TradeWind International PMM Manual

INSTRUCTION

AND OPERATION

MANUAL

PMM* – Mini Modulator

Pace Electronics tel 800 444 7223 fax 507 288 www.pacemso.com

2 PMM* – Mini Modulator Instruction and Operation Manual

PMM* – Mini Modulator Technical Data

DESCRIPTION:

Professional quality channelized heterodyne audio/video modulator with SAW ﬁlter for adjacent

channel capability. The PLL oscillator with micro-processor can control the output frequency to

meet FCC required accuracy and off setting.

FEATURES:

Die cast housing

SAW Filtered for superior vestigial side band shaping and harmonic

reduction

Microprocessor controlled frequency setting meet all FCC accuracy and

off setting requirement

Upgrade to stereo with an optional stereo encoder card (PMM-SEC2)

Channel can be reset within its band resetting dip switch and output

ﬁlter only

Factory upgradable for composite stereo with additional Stereo

Encoder Card (PMM-SEC2)

Channels 2-92, listed on the front and rear

41 dBmV output

3 year limited warranty

SPECIFICATIONS:

•

Input Level:

Video

Audio

0.9Vp-p min for 87.5% modulation

0.25Vp-p for 25KHz peak deviation

Input Impedance:

Video

Audio

75 Ohm, F connector

10K Ohm, RCA Jack

Video S/N -60 dB Minimum (weighted)

Input Level Range: 0.75Vp-p - 1.5Vp-p

Differential Phase: <5º

Differential Gain: <5%

Pre-Emphasis 75 µ sec

Flatness: 1.5 dB, 50Hz - 15Hz

Output Channel:

Cable:

UHF:

Ch. 2 - Ch. 135

Ch. 14 - Ch. 69

Output Level: 41 dBmV min. with 20dB

level control

Output Impedance: 75 Ohm

Operating Temperature: -10ºC to 50ºC

Power: 12VDC, 5V

3 PMM* – Mini Modulator Instruction and Operation Manual

PMM* – Mini Modulator Physical Dimensions

FRONT PANEL

1. Power On Indicator: The LED indicates unit is powered on and operating.

2. Video Modulation: Used to set the video input level attenuation prior to modulation

3. Audio Modulation: Used to set the audio input level attenuation prior to modulation.

4. A/V Ratio: Adjusts the level of the audio RF carrier in proportion to the.

5. RF Output Level: Adjusts the RF output level to balance the modulated output at 41

dBmV.

WARNING: Adjusting the mini modulator RF output to operate higher than the rated 41 dBmV will

reduce the lifetime of the product and may damage the modulator. For a higher power output to

the system consider using active combiners or distribution ampliﬁers.

REAR PANEL

6. Video In: This “F” connector accepts composite video input from a satellite receiver, DVD

player or other equipment.

7. Audio In: The audio from the satellite receiver or DVD player is connected to these RCA

connectors. The audio inputs are combined into a mono-aural signal unless a stereo

encoder card is installed in the modu-lator.

8. RF Out: The modulated output signal comes out of this “F” connector to the combiner.

9. Power Plug: The three-pin power plug connects to a modulator power supply with 5 and

12VDC.

AUDIO

MOD

VIDEO

AUDIO

PMM

VIDEO

MOD

A/V

RATIO

RF OUT

LEVEL RF

OUT

POWER POWER

CH.

37/8” 23/4”

1” 0.63”

