Ericsson 19D902783G1 Скачать руководство пользователя

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110 WATT UHF POWER AMPLIFIER 19D902797G3

90 WATT UHF POWER AMPLFIER 19D902797G6, G7

& G9 - G11

75 WATT UHF POWER AMPLFIER 19D902797G8

ISSUE 6

PARTS LIST

SYMBOL

PART NO.

DESCRIPTION

ASSEMBLIES

POWER AMPLIFIER BOARD

19D902794G3, G6 - G11

- - - - - - - - - - CAPACITORS - - - - - - - - - - -

19A116708P2

Feedthru: 0.01uF +100-0%, 500 VDCW; sim to Erie 327-
050-X5W0103P.

19A702052P26

Ceramic: 0.1

10%, 50 VDCW,

C2
thru
C9

19A702061P63

Ceramic: 120 pF

5%, 50 VDCW, temp coef 0

30 PPM.

C10

344A3126P38

Porcelain: 100 pF

5%, 500 VDCW. sim to 101JT500X.

C11

19A702061P63

Ceramic: 120 pF

5%, 50 VDCW, temp coef 0

30 PPM.

C12

19A705108P40

Mica chip: 120 pF,

5%, 100 VDCW. temp coef 0

PPM°C.

C13
thru
C16

344A3126P38

Porcelain: 100 pF

5%, 500 VDCW. sim to 101JT500X.

C17

19A702052P26

Ceramic: 0.1

10%, 50 VDCW.

C18

19A705108P40

Mica chip: 120 pF,

5%, 100 VDCW. temp coef 0

PPM°C.

C19

344A3126P38

Porcelain: 100 pF

5%, 500 VDCW. sim to 101JT500X.

C20
and
C21

19A705108P40

Mica chip: 120 pF,

5%, 100 VDCW. temp coef 0

PPM°C.

C22
and
C23

19A702052P26

Ceramic: 0.1

10%, 50 VDCW.

C24

19A702061P63

Ceramic: 120 pF

5%, 50 VDCW, temp coef 0

30 PPM.

C25

344A3126P38

Porcelain: 100 pF

5%, 500 VDCW. sim to 101JT500X.

C26

344A3126P62

Porcelain: 1000 pF

5%, 500 VDCW; sim to 102JT500X.

C27

344A3126P13

Porcelain: 15 pF

5%, 500 VDCW; sim to 100JT500X.

(Used in G7 and G8).

C27

344A3126P15

Porcelain: 12 pF

5%, 500 VDCW; sim to 120JT500X.

(Used in G6 and G11).

C28

344A3126P18

Porcelain: 15 pF

5%, 500 VDCW; sim to 150JT500X.

(Used in G8).

C28

344A3126P15

Porcelain: 12 pF

5%, 500 VDCW; sim to 120JT500X.

(Used in G6).

C28

344A3126P13

Porcelain: 15 pF

5%, 500 VDCW; sim to 100JT500X.

(Used in G11).

C28

344A3126P11

Porcelain: 8.2 pF

5%, 500 VDCW; sim to 8R2CT500X.

(Used in G7).

C29

344A3126P18

Porcelain: 15 pF

5%, 500 VDCW; sim to 150JT500X.

(Used in G8).

C29

344A3126P15

Porcelain: 12 pF

5%, 500 VDCW; sim to 120JT500X.

(Used in G6).

C29

344A3126P13

Porcelain: 15 pF

5%, 500 VDCW; sim to 100JT500X.

(Used in G11).

C29

344A3126P11

Porcelain: 8.2 pF

5%, 500 VDCW; sim to 8R2CT500X.

(Used in G7).

C30

344A3126P15

Porcelain: 12 pF

5%, 500 VDCW; sim to 120JT500X.

(Used in G8).

C30

344A3126P11

Porcelain: 8.2 pF

5%, 500 VDCW; sim to 8R2CT500X.

(Used in G3, G9, G10).

C31

344A3126P15

Porcelain: 12 pF

5%, 500 VDCW; sim to 120JT500X.

(Used in G8).

C31

344A3126P11

Porcelain: 8.2 pF

5%, 500 VDCW; sim to 8R2CT500X.

(Used in G3, G9, G10).

C32
and
C33

344A3126P1

Porcelain: 3.3 pF

.25pF, 500 VDCW; sim to 3R3CT500X.

(Used in G3).

SYMBOL

PART NO.

DESCRIPTION

C34
and
C35

344A3126P18

Porcelain: 15 pF

5pF, 500 VDCW; simto 150JT500X.

(Used in G6, G7 and G11).

C36

344A3126P3

Po r c e l a i n : 3 . 9 p F

0 . 2 5 %, 5 0 0 V D C W ; s i m t o

3R9CT500X. (Used in G8).

C36

344A3126P5

Po r c e l a i n : 4 . 7 p F

0 . 2 5 %, 5 0 0 V D C W ; s i m t o

4R7CT500X. (Used in G6 and G11).

C37

344A3126P2

Po r c el a i n: 2 .2 pF

0.25%, 500 V DC W; sim to

2R2CT500X. (Used in G8).

C38

19A705205P7

Tantalum: 10

F, 25 VDCW; sim to Sprague 293D. (Used

in G8, G9, G10 and G11).

