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& b, l% g8 J/ c8 d# g客户要求如下,如果哪家工厂可以做,请和我联系
* O m3 I- C. W1 ^* }> The application that we have in mind is similar to others that we commonly
6 X9 R' \/ z6 X' ]> have. If we were to pay for FCC approval, we would want to use the modem
, w- d8 x1 M7 N6 l0 b> units in all similar applications under the same approval number.
* ` b! D+ l4 |6 n. J> Therefore, we would like to be able to configure the units to a specific 7 @& r, |- G1 _! |8 ^
> application. For the business that we do, this approach will yield more : a, V. P" w: E0 Z
> sales based on the same product and approval. We are interested in the
4 W+ Z/ ^% V, {( q t' X) q$ ~1 F> following specifications:
. E& Q. b7 [! ?: o* ]+ z! s6 X& R> & P8 q/ C+ T" |1 E' c$ K; c: j
> - 2 inputs at the Transmitter with three possibilities; 5 A4 r5 J; A! S& L" {7 O$ K
> 2 analog $ y) X3 h* ?+ Y% ]9 P. h0 [
> 2 digital
- t8 R- Q m3 U7 ?' [> 1 analog and 1 digital
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4 @- F- Z; Z3 U3 s5 L> - 2 outputs at the Receiver with three possibilities to match inputs
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> - Ability to configure/define analog Transmitter input ranges through
0 C" V0 h3 L# a9 U> simple programming method to correspond with full-range analog Receiver
0 G4 ]& C6 u3 c. z& l/ {( L> outputs (0 - full voltage).
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1 Z, I, R" T K' v1 j r> - Ability to configure and set sample rates for the inputs.
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9 ]6 z7 I& I4 Q: u2 u0 f> - Digital output on Transmitter that turns on during the sampling period. 8 O/ n/ \; }7 W+ n- V$ H c
>
% ]) s$ {6 x0 {% T+ m! O* y9 ?5 D> - Ability to configure a power saving Sleep Mode in the Transmitter by : U3 k# C' j* Y; E0 m0 q
> both software control and input hardware control. * @% j. b2 N$ {, `% [
> , D; Y' e) o4 ?; r; X
> In order to configure the units, we would need a way to make the
7 w/ t' h4 W6 G" H6 @> settings. This would preferably be from a computer terminal so that 6 _/ f8 \" J4 [7 ^
> configurations can be saved or easily duplicated for production volumes.
5 L( p- u$ u7 Y3 r- _3 {/ h> The units should be small and compact with shielding, and able to mount
' R) H0 `8 h5 x7 l* q> to a printed circuit board with header connector. 5 A. ^# V# ]6 R* ?# ]6 ]
>
f- B# F2 G& y- E' l> At this time, we are interested in samples of a pair of modems that / y( b( u2 m% L% q
> might be similar to this proposed system. We do not expect that you ! D0 Y& I0 o8 T5 y" k, A+ F8 B7 _
> provide all of these specifications at this time. I can describe our
+ a' T5 a- j$ q> immediate application needs in the next email if this project is of
/ n; A6 v* W, i* E> interest to you. Perhaps you can make the samples by those 1 T0 }5 Q2 y$ m# |7 n6 l& W
> specifications. This will allow us to test your radios before we move y, k: \2 w8 D2 c
> forward. We are interested in your 900MHz radio to start. 6 k3 E8 l2 w6 r( \7 }) G
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