5 ]> 2 analog
" S5 D: F9 Y! o+ b- ^2 I; ?> 2 digital
, V/ c8 W" z, p" l% u* S* T/ y> 1 analog and 1 digital $ k; k1 y8 R, W
>
3 h% [" v Z. M6 m) P8 ^> - 2 outputs at the Receiver with three possibilities to match inputs
+ }) J/ [6 y+ U5 ^& m S9 ^> 5 s8 s w" w$ v1 f! z0 P/ X Z
> - Ability to configure/define analog Transmitter input ranges through 1 v5 _- v2 j- Z- w2 y0 x1 P
> simple programming method to correspond with full-range analog Receiver / h& ^) [, k4 k2 y2 |
> outputs (0 - full voltage).
3 A2 O. }2 l( m. C> % |8 I" p" l& Y. e# S4 _9 ]. j* j
> - Ability to configure and set sample rates for the inputs.
( T0 O) {9 H1 `7 i! I> . r- }: N6 a- O- |( E$ S$ i0 i
> - Digital output on Transmitter that turns on during the sampling period. i4 B9 ]2 w6 b' h9 I. o
> : O) j5 b: K8 {
> - Ability to configure a power saving Sleep Mode in the Transmitter by
+ @" w2 L2 n7 I- d# {/ H3 A( R. x5 I> both software control and input hardware control.
5 W0 a( S9 |7 y& R> ! n1 h2 `+ w- E: o! u; I _
> In order to configure the units, we would need a way to make the 5 e0 h j' H. u- X9 X9 n% f! o3 l
> settings. This would preferably be from a computer terminal so that
( O/ ?7 s8 f- J% ]. ?5 i+ r8 K w> configurations can be saved or easily duplicated for production volumes.
6 f5 C1 T3 k" n8 c% B* o> The units should be small and compact with shielding, and able to mount 8 m4 M3 x/ c2 k M O9 d
> to a printed circuit board with header connector.
" \& F+ Y |) q4 o1 ^- T8 Y; Z2 _' U>
3 S0 O) W6 [! C7 ?! j2 ~& Y> At this time, we are interested in samples of a pair of modems that 1 G7 n: M7 Y/ t+ l
> might be similar to this proposed system. We do not expect that you
7 S/ e: M' F: r0 i7 B3 R) o> provide all of these specifications at this time. I can describe our % P, T0 r; W2 r" N
> immediate application needs in the next email if this project is of % x# t! {: q% I$ x: U
> interest to you. Perhaps you can make the samples by those . ?* f! k& ^0 P* ?5 q# Q) |
> specifications. This will allow us to test your radios before we move 2 G* V5 d+ T* D2 _+ [5 v& i
> forward. We are interested in your 900MHz radio to start. ! r5 `- Z5 V- N8 ]
|
|