Difference between pages "TinySA" and "EP2C5-DB-TH Rev 1 Assembly Sheet"

From Land Boards Wiki
(Difference between pages)
Jump to navigation Jump to search
 
 
Line 1: Line 1:
[[file:tinySA.jpg]]
+
[[File:EP2C5-DB-TH_REV_1_PWB-bw.PNG]]
  
== TinySA - Spectrum Analyzer - Specifications ==
+
== Parts List ==
  
=== User interface ===
+
{| class="wikitable"
 +
! Qty
 +
! Value
 +
! RefDes
 +
!
 +
! Qty
 +
! Value
 +
! RefDes
 +
|-
 +
| 2
 +
| Res, 10K, 1/8W
 +
| R7-R8
 +
|
 +
| 1
 +
| LED, 6 mm
 +
| DS1
 +
|-
 +
| 4
 +
| Res, 680, 1/8W
 +
| R10,R12,R14,R16
 +
|
 +
| 1
 +
| CONN, Strt, 1X4 (opt)
 +
| J3
 +
|-
 +
| 6
 +
| Res, 2.2K, 1/8W
 +
| R1-R6
 +
|
 +
| 1
 +
| CONN, Rt ang, 2X4
 +
| J5
 +
|-
 +
| 1
 +
| Res, 330, 1/8W
 +
| R17
 +
|
 +
| 2
 +
| CONN, Strt, 2X6
 +
| J6,J8
 +
|-
 +
| 3
 +
| Res, 470, 1/8W
 +
| R9,R11,R13,R15
 +
|
 +
| 1
 +
|
 +
[https://www.mouser.com/ProductDetail/161-2206 Mini-DIN-6]
 +
[https://www.ebay.com/itm/10PCS-MINI-6PIN-FEMALE-PCB-MOUNT-PS2-JACK-mouse-keyboard-plug-connector-Purple/141976500445?hash=item210e7578dd:g:GjMAAMXQC-tTBKMC Purple - ebay] (keyboard) or
 +
[https://www.ebay.com/itm/10Pcs-mini-6pin-female-pcb-mount-ps2-jack-mouse-keyboard-plug-connec-CO/312856912531?ssPageName=STRK%3AMEBIDX%3AIT&var=611569754103&_trksid=p2057872.m2749.l2649 Green - ebay] (mouse)
 +
| J7
 +
|-
 +
| 3
 +
| Res, 680, 1/8W
 +
| R12,R14,R16
 +
|
 +
| 1
 +
| [https://www.mouser.com/ProductDetail/490-RCJ-014 RCA-JACK, Yellow]
 +
Composite video (opt)
 +
| J2
 +
|-
 +
| 1
 +
| Res, 1K, 1/8W
 +
| R10
 +
|
 +
| 1
 +
| [https://www.mouser.com/ProductDetail/523-GMC020080HR Socket, SD]
 +
| J4
 +
|-
 +
| 1
 +
| Res, 220, 1/8W
 +
| R10
 +
|
 +
| 1
 +
| [https://www.mouser.com/ProductDetail/587-634-015-274-906 DB-15HD, Blue (VGA)]
 +
| J1
 +
|-
 +
| 1
 +
| [https://www.mouser.com/ProductDetail/Alliance-Memory/AS6C1008-55PCN?qs=%2Fha2pyFaduh0X69VDAwIXkgOp04DlgzHZDOSWm5GODjSvOCdTTIRjg%3D%3D AS6C1008-55PCN]
 +
| U1
 +
|
 +
| 4
 +
| [https://www.ebay.com/c/907564428#oid182588476595 CONN, Female, 2X14]
 +
| P1,P2,P3,P4
 +
|-
 +
|}
  
* Display resolution 320*240 pixels
+
== Pin headers/pin sockets ==
* Screen diagonal 2.8"
 
* 16 bits per RGB pixels
 
* Resistive touch control
 
* Jog switch control
 
* USB serial port control
 
* Optional TTL USART port (SW not yet implemented) on the internal PCB
 
* Linear power supply to avoid switching noise.
 
