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8 z$ A5 e I) h- Y }( F \客户要求如下,如果哪家工厂可以做,请和我联系 I6 \; s* q: J% c$ u
> The application that we have in mind is similar to others that we commonly
F! h, R1 J; a7 W9 L> have. If we were to pay for FCC approval, we would want to use the modem 6 f+ c$ }, }$ |, T
> units in all similar applications under the same approval number. ; P% l' j9 a) e" @3 ]) q
> Therefore, we would like to be able to configure the units to a specific 4 f$ I5 L* {* E. u* j' N# m
> application. For the business that we do, this approach will yield more 1 \2 ? ?7 o( j
> sales based on the same product and approval. We are interested in the ) ^9 G- ]: {8 X- m
> following specifications:
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> - 2 inputs at the Transmitter with three possibilities; # D! Z; m1 Y0 n. G3 C
> 2 analog ) n% r6 A; J$ j( [7 y8 `% i
> 2 digital 5 D3 E5 D' u+ F1 e
> 1 analog and 1 digital
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& m3 c9 n3 q/ d4 ]> - 2 outputs at the Receiver with three possibilities to match inputs - L% @! q% h, k1 K* g( B
>
+ S" b8 F! ~& A3 D% O. p> - Ability to configure/define analog Transmitter input ranges through $ J6 O* z1 b# y, e( | I. W# T9 `
> simple programming method to correspond with full-range analog Receiver
& f" t& }" i7 _ ~) X> outputs (0 - full voltage). ! m' o+ }* c& R: ~( |
>
7 X& m0 U: W. G' n; x> - Ability to configure and set sample rates for the inputs. 4 Y( T) N. s1 N: r/ v5 q# p) t
> + [* n2 w, |9 O
> - Digital output on Transmitter that turns on during the sampling period.
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' J2 I3 {% k: Z/ ]8 ~9 ?> - Ability to configure a power saving Sleep Mode in the Transmitter by - v5 W# H1 j1 L5 \5 B& ]9 V
> both software control and input hardware control. 4 s- S$ n5 I/ |' e* Y
> $ Z! t, R; v( E2 |- \/ D. S
> In order to configure the units, we would need a way to make the l* u8 r8 Z) A8 Z! d }- V) N& U
> settings. This would preferably be from a computer terminal so that
" \1 s& Z$ {) {8 g6 f5 Z! o8 h |> configurations can be saved or easily duplicated for production volumes.
8 F0 T! O( D0 q& j0 `: p> The units should be small and compact with shielding, and able to mount
" z/ R7 [6 T, j$ Z& Z> to a printed circuit board with header connector. 1 w' L5 l. B {2 ^/ {7 c0 M
>
* \. x' \( G: ^3 |> At this time, we are interested in samples of a pair of modems that " m% }+ r5 G4 M# ?" U5 I! H2 x
> might be similar to this proposed system. We do not expect that you ) |+ e" K6 S! x U& t5 A
> provide all of these specifications at this time. I can describe our 1 w7 [+ o% I5 U2 Q( ~! ^" Y
> immediate application needs in the next email if this project is of
# A: z- B* F" D$ A8 F. k2 F> interest to you. Perhaps you can make the samples by those
! K! Q+ [% e, f+ S8 T> specifications. This will allow us to test your radios before we move
4 ]8 ~+ W1 U# Q3 f! g* l> forward. We are interested in your 900MHz radio to start. ) L0 V$ g; b _% `! d+ v
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