C39

19A705108P40

Mica chip: 120 pF,

5%, 100 VDCW. temp coef 0

PPM/°C. (Used in G8, G9, G10 and G11).

C40

19A702052P26

Ceramic: 0.1

10%, 50 VDCW. (Used in G8, G9 and

G10).

C41

344A3126P38

Porcelain: 100 pF

5%, 500 VDCW. sim to 101JT500X.

(Used in G11).

C42
thru
C45

19A702052P26

Ceramic: 0.1

10%, 50 VDCW.

C46
and
C47

344A3126P11

Porcelain: 8.2 pF

5%, 500 VDCW; sim to 8R2CT500X.

(Used in G9 and G10).

C46
and
C47

344A3126P13

Porcelain: 15 pF

5%, 500 VDCW; sim to 100JT500X.

(Used in G10).

C48

19A702052P26

Ceramic: 0.1

10%, 50 VDCW.

C49

19A702236P40

Ceramic: 39 pF

5%, 50 VDCW, temp coef 0

30 PPM/

C50

19A702052P26

Ceramic: 0.1

10%, 50 VDCW.

C51

19A705205P7

Tantalum: 10

F, 25 VDCW; sim to Sprague 293D.

C53
and
C54

19A705205P7

Tantalum: 10

F, 25 VDCW; sim to Sprague 293D.

C57

19A705205P7

Tantalum: 10

F, 25 VDCW; sim to Sprague 293D.

C58

344A3126P11

Porcelain: 8.2 pF

5%, 500 VDCW; sim to 8R2CT500X.

(Used in G3).

C58

344A3126P15

Porcelain: 12 pF

5%, 500 VDCW ; sim to 120JT500X.

(Used in G6, G7, G8 and G11).

C58

344A3126P7

Po r c e l a i n : 5 . 6 p F

0 . 2 5 %, 5 0 0 V D C W ; s i m t o

5R6CT500X. (Used in G9, G10).

C59

19A702061P49

Ceramic: 56 pF

5%, 50 VDCW, temp coef 0

30 PPM.

C60

19A702061P65

Ceramic: 150 pF

5%, 50 VDCW, temp coef 0

PPM/

C61

19A702061P17

Ceramic: 12 pF

10 pF, 50 VDCW, temp coef 0

PPM/°C.

C62

19A702236P52

Ceramic: 120 pF

5%, 50 VDCW, temp coef 0

PPM/°C.

C64

344A3126P38

Porcelain: 100 pF

5%, 500 VDCW; sim to 101JT500X.

C65

344A3126P11

Porcelain: 8.2 pF

5%, 500 VDCW; sim to 8R2CT500X.

(Used in G3).

C65

344A3126P5

Porcelain:4.7 pF

±0.2

5%, 500 VDCW; sim to 4R7CT500X.

(Used in G9, G10).

C66

19A700006P58

Mica/teflon: 47 pF

2%, 100 VDCW. (Used in G8).

C66

19A700006P55

Mica/teflon: 27 pF

2%, 100 VDCW. (Used in G9 and

G10).

C66

19A700006P50

Mica/teflon: 39 pF

2%, 100 VDCW. (Used in G6, G7, and

G11).

C66

19A700006P48

Mica/teflon: 33 pF

2%, 100 VDCW. (Used in G3).

C67

19A700006P58

Mica/teflon: 47 pF

2%, 100 VDCW. (Used in G6 and

G11).

C67

19A700006P50

Mica/teflon: 39 pF

2%, 100 VDCW. (Used in G7 and G8).

C67

19A700006P49

Mica/teflon: 36 pF

2%, 100 VDCW (G3).

C67

19A700006P55

Mica/teflon: 27 pF

2%, 100 VDCW. (Used in G9 and

G10).

C68

19A700006P58

Mica/teflon: 47 pF

2%, 100 VDCW. (Used in G8 and

G11).

C68

19A700006P50

Mica/teflon: 39 pF

2%, 100 VDCW. (Used in G6, G7, and

G11).

C68

19A700006P48

Mica/teflon: 33 pF

2%, 100 VDCW (G3).

SYMBOL

PART NO.

DESCRIPTION

C68
and
C69

19A700006P53

Mica/teflon: 22 pF

2%, 100 VDCW. (Used in G10).

C68

19A700006P55

Mica/teflon: 27 pF

2%, 100 VDCW. (Used in G9).

C69

19A700006P49

Mica/teflon: 36 pF

2%, 100 VDCW (G3).

C69

19A700006P58

Mica/teflon: 47 pF

2%, 100 VDCW. (Used in G6 and G11).

C69

19A700006P50

Mica/teflon: 39 pF

2%, 100 VDCW (G7).

C69

19A700006P55

Mica/teflon: 27 pF

2%, 100 VDCW. (Used in G9).

C69

19A700006P57

Mica/teflon: 43 pF

2%, 100 VDCW. (Used in G8).

C70

19A702061P49

Ceramic: 56 pF

5%, 50 VDCW, temp coef 0

30 PPM.

C71

19A702061P63

Ceramic: 120 pF

5%, 50 VDCW, temp coef 0

30 PPM.

C72
and
C73

19A702052P26

Ceramic: 0.1

10%, 50 VDCW.

C75
thru
C77

19A702052P26

Ceramic: 0.1

10%, 50 VDCW.

