T H-2 m 2M CW v Off 4-S QRP Gu T H-2 Tv KSWL v O 28
u: u v: 4 43 MHz Tu: Hz /2 Hz Tm uu: W m Rv u : x 6 ma Sz: 43 x 39 x 7, 8 z u- k- O--f CW, m m A/B, 8-3 m Ajum: BO m, -m u C u u: Au M SMT P 2: P- D: Rv: T v fm KSWL SW+ S m mf T f- u v -v 7 MHz fm T uu f mx U fm 22 m vu L3/C8 T f f -3B f xm 4 Hz L4 C2 m k u 2 mx U2 Tmm C3 v jum f BO fu u m T -m f v xm 6 B f u T f u fu f 8 Hz Q f 2 T v uu u f u A 8 Hz j f Tm: T m m Sv W KDJV- f k T fu u f m v Afu S3 T uu 3V - u v T CLK u u Tm fu T QSK fu CLK m k-v m U7 m f u v PA v Q-Q7 T - f m f m mz u ELSE m T f C2- L7 v u 2 -m CC-m v Wv-: Q4 P- MOSET f 2A uu u - k- u Q3, u u u C C4 v mk u v f R m 2 ms f m 4 ms N: R7, R8 R2 u, u PA u fm O u -u MPU C: T C 28- DP- Am ATm328P u Au UNO x 6 MHz Y6 f m T fm Au vm m A - uu 24 u--vu v u fu T v DC v v S R6 A/D v f M m A f u u f /, S-k m v T m f /O v vu f v f m: T H fm Au m C u u m Af -u z, m m u f -, k uu u E A f u u T u f f u u B m u/ u Ouu A4 A v k S3 Du Rv, CLK v, uu u fu u Du Tm, CLK v fu T v f, u um f S3 f T v v k k f m, ms m k-u T H fm -u fm ://4u//HK S f T H-2 Tv KSWL v O 28 2
P : Q Rf D N/ mk 2 C6, C CG 2 C4, C4 22 CG C,C3,C8,C2,C6 47 CG C3 2-6 m 2 C7,C2 68 CG 3 C7,C9,C CG 2 C2,C CG C49 22 CG C 27 CG 4 C2,C22,C24,C 47 CG C26 82 CG C27 22 22 CG C4,C,C3,C4,C3,C37,C38,C39 u C47, C4 C8 33 u C9,C2,C23,C2,C28,C32,C33, u C34,C3,C36,C42,C44,C4,C46 C48 3 C29,C3, C43 u A ±% ¼ 2 R3, R23 47 m Y-v-- 2 R4, R 47 m Y-v-- R22 K m B-k-- 2 R, R6 K m, PCB mu 8 R2, R3, R, R7-R2 K m B-k-- 2 R8, R9 22K m R--- 2 R4, R K m B--- R K m G--- 3 R6, R7, R2 M m B-k-- CAL 2- m, CAL 2- fm jum D N88 Bk 4 D2, D3, D4, D N448 G, m 2 D6, D7 BAT8 D8 N476 G, J BNC jk, - mu J2 DC jk 2 J3, J4 K u jk, 3mm 3- -- J 6- m u k -- J6 4- m u k T H-2 Tv KSWL v O 28 3
2 L, L2 33 H R k O--- 2 L3, L4 8 H R k B--- L T37-43 S u 7 u 2 L6, L7 T37-6 S u 7 u Q, Q3, Q, Q6, Q7 BS7 MOSET Q2 J3 JET Q4 NTD29 Sm k 2 U, U2 SA62AD 8- SOC-8 C - U3 NE32 8- DP C U4 LM78M Sm k U ATm328P 28- DP C U6 LM78L U7 74AC8 4- DP C Mu: -- S3 Su 8- S u 3 SW uu 2 -- /6 U uu SW2 / X-X 8 MHz HC-49/US M X6 6 MHz HC-49/US -- #24 m 8 4 m -- #2 m 24" 6 m 3 -- K 4 -- ¼ #6 u 4 -- /8 #6, 4 -- #6-32 x ⅟4 m, 4 -- #6-32 x ⅝ m, -- 8- DP k -- 4- DP k -- 28- DP k Am- : A um f m -v: mu v C! u, vu +3 M f m, u, u - u ~$3-4 fm DK Lk, jum m C3 A k $2 u ju v Am u: Yu f 7 u m u Yu v f m Cu: T m m T D7, *u* S3 f u S3 T H-2 Tv KSWL v O 28 4
