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/hamradio/ - Electronics

For the discussion of electronics, tinkering, radio, amateur radio, and related electromagnetic phenomena and communications.

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File: 1411627176023.jpg (53.69 KB, 563x473, 563:473, diode_prep.jpg)

Optical communications Anonymous 09/25/14 (Thu) 06:39:36 No.2

Testing out xchan and dumping some optical communications images.
Picture kind of unrelated.

Anonymous 09/25/14 (Thu) 06:56:47 No.3

File: 1411628207948.gif (41.02 KB, 2040x1540, 102:77, APD_RX_det_1b.gif)

Anonymous 09/25/14 (Thu) 06:56:59 No.4

File: 1411628219464.gif (41.15 KB, 2040x1540, 102:77, APD_RX_ps_1b.gif)

Anonymous 09/25/14 (Thu) 06:57:05 No.5

File: 1411628225097.gif (33.16 KB, 1684x1089, 1684:1089, audio_interface_audible_s_….gif)

Anonymous 09/25/14 (Thu) 06:57:11 No.6

File: 1411628231830.gif (101.27 KB, 1617x1100, 147:100, audio_interface_block_diag….gif)

Anonymous 09/25/14 (Thu) 06:57:28 No.7

File: 1411628248650.gif (29.63 KB, 1389x757, 1389:757, audio_interface_clip_warni….gif)

Anonymous 09/25/14 (Thu) 06:57:38 No.8

File: 1411628258902.gif (29.8 KB, 1443x1080, 481:360, audio_interface_interconne….gif)

Anonymous 09/25/14 (Thu) 06:57:56 No.9

File: 1411628276513.gif (27.63 KB, 1423x981, 1423:981, audio_interface_scintillat….gif)

Anonymous 09/25/14 (Thu) 06:58:13 No.10

File: 1411628293216.gif (58.56 KB, 1247x803, 1247:803, comb_filtered_audio_spectr….gif)

Anonymous 09/25/14 (Thu) 06:58:22 No.11

File: 1411628302924.gif (24.17 KB, 668x563, 668:563, ct_ckt_v202_comparison1.gif)

Anonymous 09/25/14 (Thu) 06:58:33 No.12

File: 1411628313694.jpg (415.4 KB, 1722x1047, 574:349, ct_ckt_v202_pifconfig.jpg)

Anonymous 09/25/14 (Thu) 06:58:42 No.13

File: 1411628322862.gif (22.54 KB, 1588x898, 794:449, current_mod_1_03b.gif)

Anonymous 09/25/14 (Thu) 06:58:51 No.14

File: 1411628331212.jpg (358.12 KB, 900x675, 4:3, Grandeur2.jpg)

Anonymous 09/25/14 (Thu) 06:58:58 No.15

File: 1411628338919.gif (43.41 KB, 2040x1540, 102:77, hum_comb_1a.gif)

Anonymous 09/25/14 (Thu) 06:59:08 No.16

File: 1411628348463.gif (53.29 KB, 2040x1540, 102:77, hum_comb_2b.gif)

Anonymous 09/25/14 (Thu) 06:59:34 No.17

File: 1411628374472.gif (12.58 KB, 899x543, 899:543, k3pgp_optical_rx.gif)

K3PGP OPRICAL RX (Daylight?)

Anonymous 09/25/14 (Thu) 06:59:45 No.18

File: 1411628385843.gif (27.59 KB, 1381x1227, 1381:1227, ka7oei_optical_rx_ver202b.gif)

Anonymous 09/25/14 (Thu) 06:59:54 No.19

File: 1411628394809.gif (63.49 KB, 1995x1127, 285:161, ka7oei_optical_rx_ver302.gif)

Anonymous 09/25/14 (Thu) 07:00:15 No.20

File: 1411628415874.gif (27.42 KB, 1614x964, 807:482, ka7oei_optical_rx_ver310a.gif)

KA7OEI OPTICAL RX

Anonymous 09/25/14 (Thu) 07:00:54 No.21

File: 1411628454550.gif (48.97 KB, 2040x1540, 102:77, LASER_COMM_simple.gif)