C78
and
C79

19A705205P7

Tantalum: 10

F, 25 VDCW; sim to Sprague 293D.

C81

344A3126P62

Porcelain: 1000 pF

5%, 500 VDCW; sim to 102JT500X.

C82
and
C83

19A705108P40

Mica chip: 120 pF,

5%, 100 VDCW, temp coef 0

50 PPM/°C.

C84

19A702061P89

Ceramic: 1500 pF

5%, 50 VDCW, temp coef 0

PPM.(Used in G3, G6-G9, G11).

C85
and
C86

19A705108P40

Mica chip: 120 pF,

5%, 100 VDCW, temp coef 0

50 PPM/°C.

C87

19A700006P60

Mica/teflon: 56 pF

2%, 100 VDCW. (Used in G8).

C87

19A700006P58

Mica/teflon: 47 pF

2%, 100 VDCW. (Used in G6, and G11).

C87

19A700006P57

Mica/teflon: 43 pF

2%, 100 VDCW. (Used in G7).

C87

19A700006P50

Mica/teflon: 39 pF

2%, 100 VDCW. (Used in G3).

C87

19A700006P48

Mica/teflon: 33 pF

2%, 100 VDCW. (Used in G9 and G10).

C88

19A700006P59

Mica/teflon: 51 pF

2%, 100 VDCW. (Used in G6, G8, and

G11).

C88

19A700006P57

Mica/teflon: 43 pF

2%, 100 VDCW. (Used in G7).

C88

19A700006P50

Mica/teflon: 39 pF

2%, 100 VDCW. (Used in G3).

C88

19A700006P48

Mica/teflon: 33 pF

2%, 100 VDCW. (Used in G9 and G10).

C89

19A700006P59

Mica/teflon: 51 ohms

2%, 100 VDCW. (Used in G6, G8, and

G11).

C89

19A700006P57

Mica/teflon: 43 pF

2%, 100 VDCW. (Used in G7).

C89

19A700006P50

Mica/teflon: 39 pF

2%, 100 VDCW. (Used in G3).

C89

19A700006P48

Mica/teflon: 33 pF

2%, 100 VDCW. (Used in G9 and G10).

C90

19A700006P60

Mica/teflon: 56 pF

2%, 100 VDCW. (Used in G8).

C90

19A700006P58

Mica/teflon: 47 pF

2%, 100 VDCW. (Used in G6 and G11).

C90

19A700006P57

Mica/teflon: 43 pF

2%, 100 VDCW. (Used in G7).

C90

19A700006P50

Mica/teflon: 39 pF

2%, 100 VDCW. (Used in G3).

C90

19A700006P48

Mica/teflon: 33 pF

2%, 100 VDCW. (Used in G9 and G10).

C91

19A700006P57

Mica/teflon: 43 pF

2%, 100 VDCW. (Used in G8).

C91

19A700006P58

Mica/teflon: 47 pF

2%, 100 VDCW. (Used in G9 and G11).

C91

19A700006P49

Mica/teflon: 36 pF

2%, 100 VDCW. (Used in G7).

C91

19A700006P48

Mica/teflon: 33 pF

2%, 100 VDCW. (Used in G3, G9 and

G10).

C92

19A700006P59

Mica/teflon:(Used in G8).

C92

19A700006P57

Mica/teflon: 43 pF

2%, 100 VDCW. (Used in G6 and G11).

C92

19A700006P50

Mica/teflon: 39 pF

2%, 100 VDCW. (Used in G7).

C92

19A700006P48

Mica/teflon: 33 pF

2%, 100 VDCW. (Used in G3).

C92

19A700006P55

Mica/teflon: 27 pF

2%, 100 VDCW. (Used in G9 and G10).

C93

19A700006P59

Mica/teflon: 51 ohms

2%, 100 VDCW. (Used in G8).

C93

19A700006P57

Mica/teflon: 43 pF

2%, 100 VDCW. (Used in G6 and G11).

C93

19A700006P50

Mica/teflon: 39 pF

2%, 100 VDCW. (Used in G7).

SYMBOL

PART NO.

DESCRIPTION

C93

19A700006P48

Mica/teflon: 33 pF

2%, 100 VDCW. (Used in G3).

C93

19A700006P55

Mica/teflon: 27 pF

2%, 100 VDCW. (Used in G9 and G10).

C94

19A700006P57

Mica/teflon: 43 pF

2%, 100 VDCW. (Used in G8).

C94

19A700006P49

Mica/teflon: 36 pF

2%, 100 VDCW (G7).

C94

19A700006P58

Mica/teflon: 47 pF

2%, 100 VDCW. (Used in G6 and G11).

C94

19A700006P48

Mica/teflon: 33 pF

2%, 100 VDCW. (Used in G3, G9, and

G10).

- - - - - - - - - - - - DIODES - - - - - - - - - - - -

D1
thru
D3

19A705377P4

Silicon: Hot Carrier; sim to HP HSMS-2802.

D4
thru
D6

19A700053P3

Silicon: 2 Diodes in Series, Common Cathode; sim to
MBAV70L.

- - - - - - - - - - - - - - JACKS - - - - - - - - - - - - - -

J101

19A705512P1

Connector, RF SMB Series: sim to AMP No. 221111-1.