  
The input/output specification of the tinySA is split over the 4 modes
+
* "Standard" length is 1x40 or 2x40 pins
 
+
** Cheaper to buy 1x40 or 2x40 and cut off extra pins
=== Low input mode spec ===
+
* Ebay - [https://www.ebay.com/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=header+pins+40&_sacat=0&LH_TitleDesc=0&_osacat=0&_odkw=header+pins 1x40 Header pins/sockets]
 
+
* Female connectors are expensive on Mouser, [https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2334524.m570.l1312.R1.TR0.TRC0.A0.H0.Xheader+pins+2x40+female.TRS1&_nkw=header+pins+2x40+female&_sacat=0&LH_TitleDesc=0&_osacat=0&_odkw=header+pins+40+female Ebay has good choices]
* Input frequency range from 100kHz to 350MHz
+
* Mouser [https://www.mouser.com/ProductDetail/Harwin/M20-9774046?qs=sGAEpiMZZMs%252BGHln7q6pmzlZUuX%2F53qjJbj%2FQ1pG9jE%3D 1x40 pin straight headers]
* Input impedance 50 ohm when input attenuation set to 10dB or more.
+
* Mouser [https://www.mouser.com/ProductDetail/Harwin/M20-9754046?qs=sGAEpiMZZMs%252BGHln7q6pmzlZUuX%2F53qjVp2YK3gPzB8%3D 1x40 right angle pin headers]
* Selectable manual and automatic input attenuation between 0dB and 31dB in 1 dB steps
+
* Mouser [https://www.mouser.com/ProductDetail/3M-Electronic-Solutions-Division/2380-5121TG?qs=sGAEpiMZZMs%252BGHln7q6pmwu5ra4CY41i6yhE8n6mBfA%3D 2x40 right angle pin headers]
* Absolute maximum input level without attenuation of +10dBm
+
* 0805 resistors are [https://www.ebay.com/itm/free-shipping-5mm-10pcs-2pin-Screw-Terminal-Block-Connector-Pitch-Blue/401412772144?epid=2268620144&hash=item5d7610d130:g:X3UAAOSwqXZZy-vH standard parts]
* Absolute maximum input power with 30dB attenuation of +20dBm for short period
 
* Input Intercept Point of third order modulation products (IIP3) with 0dB attenuation of +15dBm
 
* 1dB compression point at +2dBm with 0dB attenuation
 
* Power detector resolution of 0.5dB and linearity versus frequency of +/-1dB
 
* Absolute power level accuracy after power level calibration of +/- 1dB
 
* Lowest discernible signal using a resolution bandwidth of 30kHz of -102dBm
 
* Frequency accuracy equal to the selected resolution bandwidth
 
* Phase noise of -90dB/Hz at 100kHz offset and -115dB/Hz at 1MHz offset
 
* Spur free dynamic range when using a 30kHz resolution bandwidth of 70dB
 
* Manually selectable resolution filters of 3, 10, 30, 100, 300, 600kHz. Automatic selection of one of the 57 resolution filters.
 
* On screen resolution of 145 or 290 measurement points.
 
* Scanning speed of over 1000 points/second using largest resolution filters.
 
* Automatic optimization of actual scanning points to ensure coverage of the whole scan range regardless of the chosen resolution bandwidth
 
* Spur suppression option for assessing if certain signals are internally generated or actually present in the input signal
 
 
 
=== High input mode spec ===
 
 
 
* Input frequency range from 240MHz to 960MHz
 
* As there is no input bandfilter strong signals outside the 240MHz to 960MHz range can cause distortion of the in band signals
 
* Absolute maximum input level without attenuation of +10dBm
 
* Input Intercept Point of third order modulation products (IIP3) of -5dBm
 
* 1dB compression point at -6dBm with 0dB attenuation
 
* Power detector resolution of 0.5dB and linearity versus frequency of +/-1dB
 
* Absolute power level accuracy after power level calibration of +/- 1dB
 
* Lowest discernible signal using a resolution bandwidth of 30kHz of -115dBm
 
* Frequency accuracy equal to the selected resolution bandwidth
 
* Spur free dynamic range when using a 30kHz resolution bandwidth of 50dB
 
* Selectable (automatic and manual) resolution filters of 3, 10, 30, 100, 300 and 600kHz
 
* Optional 25dB to 40dB frequency dependent input attenuator. The power level error with this attenuator activated increases to +/- 15dB
 
* On screen resolution of 145 or 290 measurement points.
 
* Scanning speed of over 1000 points/second using largest resolution filters.
 
