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. V( C5 f" W. Y$ x: @客户要求如下,如果哪家工厂可以做,请和我联系
& c6 R* E! W' C1 Q9 r> The application that we have in mind is similar to others that we commonly
# z! E- o! d( C+ z1 m> have. If we were to pay for FCC approval, we would want to use the modem
, e/ l# u; `# K% K' ]> units in all similar applications under the same approval number.
* a. l' c+ A% M> Therefore, we would like to be able to configure the units to a specific
* A6 A* r Q/ Y> application. For the business that we do, this approach will yield more
6 S4 x" v. C- v/ B' _2 g/ | s, O> sales based on the same product and approval. We are interested in the ! i+ V) @3 K0 _+ R R4 ]* d& v
> following specifications: 3 z( r7 E) r1 o0 p# q) j
>
3 T8 _" e( I! k( x2 \- I> - 2 inputs at the Transmitter with three possibilities;
* P3 g( ]+ s( |- V% ^> 2 analog $ q* g. |4 _( ~% z; n5 x
> 2 digital ; y5 \7 H9 q/ A* v: M
> 1 analog and 1 digital
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8 w! U1 ~- e! ]+ m> - 2 outputs at the Receiver with three possibilities to match inputs + z/ w2 h$ ]" D- t, ?4 N
>
R/ ~7 W/ W8 ?8 a& T# d> - Ability to configure/define analog Transmitter input ranges through
6 M4 A; U" h! C4 G0 t' t d }> simple programming method to correspond with full-range analog Receiver
9 F7 v O+ G8 \! `! M, \1 O> outputs (0 - full voltage).
5 D' T4 d$ \9 r4 f5 H* O; e$ @6 a>
# y# F7 f' E& q# Z5 v5 M7 T> - Ability to configure and set sample rates for the inputs. ( l8 @$ t, [ j/ }# Q) H
>
. Q8 S7 D: h; w4 ^> - Digital output on Transmitter that turns on during the sampling period. 6 r2 h1 g! J1 I1 Z, e: |$ a
> . A0 A- [" \2 n
> - Ability to configure a power saving Sleep Mode in the Transmitter by
4 u* z- Z4 X7 D. {0 C> both software control and input hardware control.
$ Z1 M. \$ L: r7 X' b>
5 k8 _/ J# U3 a' c$ y. l0 k> In order to configure the units, we would need a way to make the ' A- Z, E* w/ S1 w
> settings. This would preferably be from a computer terminal so that . L8 Y$ s! `' O3 z, A
> configurations can be saved or easily duplicated for production volumes.
6 Z% A, s N1 a2 r! k0 c5 q> The units should be small and compact with shielding, and able to mount ( T* h5 J- D7 Z
> to a printed circuit board with header connector. 7 P' ]7 D* m0 N7 G6 Z ^
> " c7 o9 Y6 X* T: g! Q6 {
> At this time, we are interested in samples of a pair of modems that
3 t. `2 L7 Q; C9 x8 X> might be similar to this proposed system. We do not expect that you 2 Y! e# h$ ]: |" ?; f# u/ i) g# c) p
> provide all of these specifications at this time. I can describe our
3 Q9 x( {, J+ U' x> immediate application needs in the next email if this project is of
) w1 s$ w5 W( q6 ^, t( e% j5 r' c> interest to you. Perhaps you can make the samples by those 1 O) [% |* q* [1 x$ e$ y/ m
> specifications. This will allow us to test your radios before we move , i' S2 n$ _& G: C/ m' ~' L+ F
> forward. We are interested in your 900MHz radio to start.
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