J103

19A134263P1

Contact, electrical: sim to Selectro 229-1082-00-0-590.

J104

7777145P5

Receptacle: sim to Amphenol 82-97.

J201

19A704852P32

Printed wire, two part: 6 contacts, sim

to Molex 22-29-2061.

- - - - - - - - - - - - - - INDUCTORS - - - - - - - - - - - - - -

19C320617P10

Coil.(Used in G3, G6-G9 and G11).

19C320617P17

Coil.(Used in G10).

19A701091G1

Coil (Used in G6, G7, G8 and G11).

19C320617P10

Coil (Used in G6, G7, G8, G10 and G11).

19C320617P28

Coil.

19A701091G1

Coil (Used in G6, G7, G8 and G11).

19C320617P10

Coil (Used in G6, G7, G8, G10 and G11).

19A705470P4

Coil, Fixed: 15 nH; sim to Toko 380NB-15nM.

19A705470P8

Coil, Fixed: 39 nH; sim to Toko 380NB-39nM.

L14

19C320617P17

Coil.

L15
thru
L17

19A700024P13

Coil, RF: 1.0

20%.

L18

19C320617P17

Coil.

L23

19A705470P8

Coil, Fixed: 39 nH; sim to Toko 380NB-39nM.

L25

19A701091G1

Coil.

L29
and
L30

19C320617P10

Coil.

- - - - - - - - - - - TRANSISTORS - - - - - - - - - - - -

344A3948P1

Silicon, NPN: 440-512 MHz, 50W; sim to MRF 650.

Q2
and
Q3

344A4134P1

Silicon, NPN: 470-512 MHz, 65W; sim to MRF 658.

Q4
and
Q5

19A700076P2

Silicon, NPN: sim to MMBT3904, low profile.

19A701940P1

Silicon, NPN: sim to MRF 559.

344A3058P1

Silicon, NPN.

Q203

19A700055P1

Silicon, PNP.

- - - - - - - - - - - - RESISTORS - - - - - - - - - - - -

R1
and
R2

19B800607P270

Metal film: 27 ohms

5%, 1/8 w.

R3
thru
R6

19B801486P101

Metal film: 100 ohms

5%, 1/2 w.

19B800607P183

Metal film: 18K ohms

5%, 1/8 w.

* COMPONENTS, ADDED, DELETED OR CHANGED BY PRODUCTION CHANGES

LBI-38674F

Содержание 19D902783G1

Страница 1: ...rovides ampli fication and demodulation of the 21 4 MHz Intermediate Frequency signal The IF Module also includes the re ceiver squelch circuitry However it does not include de emphasis or squelch aud...

Страница 2: ...ector and is not externally available A received signal strength indicator RSSI is provided at U3 Pin 13 This indicator signal is generated within the limiter circuitry and provides an output current...

Страница 3: ...ages on U6 2 U1 U2 and U3 respectively R29 and R30 comprise a voltage divider to provide a 5 volt logic level output A fault is indicated when the output drops to zero Diode D1 and transistor Q3 monit...

Страница 4: ...nput Check for AF noise C29 200mV Check for AF noise U6 Pin 8 1 V U3 or associated components U6 or associated components Noise only no demodulated audio Check crystal oscillator TP3 50 mVpk 20 945 MH...

Страница 5: ...RECEIVER IF MODULE 19D902494G1 OUTLINE DIAGRAM 19D902494 Sh 1 Rev 5B 19D902493 Comp Side Rev 5 LBI 38643C 4...

Страница 6: ...SCHEMATIC DIAGRAM RECEIVER IF MODULE 19D902494G1 19D902504 Sh 1 Rev 6 LBI 38643C 5...

Страница 7: ...SCHEMATIC DIAGRAM RECEIVER IF MODULE 19D902494G1 19D902504 Sh 2 Rev 6 LBI 38643C 6...

Страница 8: ...CW sim to Sprague 293D C32 thru C34 19A702052P26 Ceramic 0 1 F 10 50 VDCW SYMBOL PART NO DESCRIPTION C35 19A705205P2 Tantalum 1 F 16 VDCW sim to Sprague 293D C36 19A705205P5 Tantalum 6 8 F 10 VDCW sim...

Страница 9: ...ari able resistor VR1 U8 was 19A704971P11 8 Vdc sim to MC78L08ACD VR1 was 19A705496P5 20K ohms 0 1w sim to Murata RGV4E203 Rev B 19D902494G1 25 kHz IF Module Board To change Squelch Driver operation t...

Страница 10: ...A U4 U5 19A704125P1 Quad Comparator U6 U7 19A701789P4 Quad Op Amp U8 19A704971P10 Voltage Regulator U3 19A149980P2 FM Receiver U1 344A3740P1 Silicon Bipolar IC U2 19A705927P1 Silicon Bipolar IC LBI 38...

Страница 11: ...ER 2 LOOP BUFFER AMPLIFIERS 2 AUDIO FREQUENCY AMPLIFIER 2 VOLTAGE REGULATORS 2 LOGIC CIRCUITS 3 BLOCK DIAGRAM 2 MAINTENANCE 3 TEST PROCEDURE 3 ALIGNMENT PROCEDURE 3 TROUBLESHOOTING 3 PARTS LIST 4 PROD...