* Automatic optimization of actual scanning points to ensure coverage of the whole scan range regardless of the chosen resolution bandwidth
 
 
 
=== Low output mode spec ===
 
 
 
* Sinus output with harmonics below -40dB of fundamental
 
* Output frequency range from 100kHz to 350MHz
 
* Output level selectable in 1dB steps between -76dBm and -6dBm
 
* Optional AM, narrow FM and wide FM modulation or slow sweep over selectable frequency span
 
 
 
=== High output mode spec ===
 
 
 
* Square wave output
 
* Output frequency range from 240MHz to 960MHz
 
* Output level selectable in variable increments between -38dBm and +13dBm
 
* Optional narrow FM and wide FM modulation or slow sweep over selectable frequency span
 
 
 
=== Reference generator spec ===
 
 
 
* Optional square wave output with fundamental at -25dBm connected to high input/output
 
* Frequency can be set to 1MHz, 2MHz, 4MHz, 10MHz, 15MHz or 30MHz.
 
 
 
=== Battery spec ===
 
 
 
* Charging time max 1 hour on 500mA minimum USB port or USB charger
 
* Operation on fully charged battery for at least 2 hours
 
* Maximum input level
 
** 0 dBm = 1 mW
 
** dBm = 10*LOG(milliwatts)
 
** -10 dBm = 0.1 mW
 
** +10dBm = 10 mW
 
** +20dBm = 1000 mW
 
* 3.3V at 50 Ohm = 0.2178W
 
** 217.8 mW = 23.4 dBm
 
 
 
== Attenuators ==
 
 
 
* [[RF Attenuators|Homebrew RF Attenuators]]
 
* [[PE4302 RF Attenuator]] - Digitally controlled attenuator
 
 
 
== References ==
 
 
 
* [https://www.tinysa.org/wiki/ tinySA wiki]
 
* [http://athome.kaashoek.com/tinySA/Windows/ tinySA-App Software]
 
* [https://store2.rlham.com/shop/catalog/product_info.php?products_id=75243&osCsid=adsqkp0uum898eahocj1marc43 R&L page]
 
 
 
== Measurements ==
 
 
 
=== No Stimulus ===
 
 
 
* 50 Ohm terminator on Low port
 
 
 
[[file:Tiny-SA App v1.1.19.20.PNG]]
 
 
 
=== VFO-001 ===
 
 
 
[[File:VFO-001_P132-720px.jpg]]
 
 
 
* [[VFO-001]]
 
* Set to 20 MHz
 
* 3.3V square wave drive
 
* Rich odd harmonic content
 
* Lots of other noise
 
* Using 20 dB attenuator (from above)
 
* 1-301 MHz
 
 
 
[[file:VFO-002_20dB_001.PNG]]
 
 
 
== Videos ==
 
 
 
<video type="youtube">n6WEM3--Npc</video>
 
 
 
<video type="youtube">Sdb_cs13njk</video>
 
 
 
<video type="youtube">qxH0CQOf2NM</video>
 
 
 
<video type="youtube">1mulRI-EZ80</video>
 
 
 
<video type="youtube">5dHFF03mupI</video>
 

Revision as of 21:47, 12 February 2022

EP2C5-DB-TH REV 1 PWB-bw.PNG

Parts List

Qty Value RefDes Qty Value RefDes
2 Res, 10K, 1/8W R7-R8 1 LED, 6 mm DS1
4 Res, 680, 1/8W R10,R12,R14,R16 1 CONN, Strt, 1X4 (opt) J3
6 Res, 2.2K, 1/8W R1-R6 1 CONN, Rt ang, 2X4 J5
1 Res, 330, 1/8W R17 2 CONN, Strt, 2X6 J6,J8
3 Res, 470, 1/8W R9,R11,R13,R15 1
Mini-DIN-6
Purple - ebay (keyboard) or
Green - ebay (mouse)
J7
3 Res, 680, 1/8W R12,R14,R16 1 RCA-JACK, Yellow
Composite video (opt)
J2
1 Res, 1K, 1/8W R10 1 Socket, SD J4
1 Res, 220, 1/8W R10 1 DB-15HD, Blue (VGA) J1
1 AS6C1008-55PCN U1 4 CONN, Female, 2X14 P1,P2,P3,P4

Pin headers/pin sockets