m u - u um PC uf BEORE YOU START Bf u H 2, k m m z fmz uf v k m P L Bu v k mm mmz T v m, mm C mv fm - k u u m f m u k, m H k 4SQRPm H m v m fu u u f T u: *S 2 3W, f m * 6/4 *D u *N- * f m * P v Sm Cm Pm m v f um k mm f f u u A u u, u k ff u u m m W u k u, u k vf f v S ff u fm f m T V-v k f O, u f k u m u m fu u m u L! O Su: S f Gu u u f v 4SQRPu j O v, f HK uu f u T u -m f u m f P J J6 v k- S f uu f m fm T H-2 Tv KSWL v O 28
T H-2 Tv KSWL v O 28 6 GROUP ASSEMBLY: T 4 R u f u u 3 4 m, ff x L
T H-2 Tv KSWL v O 28 7 GROUP 2 ASSEMBLY: 9 T 3 R u f u u 3 4 m, ff x L
T H-2 Tv KSWL v O 28 8 GROUP 3 ASSEMBLY: m Sm v, m u fuu T A m u f u DC J2 U ¼- m S f k v k u u R f O m OK, m J2
D N88 D6 D7 BAT8 B u m f u D7 mu f S3 C43 T v f f T U4 78M T v -k f f u C4 C4 mk 22 22J X6 6 MHz u f u v O f, mv R8 K m, -k-- P S3 Cu ff 8- u S3 m 7- Sv u-ff Mk u u f u f S3 S ju Ck u k u fm u m O OK, m R4 R 47 m, v-- S3 m u P u-ff u f S3 u v T S3 u v f 7- m A f, k u k m Rmv - Cu ff x u f 28- C k U T f k f f f u k- v! T k f -v C24-47 mk 47 28- C U ATm328P T v -v T / f v mu f k f Yu C m k T u C uf 4- m v O T H-2 Tv KSWL v O 28 9
T H-2 Tv KSWL v O 28 u v C, u k 2- m f CAL K m 2- fm jum u u m GROUP 4 ASSEMBLY: m A m u f u J3 J4 U6 78L Ov J2
R4 K m --- R22 - K m -k-- R K m -k-- u R K m --- 8- DP C k U3 T f k f NE32P C U3 T -v Eu / C f C27 22 u, 222 C26 82, 82 C4, 3 R7 R2 M m, -k-- R3 R23 47 m -v-- R8 22K m, --- C29 C3 Ov T v + f T H-2 Tv KSWL v O 28
T H-2 Tv KSWL v O 28 2 GROUP ASSEMBLY: m A m u f Q BS7 T f f f R6 - M m B-k-- Q2 J3 T f f f R- K m B--- C2 C22-47 mk 47 R2 R3- K m B-k-- R9-22K m R--- C8-33 u mk 333 C6-47 mk 47 47J C7-68 mk 68 68J J2
T H-2 Tv KSWL v O 28 3 X 8 MHz T f m f, m u u C - mk J mm C3-2-6 T f f f GROUP 6 ASSEMBLY: m A m u f C, C3, C8 C2-47 mk 47 47J C6 - mk ;J J2
R k L L2 33 U T m T mk v m m v C2 C - mk C7, C9 C - mk R k L3 L4-8 U B-u X u X4 8 MHz A u 3 m, f m v D2 u D - N448 B m f mk u m u N: D3 D4, D2 D f T H-2 Tv KSWL v O 28 4
T H-2 Tv KSWL v O 28 GROUP 7 ASSEMBLY: m A m u f R7, R9, R2 R2 - K m -k-- Q4 NTD29 Eu -k f f 4- C k U7 T k f Aju U7 S m u 3 U7, u / C f Q3, Q, Q6, Q7, BS7 v v D D8 N476 C49-22 mk 22 W 8 u f #2 k L T37-43 Tm x 3/8 m U m kf, u fm u T u m u J2