Страница 12: ...frequency doubler Tank elements L802 C812 C814 and L803 form a resonant circuit and matching net work to drive resistive splitter R201 R204 RF AMPLIFIERS The RF chain begins with resistive splitter R2...

Страница 13: ...of the audio modulation and the buffered error signal The output of the second buffer U501B is applied to a loop filter consisting of R506 R507 R508 C505 and C506 This filter controls the bandwidth an...

Страница 14: ...z average deviation de emphasis on Verify 55dB 7 Measure AF response at 300 Hz 1 kHz ref and 3 kHz de emphasis off Verify within 1 5 dB with respect to 1 kHz reference 8 Verify lock at different frequ...

Страница 15: ...50 VDCW temp coef 0 and or 30 PPM C C14 C15 19A700004P6 Metallized polyester 4 7 uF or 10 63 VDCW C16 19A702052P106 Ceramic 1500 pF or 5 50 VDCW C17 19A702061P99 Ceramic 1000 pF or 5 50 VDCW temp coef...

Страница 16: ...ilm 75 ohms or 5 1 8 w R210 19B800607P331 Metal film 330 ohms or 5 1 8 w R211 19B800607P120 Metal film 12 ohms or 5 1 8 w Used in G9 G10 R211 19B800607P150 Metal film 15 ohms or 5 1 8 w Used in G3 G6...

Страница 17: ...19A700004P2 C16 was 330 pF 19A702061P73 REV A TRANSMITTER SYNTHESIZER BOARD 19D902779G9 REV B TRANSMITTER SYNTHESIZER BOARD 19D902779G8 REV C TRANSMITTER SYNTHESIZER BOARD 19D902779G3 G6 G7 To meet h...

Страница 18: ...TA U401 19A149944P201 Dual Modulus Prescaler U402 19B800902P5 Synthesizer U502 19A702705P4 Quad Analog Switch U701 U705 19A703483P302 Quad 2 Input NAND Gate U702 19A703471P120 Address Decoder LBI 3867...

Страница 19: ...OUTLINE DIAGRAM UHF TRANSMITTER SYNTHESIZER BOARD 19D902779G3 G6 G10 SOLDER SIDE COMPONENT SIDE 19D902779 Sh 2 Rev 9 19D903361 Layer 1 4 Rev 0 LBI 38671H 8...

Страница 20: ...SCHEMATIC DIAGRAM UHF TRANSMITTER SYNTHESIZER 19D902780G3 G6 G10 19D903363 Sh 1 Rev 10 LBI 38671H 9...

Страница 21: ...SCHEMATIC DIAGRAM UHF TRANSMITTER SYNTHESIZER 19D902780G3 G6 G10 19D903363 Sh 2 Rev 10 LBI 38671H 10...

Страница 22: ...SCHEMATIC DIAGRAM UHF TRANSMITTER SYNTHESIZER 19D902780G3 G6 G10 19D903363 Sh 3 Rev 10 LBI 38671H 11...

Страница 23: ...tal oscil lator TCXO operating at 12 8 MHz The oscillator has a stability of 1 0 ppm over the temperature range of 30 C to 75 C The multiplier output is sampled by the resistive splitter and condition...

Страница 24: ...Hz G8 380 400 MHz 470 6 MHz 490 6 MHz G10 492 512 MHz 391 4 MHz 421 4 MHz G12 370 390 MHz 2 MHz 3 MHz 6 25 kHz FREQUENCY STABILITY LO POWER OUTPUT LO NOMINAL IMPEDANCE PHASE NOISE 25 kHz Offset HUM AN...

Страница 25: ...ernal use PRESCALER AND SYNTHESIZER IC The integrated circuit U6 is the heart of the synthesizer It contains the necessary frequency dividers and control circuitry to synthesize output frequencies by...

Страница 26: ...und the ENABLE TEST line pin 22A Apply 4 Vdc to the V_TUNE line pin 26A Measure the frequency of the free running multiplied oscillator at the LO OUT port J2 Adjust the trimmer capacitor C52 for 445 M...

Страница 27: ...digital control circuitry Troubleshoot using standard procedures Ensure all programming signals are present at J1 CLOCK DATA ENABLE A0 A1 and A2 If reference oscillator and programming signals are pr...

Страница 28: ...OUTLINE DIAGRAM UHF RECEIVER SYNTHESIZER BOARD 19D902664G3 G7 G8 G10 G12 COMPONENT SIDE 19D902664 Sh 2 Rev 4 19D902665 Layer 1 Rev 1 LBI 38672J 5...

Страница 29: ...pF or 5 50 VDCW temp coef 0 or 30 PPM C C68 19A702061P99 Ceramic 1000 pF or 5 50 VDCW temp coef 0 or 30 PPM C C69 19A702061P99 Ceramic 1000 pF or 5 50 VDCW temp coef 0 or 30 PPM C C70 19A702061P61 Cer...

Страница 30: ...7P103 Metal film 10K ohms or 5 1 8 w R51 19B800607P103 Metal film 10K ohms or 5 1 8 w R52 19B800607P473 Metal film 47K ohms or 5 1 8 w R53 19B800607P473 Metal film 47K ohms or 5 1 8 w R54 19B800607P47...