Laser comm. Super simple

Anonymous 09/25/14 (Thu) 07:01:13 No.22

File: 1411628473683.gif (180.54 KB, 1267x2367, 1267:2367, laser_pointer_scintillatio….gif)

Anonymous 09/25/14 (Thu) 07:02:04 No.23

File: 1411628524438.gif (51.67 KB, 2040x1540, 102:77, led_modulator_1_4a.gif)

High power, current linear, LED modulator

Anonymous 09/25/14 (Thu) 07:02:22 No.24

File: 1411628542326.gif (8.39 KB, 701x508, 701:508, led_modulator_current_sink….gif)

LED MODULATOR CURRENT SINK

Anonymous 09/25/14 (Thu) 07:02:40 No.25

File: 1411628560173.gif (64.99 KB, 2040x1540, 102:77, mini_pwm_led_interface_1b.gif)

MINI PWM LED INTERFACE

Anonymous 09/25/14 (Thu) 07:03:09 No.26

File: 1411628589042.jpg (1.15 MB, 3138x1690, 1569:845, mini_pwm_version_2_3_proto….jpg)

MINI PWM

Anonymous 09/25/14 (Thu) 07:03:37 No.27

File: 1411628616955.gif (86.44 KB, 3240x2040, 27:17, pwm_modulator_1a.gif)

PWM MODULATOR

Anonymous 09/25/14 (Thu) 07:03:57 No.28

File: 1411628637486.gif (6.82 KB, 336x461, 336:461, PWMGraphs.gif)

PWM GRAPHS

Anonymous 09/25/14 (Thu) 07:04:21 No.29

File: 1411628661276.gif (47.19 KB, 2040x1540, 102:77, simple_pwm_mod1b.gif)

MINI PWM MODULATOR

Anonymous 09/25/14 (Thu) 07:04:37 No.30

File: 1411628677486.gif (50.64 KB, 2040x1540, 102:77, simple_pwm_mod2a.gif)

02

Anonymous 09/25/14 (Thu) 07:04:49 No.31

File: 1411628689860.gif (75.44 KB, 2040x1540, 102:77, simple_pwm_mod3a.gif)

03

Anonymous 09/25/14 (Thu) 07:05:02 No.32

File: 1411628702632.gif (27.56 KB, 420x317, 420:317, simple_pwm_mod3a1s.gif)

03A1

Anonymous 09/25/14 (Thu) 07:05:18 No.33

File: 1411628718956.gif (29.52 KB, 2040x1540, 102:77, simplified_current_mod102.gif)

SIMPLIFIED CURRENT MODULATOR

Anonymous 09/25/14 (Thu) 07:06:44 No.34

File: 1411628804758.jpg (149.77 KB, 943x647, 943:647, sstv_rx_swasey_200710.jpg)

SSTV RX 170+ MILE LINK. OR 273+ KM EVERYWHERE AWESOME

Anonymous 09/25/14 (Thu) 07:07:05 No.35

File: 1411628825760.gif (40.4 KB, 965x765, 193:153, video_tx_optical_test.gif)

VIDEO TX OPTICAL TEST SCHEMATIC

Anonymous 09/25/14 (Thu) 07:07:30 No.36

File: 1411628850941.gif (33.45 KB, 1503x731, 1503:731, vk7mj_optical_rx1.gif)

VK7MJ MODULATED LIGHT RECEIVER

Anonymous 09/25/14 (Thu) 07:09:43 No.37

File: 1411628983014.jpg (21.48 KB, 319x381, 319:381, 7MJRecvrPhoto.jpg)

>>36
ALT.

Anonymous 09/25/14 (Thu) 07:10:08 No.38

File: 1411629008510.gif (14.19 KB, 718x434, 359:217, 7MJrx.gif)

>>37
ALT

Anonymous 09/25/14 (Thu) 07:15:43 No.39

File: 1411629343735.gif (18.64 KB, 729x572, 729:572, Figure27A.gif)

Anonymous 09/25/14 (Thu) 07:17:35 No.40

>>39
FIGURE 27A: SPECTRAL RADIANCE OF THE SUN, FROM VALLEY, SL HANDBOOK OF GEOPHYSICS AND SPACE ENVIRONMENTS, USAF RESEARCH CAMBRIDGE 1965

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