OSH Park
Profile for nsayer
Shared projects
Divide by 1.5 v1.0
by
nsayer.
2
layer board of
1.05x0.75
inches
(26.67x19.05
mm).
Shared on
March 13th, 2017 14:03.
This design is untested, but the theory is sound.
15 MHz goes in, 10 MHz comes out.
- IC1 - 74LS74D
- IC2 - 74LVC2G86
- IC3 - 74LVC2G04
- IC4 - 74LVC1G17
- R1 - 1 MΩ
- R2 - 1 kΩ
- R3 & R4 - 50 Ω
- C1 - C4 - 0.1µF
- C5 - 10 pF
- C6 & C7 - 220 pF
- C8 - 22 pF
- L1 - 1.2 µH
Divide by 3 v2.0
by
nsayer.
2
layer board of
0.90x0.75
inches
(22.89x19.05
mm).
Shared on
March 12th, 2017 18:32.
Adds a self-biased inverter on the input and PI network LPF on the output. The input can be sine or square and the output will be ~13 dBm sine.
- IC1 - 74LS74D Dual D flip-flop
- IC2 - 74AHC1G86DBV Single 2-input XOR
- IC3 - 74LVC2G04 Single inverter
- C1-C3 - 0.1µF
- C4 - 10 pF
- R1 - 1 MΩ
- R3 & R4 - 50 Ω
- L1 - 1.2 µH
- C5 & C6 - 220 pF
mini-DIN 6 breakout
by
nsayer.
2
layer board of
0.90x0.60
inches
(22.89x15.27
mm).
Shared on
January 6th, 2017 01:39.
Accepts a CUI MD-40S or MD-60S. For the 40S, use pins 3-6 (corresponds to pins 1-4).
Divide-by-3 v2
by
nsayer.
2
layer board of
0.80x0.75
inches
(20.32x19.05
mm).
Shared on
July 7th, 2016 02:55.
2 D + 1 XOR variant. Circuit courtesy of Charles Steinmetz via the Time Nuts mailing list.
GPS Disciplined FE-5680A v1.6.4
by
nsayer.
2
layer board of
4.00x2.05
inches
(101.60x52.15
mm).
Shared on
July 7th, 2016 02:53.
See the Hackaday project page.
Almost the same as v1.6.3, but adds pi network to one output for a 13 dBm into 50 Ω sine port.