Страница 31: ...ru U4 19A705927P1 Silicon Bipolar IC U8 U9 19A702293P3 Dual Operational Amplifier U5 19A149944P201 Modulus Prescaler U14 19A702705P4 Quad Analog Switch U10 19A703471P120 Decoder Demux U12 U13 19A70348...

Страница 32: ...IC DATA U16 19A704971P10 8V Regulator U15 19A704971P8 5V Regulator Y1 19B801351P12 Crystal Oscillator LBI 38672J 9...

Страница 33: ...ASSEMBLY DIAGRAM RECEIVER SYNTHESIZER MODULE 19D902781G3 G7 G8 G10 G12 19D902781 Sh 2 Rev 5 LBI 38672J 10...

Страница 34: ...SCHEMATIC DIAGRAM RECEIVER SYNTHESIZER MODULE 19D902664G3 G7 G8 G10 G12 19D904091 Sh 1 Rev 9A LBI 38672J 11...

Страница 35: ...SCHEMATIC DIAGRAM RECEIVER SYNTHESIZER MODULE 19D902664G3 G7 G8 G10 G12 19D904091 Sh 2 Rev 9A LBI 38672J 12...

Страница 36: ...SCHEMATIC DIAGRAM RECEIVER SYNTHESIZER MODULE 19D902664G3 G7 G8 G10 G12 19D904091 Sh 3 Rev 9A LBI 38672J 13...

Страница 37: ...2782G3 G4 G7 DESCRIPTION The Receiver Front End RXFE Module amplifies and converts the Rf signal to the first IF signal of 21 4 MHz This is a down conversion process using low side G3 G4 or high side...

Страница 38: ...ith a constant voltage and current source The bias on Q3 and Q8 is monitored by the Fault Detector circuit via R21 and R31 respectively Capaci tors C22 C23 and C26 prevent the RF component from enteri...

Страница 39: ...frequency tuning The swept frequency tuning can be done using a Spectrum Analyzer and Tracking Generator With proper Injection power and current drain the frequency response of the Preselector Filter...

Страница 40: ...ed in G7 L19 19A705470P3 Coil fixed 15 nH sim to Toko 380NB 15nM L20 19A705470P24 Coil Fixed 0 82 H sim to Toko 380NB R82M SYMBOL PART NUMBER DESCRIPTION C13 19A702061P13 Ceramic 10 pF 5 50VDCW temp c...

Страница 41: ...prove receiver sensitivity L8 changed from 18nH 19A705470P4 to 33nH 19A705470P7 R5 changed from 10 ohms 19B800607P100 to 0 ohms 19B800607P1 R14 changed from 18 ohms 19B800607P180 to 27 ohms 19B800607P...

Страница 42: ...RECEIVER FRONT END BOARD 19D902490G4 G7 OUTLINE DIAGRAM 19D902490 Sh 4 Rev 6A LBI 38673F 5...

Страница 43: ...ASSEMBLY DIAGRAM RECEIVER FRONT END MODULE 19D902782G3 19D902782 Sh 1 Rev 6 LBI 38673F 6...

Страница 44: ...ASSEMBLY DIAGRAM RECEIVER FRONT END MODULE 19D902782G4 G7 19D902782 Sh 2 Rev 6 LBI 38673F 7...

Страница 45: ...SCHEMATIC DIAGRAM RECEIVER FRONT END MODULE 19D902782G4 G7 19D904768 Sh 1 Rev 6 LBI 38673F 8...

Страница 46: ...SCHEMATIC DIAGRAM RECEIVER FRONT END MODULE 19D902782G3 G4 G7 19D904768 Sh 2 Rev 6 LBI 38673F 9...

Страница 47: ...SCHEMATIC DIAGRAM RECEIVER FRONT END MODULE 19D902782G3 19D903498 Rev 7 LBI 38673F 10...

Страница 48: ...This page intentionally left blank LBI 38673F 11...

Страница 49: ...TA 11 OUTLINE DIAGRAM 10 12 SCHEMATIC DIAGRAM 11 12 LOW PASS FILTER 7 13 MAINTENANCE MANUAL FOR 450 470 MHz 110 WATT POWER AMPLIFIER 19D902797G3 425 450 MHz 90 WATT POWER AMPLIFIER 19D902797G7 403 425...

Страница 50: ...400 mW Low Level Amplifier U102 The Low Level Amplifier LLA stage uses a 50 ohm thick film RF Power Module to amplify and control of the output power Internally the module is a three stage ampli fier...

Страница 51: ...e control voltage as necessary If Vr increases at U3 1 beyond the preset threshold an increase at U3 4 will result This causes a subsequent reduction in the control voltage to U1 Thus the power contro...

Страница 52: ...s DC G3 G6 G7 G8 G9 G10 G11 7 10 Volts 6 8 Volts 6 8 Volts 6 8 Volts 6 8 Volts 6 8 Volts 6 8 Volts 6 8 Volts 6 8 Volts 6 8 Volts 6 8 Volts 6 8 Volts 4 6 Volts 6 8 Volts 6 8 Volts 6 8 Volts 6 8 Volts 6...

Страница 53: ...LATOR J104 450 470 110W 65 130W 75W 100W 70W 425 450 90W 55 110W 60W 82W 55W 403 425 90W 55 110W 60W 82W 55W 380 400 75W 45 90W 50W 68W 47W 410 430 90W 55 110W 60W 82W 55W 470 494 90W 55 110W 60W 82W...