L A -u k k N f: E m u u u Duk u k T v- u T GOOD TOROD T u u f u m u v u f m u! U f #24 m, 2 u T37-6 P v L6 U 2 f #24 m, 4 u m T37-6 P v L7 BAD TOROD!! C - 47 mk 47 C - 27 mk 27 C2-68 mk 68 68J BNC uk jk J U f u u j T m m f m u T H-2 Tv KSWL v O 28 6
m: fu /8 m f v u ⅟4 2 A - W, f k T f/ v T v W, u m 3 Pu v T u m f u u u 4 m v u u u A u : T T mu u m u S 6 f m Mk u u f v Cu uk u fu u 6 S u f 8 T u 7 Rmv v 8 Rmv v 9 R, R6, SW SW2 D u m P /6 uu SW SW T k m v u H v, u u v m Pfm Am BO P Ajum x R v T m fm f m 2 4W f uff D u -! A m j u um T H-2 Tv KSWL v O 28 7
2 W u u, m v k uf, v, fu v, u m ⅝ u U v, f u uk u u f, u k 3 k, u m v S k v v u T u k mu ju u fu T m m f k T H-2 Tv KSWL v O 28 8
ALGNMENT: T m T fu fm f u C 2 BO jum ----------------------------------------------------------------------------------------------------------------- u C: T S3 DDS u -u SMD f k A u, u fu m ff khz 4 MHz PROCEDURE: Tu u 46 khz 2 2- fm jum mk CAL f U 3 C -m J A m OK 4 A -4V DC J2 v 2/mm m u U -u, H u u fu W m f Du m, TUNNG m u u A f, m m f u U EEPROM T vu v uu u u f u m f f, mv- - DC T - u v, u z fu A m: C fu u u D-C Aju u v MPORTANT: Rmv jum CAL m Rmv- - DC u m ----------------------------------------------------------------------------------------------------------------- BO P jum: T uk m: Tu CW ju m C3 u v Yu k f mxmum m 8 Hz 2-, u k u k T m: P u u 46 S u 46 f,! Aju C3 v H m u * * * T H-2 Tv KSWL v O 28 9
O: Su: U DC H, u 6 R T fu f 46 Kz f u u v 4, u fm f xxx u Ru: Pu u f u u fu T u m u k Tu z: Bf u k z Hz 2Hz T -u fu Hz z RT: Pu u k f f- A - u, - RT R u RT ff- u - TUNE M Pu u f T m uu u jum f u, TUNE m u: OR k P Rv m M A/B S u u A DC H AND HOLDNG u R u R? T k 2 v D Nx, u B? T k 2 M B D, M A M f M A Yu A B fm u Yu -v mm H m S K m: U -u, H fm k f m k jk f m 2- u u, m u, H um f k x k u S k mu : Af k-, m uu u ff D u f m T TUNE fu k S k m u u m u T mu v m PA v fm uk k u A Su u: P TUNNG DC H u fu f 43 khz T v f k- f u uu k f 2M T H-2 Tv KSWL v O 28 2
Rv Sm: T H-2 Tv KSWL v O 28 2
T H-2 Tv KSWL v O 28 22
Tm/C Sm: T H-2 Tv KSWL v O 28 23
Cm Pm M Akm: Tk Sv W- KDJV SOTA POP fu f m H u v -u fm m f j Tk Dv C- NMOS- vu u u, 4SQRP, v v m Dv B, KSWL 4Nv 27 T H-2 Tv KSWL v O 28 24