4 PMM* – Mini Modulator Instruction and Operation Manual

CATV (STD) 0 = ON

L 1

CH OSC V 1234567 8

2 101 55.25 0 0 0001 0 0

3107 61.25 0 0001 1 00

4113 67.25 0000001 0

L 2

5 123 77.25 0 0001 0 10

6129 83.25 0000011 0

7 221 175.25 0 00 0 1110

8227 181.25 00 0 0000 1

9233 187.25 0 0 0010 0 1

10 239 193.25 1 0 0 0 0 0 0 0

11 245 199.25 1 0 0 0 1 0 0 0

12 251 205.25 1 0 0 0 0 1 0 0

13 257 211.25 1 0 0 0 1 1 0 0

14 167.0125 121.2625 1 0 0 0 0 0 1 0

15 173.0125 127.2625 1 0 0 0 1 0 1 0

16 179.0125 133.2625 1 0 0 0 0 1 1 0

17 185 139.25 1 0 0 0 1 1 1 0

18 191 145.25 1 0 0 0 0 0 0 1

19 197 151.25 1 0 0 0 1 0 0 1

20 203 157.25 0 1 0 0 0 0 0 0

21 209 163.25 0 1 0 0 1 0 0 0

22 215 169.25 0 1 0 0 0 1 0 0

S 1

23 263 217.25 0 1 0 0 1 1 0 0

24 269 223.25 0 1 0 0 0 0 1 0

25 275.0125 229.2625 0 1 0 0 1 0 1 0

26 281.0125 235.2625 0 1 0 0 0 1 1 0

27 287.0125 241.2625 0 1 0 0 1 1 1 0

28 293.0125 247.2625 0 1 0 0 0 0 0 1

29 299.0125 253.2625 0 1 0 0 1 0 0 1

S 2

30 305.0125 259.2625 1 1 0 0 0 0 0 0

31 311.0125 265.2625 1 1 0 0 1 0 0 0

32 317.0125 271.2625 1 1 0 0 0 1 0 0

33 323.0125 277.2625 1 1 0 0 1 1 0 0

34 329.0125 283.2625 1 1 0 0 0 0 1 0

35 335.0125 289.2625 1 1 0 0 1 0 1 0

36 341.0125 295.2625 1 1 0 0 0 1 1 0

HY 1

37 347.0125 301.2625 1 1 0 0 1 1 1 0

38 353.0125 307.2625 1 1 0 0 0 0 0 1

39 359.0125 313.2625 1 1 0 0 1 0 0 1

40 365.0125 319.2625 0 0 1 0 0 0 0 0

41 371.0125 325.2625 0010 1 000

42 377.025 331.275 0 01 0 0100

43 383.0125 337.2625 0 0 1 0110 0

44 389.0125 343.2625 0 0 10001 0

45 395.0125 349.2625 0 0 1010 1 0

46 401.0125 355.2625 0 0100 1 10

47 407.0125 361.2625 0010 1 11 0

48 413.0125 367.2625 00100001

HY 2

49 419.0125 373.2625 00 1 0100 1

50 425.0125 379.2625 1 0 1000 0 0

51 431.0125 385.2625 1 01010 0 0

52 437.0125 391.2625 1 0100 1 0 0

53 443.0125 397.2625 1010 1 10 0

54 449 403.25 101 0 0010

HY 2

55 455 409.25 1 0101010

56 461 415.25 1010011 0

57 467 421.25 101011 1 0

58 473 427.25 101000 0 1

59 479 433.25 1 0 1 01 0 01

60 485 439.25 0110000 0

61 491 445.25 011010 0 0

62 497 451.25 0 1100 1 00

UTR

1-1

63 503 457.25 01101100

64 509 463.25 0 1100010

65 515 469.25 0 1 1 0 1 0 1 0

66 521 475.25 0 1 1 0 0 1 1 0

67 527 481.25 0 1 1 0 1 1 1 0

68 533 487.25 0 1 1 0 0 0 0 1

69 539 493.25 0 1 1 0 1 0 0 1

70 545 499.25 1 1 1 0 0 0 0 0

71 551 505.25 1 1 1 0 1 0 0 0

72 557 511.25 1 1 1 0 0 1 0 0

73 563 517.25 1 1 1 0 1 1 0 0

74 569 523.25 1 1 1 0 0 0 1 0

75 575 529.25 1 1 1 0 1 0 1 0

UTR

1-2

76 581 535.25 1 1 1 0 1 1 0

77 587 541.25 1 1 1 0 1 1 1 0

78 593 547.25 1 1 1 0 0 0 0 1

79 599 553.25 1 1 1 0 1 0 0 1

80 605 559.25 0 0 0 1 0 0 0 0

81 611 565.25 0 0 0 1 1 0 0 0

82 617 571.25 0 0 0 1 0 1 0 0

83 623 577.25 0 0 0 1 1 1 0 0

84 629 583.25 0 0 0 1 0 0 1 0

85 635 589.25 0 0 0 1 1 0 1 0

86 641 595.25 0 0 0 1 0 1 1 0

87 647 601.25 0 0 0 1 1 1 1 0

88 653 607.25 0 0 0 1 0 0 0 1

UTR

2-1

89 659 613.25 0 0 0 1 1 0 0 1

90 665 619.25 1 0 0 1 0 0 0 0

91 671 625.25 1 0 0 1 1 0 0 0

92 677 631.25 1 0 0 1 0 1 0 0

93 683 637.25 1 0 0 1 1 1 0 0

94 689 643.25 1 0 0 1 0 0 1 0

95 137 91.25 1 0 0 1 1 0 1 0

96 143 97.25 1 00 1 0 1 10

97 149 103.25 1001111 0

98 155.025 109.275 100100 0 1

99 161.025 115.275 1 0011001

UTR

2-1

100 695 649.25 01010000

101 701 655.25 010110 0 0

UTR

2-1

102 707 661.25 0101010 0

103 713 667.25 0 1 0 11 1 0 0

104 719 673.25 0101001 0

105 725 679.25 010110 1 0

106 731 685.25 0 1010 1 10

PMM* – Dip Switch Settings

5 PMM* – Mini Modulator Instruction and Operation Manual

IMPORTANT

WARNING: This product is not WATERPROOFED. To reduce risk of electrical shock, ﬁre hazard, or

damage to the unit, do not expose to rain or moisture.

CAUTION: To prevent electric shock, do not connect power supply until the power connections to

the modulation have been made.

NOTE TO INSTALLER: This reminder calls the system installer’s attention to Article 820-22 of the

NEC that pro-vides guidelines for proper grounding and, in particular, speciﬁes that the cable

ground shall be connected to the grounding system of the building, as close to the point of cable

entry as practical.

HEADEND BALANCING

1. Let the headend warm up or “Burn-in” for at least 2 hours prior to calibrating.

2. Connect a calibrated RF signal meter or spectrum analyzer to the output of the highest

channel modulator.

3. Verify that the modulator is at 41 dBmV after the warm up time.

4. Connect modulator to the combiner.

5. Connect the RF signal meter or spectrum analyzer to the output of the headend. This

may be the combiner output or a distribution ampliﬁer output.

6. Measure the highest channel to obtain the headend output level.

7. Keep the highest channel unchanged and attenuate the lower channels to match the

highest channel by reducing their RF Modulation output adjustment.

8. Fill headend balancing certiﬁcate with the headend output level, date, and signature.

9. Place the balancing certiﬁcate visible at the headend location.

Certiﬁcate of Calibration

I certify that this headend system at

has been burned, balanced, and tested in full working order in compliance with

the manufacturer balance speciﬁcations. This calibration is valid for a period of

twelve months.

Channels/Lowest/Highest

Burn-in Time hours

Headend Output Level dBmV

Measurement instrument used was calibrated on

Balanced by:

Name:

Company:

Address:

Phone:

Signature Date

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