Страница 54: ...ASSEMBLY DIAGRAM POWER AMPLIFIER ASSEMBLY 19D902797G3 G6 G7 G8 G9 G10 G11 19D902797 Sh 3 Rev 10 LBI 38674F 5...

Страница 55: ...ASSEMBLY DIAGRAM POWER AMPLIFIER ASSEMBLY 19D902797G3 G6 G7 G8 G9 G10 G11 19D902797 Sh 2 Rev 10 COVER ASSEMBLY 19B801659G3 19B801659 Sh 2 Rev 3 LBI 38674F 6...

Страница 56: ...ASSEMBLY DIAGRAMS LOW PASS FILTER MODULE 19D902856G3 19D902856 Sh 1 Rev 0 LBI 38674F 7...

Страница 57: ...7 pF 2 100 VDCW Used in G8 and G11 C68 19A700006P50 Mica teflon 39 pF 2 100 VDCW Used in G6 G7 and G11 C68 19A700006P48 Mica teflon 33 pF 2 100 VDCW G3 SYMBOL PART NO DESCRIPTION C68 and C69 19A700006...

Страница 58: ...al W10 19B801937P1 Power cable W13 19B801739P1 Power control cable MISCELLANEOUS 2 19D902420P6 Heatsink 5 19A702381P510 Screw thread forming TORX DRIVE No M3 5 0 6 x 10 6 7139898P3 Nut hex brass No 1...

Страница 59: ...R53 R55 REV A POWER AMPLIFIER 19D902797G6 To update PWB to new band splits REV A POWER AMPLIFIER 19D902797G7 POWER AMPLIFIER BOARD 19D902794G7 To update PWB to new band splits and add power monitor c...

Страница 60: ...SCHEMATIC DIAGRAM POWER AMPLIFIER ASSEMBLY 19D902797G3 G6 G7 G8 G9 G10 G11 19D903622 Sh 1 Rev 11 LBI 38674F 11...

Страница 61: ...pF 43 0 pF 39 0 pF 33 0 pF 33 0 pF 51 0 pF C89 51 0 pF 51 0 pF 43 0 pF 39 0 pF 33 0 pF 33 0 pF 51 0 pF C90 56 0 pF 47 0 pF 43 0 pF 39 0 pF 33 0 pF 33 0 pF 47 0 pF C91 51 0 pF 47 0 pF 36 0 pF 33 0 pF 3...

Страница 62: ...C DATA U1 19A705457P1 P2 AND P4 PA Amplifier Module U3 19A701789P4 Quad Op Amp U100 19A705532P2 Voltage Regulator U7 344A3907P1 MMIC Amplifier LOW PASS FILTER MODULE 470 512 MHz 19D902856G9 19B804157...

Страница 63: ...nual MASTR III RF PACKAGE UHF 380 512 MHz TABLE OF CONTENTS TRANSMIT SYNTHESIZER LBI 38671 RECEIVE SYNTHESIZER LBI 38672 RECEIVE RF MODULE LBI 38673 LBI 39129 IF MODULE LBI 38643 LBI 39123 POWER AMPLI...

Страница 64: ...made by Ericsson Inc at any time and without notice Such changes will be incorporated into new editions of this manual No part of this manual may be reproduced or transmitted in any form or by any mea...

Страница 65: ...r 50 Hz Power Supply Duplexer Antenna Relay VHF UHF Combiner Isolator Squelch Operated Relay Remote Controllers Battery Standby VHF UHF Battery Charger VHF UHF Gel Cell Battery VHF UHF Voice Guard Enc...

Страница 66: ...REGULATORY DATA EDACS and CONVENTIONAL FCC FILING DATA for cabinet or open rack mounting FREQUENCY BAND POWER OUTPUT Internally Adjustable FREQ STABILITY AND MODULATION TYPE APPLICABLE TO FCC RULES PA...

Страница 67: ...IDITY EIA 90 50o C 122o F INPUT POWER SOURCE 120 VAC 20 or Optional 230 VAC 15 50 Hz Standby Battery Source 13 8 VDC 100 AH min ANTENNA CONNECTIONS Type N LENGTH OF AC POWER CABLE 10 ft 3048mm METERIN...

Страница 68: ...12 5 kHz 25 kHz 380 400 403 430 425 450 450 470 470 494 492 512 50 12 5 25 115 0 40 V 118 0 28 V 80 90 50 12 5 25 116 0 35 V 119 0 25 V 80 90 50 12 5 25 116 0 35 V 119 0 25 V 80 90 50 12 5 25 116 0 3...

Страница 69: ...in 1 and 3 dB of 6 dB octave Line Output 300 to 3000 Hz per EIA AUDIO OUTPUT 1 Watt at less than 3 distortion 1000 Hz 25 kHz Channel MODULE NUMBERS TRANSMIT SYNTHESIZER 450 470 MHz 19D902780G3 425 450...

Страница 70: ...19D902797G7 403 425 MHz 19D902797G6 410 430 MHz 19D902797G11 380 400 MHz 19D902797G8 470 494 MHz 19D902780G9 492 512 MHz 19D902780G10 LOW PASS FILTER 19D902856G1 470 512 MHz 19D902780G9 ANTENNA SWITCH...

Страница 71: ...ACCESSORIES ANTENNA SWITCH 19B235897P2 LBI 38675E 9...

Страница 72: ...Ericsson Inc Private Radio Systems Mountain View Road Lynchburg Virginia 24502 1 800 528 7711 Outside USA 804 592 7711 Printed in U S A LBI 38675E...

Страница 73: ...Filter 2 Noise Detector 2 DC Amplifier 2 Schmitt Trigger 2 FAULT DETECTOR 2 VOLTAGE REGULATOR 2 ADDRESS DECODER 2 MAINTENANCE 2 RECOMMENDED TEST EQUIPMENT 2 ALIGNMENT PROCEDURE 2 TROUBLESHOOTING 3 AS...

Страница 74: ...AD signal to a maximum of about 4 8 Vdc for a high signal level 70 dB stronger than that required for 12 dB SINAD The quadrature detector provides a demodulated audio frequency output The input to the...

Страница 75: ...tput A fault is indicated when the output drops to zero Diode D1 and transistor Q3 monitor the output of the 8V regulator DI is a 8 2 volt breakdown diode If the regulator output voltage should rise a...

Страница 76: ...RRECT READING INDICATES DEFECTIVE COMPONENT Fault indicator on Check DC voltages 8V at U8 Pin 1 4v at U6 Pin 7 5 5V at U1 output pin 6V at U3 Pin 5 If DC voltages not correct U8 or associated componen...

Страница 77: ...OUTLINE DIAGRAM RECEIVER IF MODULE EARLIER VERSION 19D902494G7 G11 19D902494 Sh 3 Rev 6 RECEIVER IF MODULE 19D902494G7 G11 19D902494 Sh 4 Rev 6 LBI 39123E 4...

Страница 78: ...SCHEMATIC DIAGRAM RECEIVER IF MODULE EARLIER VERSION 19D902494G7 G11 188D5586 Sh 1 Rev 3 LBI 39123E 5...

Страница 79: ...SCHEMATIC DIAGRAM RECEIVER IF MODULE EARLIER VERSION 19D902494G7 G11 188D5586 Sh 2 Rev 3 LBI 39123E 6...

Страница 80: ...SCHEMATIC DIAGRAM RECEIVER IF MODULE 19D902494G7 G11 193D1065 Sh 1 Rev 3 LBI 39123E 7...

Страница 81: ...SCHEMATIC DIAGRAM RECEIVER IF MODULE 19D902494G7 G11 193D1065 Sh 2 Rev 3 LBI 39123E 8...

Страница 82: ...SCHEMATIC DIAGRAM RECEIVER IF MODULE 19D902494G7 G11 193D1065 Sh 3 Rev 3 LBI 39123E 9...

Страница 83: ...U1 344A3740P1 Silicon Bipolar IC U3 19A705535P3 FM Receiver U4 U5 19A704125P1 kQuad Comparator U6 U7 19A701789P4 Quad Op Amp U8 19A704971P10 Voltage Regulator U11 RYT3066018 C Bilateral Switch LBI 39...

Страница 84: ...Metal filter 2 7 K ohms 5 1 8 w Used in G11 R2 19B800607P332 Metal film 3 3K ohms 5 1 8 w R3 19B800607P103 Metal film 10K ohms 5 1 8 w R4 19B800607P102 Metal film 1K ohms 5 1 8 w R5 19B800607P103 Meta...

Страница 85: ...G10 G11 G12 DESCRIPTION The Receiver Front End RXFE Module amplifies and converts the RF signal to the first IF at 21 4 MHz This is a down conversion process using low side G9 G10 or high side G6 G8...

Страница 86: ...e Injection Amplifier output signal is coupled to the Injection Filter via an impedance matching network consisting of C8 L13 and resistors R15 and R16 INJECTION FILTER Following the Injection Amplifi...

Страница 87: ...0 dBm into the LO IN connector J3 LO frequency RF frequency 21 4 MHz for groups G9 G10 or LO frequency RF frequency 21 4 MHz for groups G6 G8 G11 G12 4 Preset the height of slugs with respect to the...

Страница 88: ...705470P14 Coil fixed 0 12 uH sim to Toko 380NB R12M Used in G6 and G11 L9 19A705470P1 Coil fixed 10 nH sim to Toko 380NB 10nM Used in G10 L10 19A705470P16 Coil fixed 0 18 nH sim to Toko 380NB R18M L11...

Страница 89: ...OUTLINE DIAGRAM U1 19A704125P1 Quad Operational Amplifier 19D902490 Sh 7 Rev 5 RECEIVER FRONT END BOARD 19D902490G6 G8 G12 LBI 39129B 4...

Страница 90: ...ASSEMBLY DIAGRAM RECEIVER FRONT END MODULE 19D902782G6 G8 G12 19D902782 Sh 2 Rev 3 LBI 39129B 5...

Страница 91: ...SCHEMATIC DIAGRAM RECEIVER FRONT END MODULE 19D902782G6 G8 G12 188D5789 Sh 1 Rev 6A LBI 39129B 6...

Страница 92: ...SCHEMATIC DIAGRAM RECEIVER FRONT END MODULE 19D902782G6 G8 G12 188D5789 Sh 2 Rev 6A LBI 39129B 7...

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