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Renesas
Renesas Electronics
Description : Wideband Programmable Modulator (WPM)

The HSP50415 Wideband Programmable Modulator (WPM) is a quadrature amplitude Modulator/upconverter designed for Wideband digital modulation. The WPM combines shaping and interpolation filters, a complex Modulator, timing and carrier NCOs and dual DACs into a single package.

Features
• Output Sample Rates. . . . . . . . . . . . . . . . . . to 100MSPS
• Input Data Rates . . . . . . . . . . . . . . . . Up to 25MSPS (I/Q)
• 32-Bit Programmable Carrier NCO
• X/SIN(X) Rolloff Compensation
Programmable I and Q Shaping FIR Filters:
    - Up to 24 Symbol Span
• Fixed or NCO Controlled Interpolation:
    - Interpolation Range . . . . . . . . . . . . . . . . . . . 4 to >128k
    - Digital PLL to Lock to Input Symbol Clock
• Digital Signal Processing Capable of >70dB SFDR
• Dual 12-bit D/A Processing Capable of >50dB SFDR
• Pb-Free Plus Anneal Available (RoHS Compliant)

Applications
• Wide-Band Digital Modulation
• Base Station Modulators
• HSP50415EVAL1 Evaluation Board Available

Description : Wideband Programmable Modulator (WPM)

The HSP50415 Wideband Programmable Modulator (WPM) is a quadrature amplitude Modulator/upconverter designed for Wideband digital modulation. The WPM combines shaping and interpolation filters, a complex Modulator, timing and carrier NCOs and dual DACs into a single package.

Features
• Output Sample Rates . . . . . . . . . . . . . . . . . . to 100MSPS
• Input Data Rates . . . . . . . . . . . . . . . .Up to 25MSPS (I/Q)
• 32-Bit Programmable Carrier NCO
• X/SIN(X) Rolloff Compensation
Programmable I and Q Shaping FIR Filters:
    - Up to 24 Symbol Span
• Fixed or NCO Controlled Interpolation:
    - Interpolation Range . . . . . . . . . . . . . . . . . . 4 to > 128K
    - Digital PLL to Lock to Input Symbol Clock
• Digital Signal Processing Capable of >70dB SFDR
• Dual 12-bit D/A Processing Capable of >50 dB SFDR

Applications
• Wide-Band Digital Modulation
• Base Station Modulators
• HSP50415EVAL1 Evaluation Board Available

Dallas
Dallas Semiconductor -> Maxim Integrated
Description : 5-Bit, Programmable, 100kHz Pulse-Width Modulator

DESCRIPTION
The DS1052 is a Programmable, 5-bit, pulse-width Modulator featuring a 2-wire addressable controlled interface. The DS1052 operates from power supplies ranging from 2.7V up to 5.5V. The PWM output provides a signal that swings from 0V to VCC.
The DS1052-100 requires a typical operating current of 100µA and a Programmable shutdown supply current of 1µA.

FEATURES
◾ Single 5-bit, Programmable, pulse-width Modulator (PWM)
◾ Adjustable Duty Cycle: 0% to 100%
◾ 2.7V to 5.5V Operation
◾ Standard Frequency Value: 100kHz
◾ 2-Wire Addressable Interface
◾ Packages: 8-Pin (150-mil) SOIC and 8-Pin (118-mil) μSOP
◾ Operating Temperature: -40°C to +85°C

Philips
Philips Electronics
Description : Universal I2C-bus Programmable RF Modulator

GENERAL DESCRIPTION
The TDA8822 is a Programmable Modulator which generates an RF TV channel from a baseband video signal and a baseband audio signal in the event of negative video and FM sound standards (B/G, I, D/K, M and N standards).

FEATURES
• 5 V power supply
• Video amplifier with clamp and white clip circuits
Programmable video modulation depth
• FM sound Modulator (4.5, 5.5, 6.0 and 6.5 MHz)
Programmable picture-to-sound ratio
Programmable deviation of the sound subcarrier
• Input for modulated NICAM sound subcarrier or second frequency modulated sound subcarrier
• Asymmetrical or symmetrical RF output buffer
• Symmetrical RF oscillator for UHF or VHF band according to the application
• One I2C-bus Programmable output port
• On-chip Phase-Locked Loop (PLL) frequency synthesizer for the RF carrier
• On-chip PLL frequency synthesizer for the sound carrier
• On-chip power supply regulator
• On-chip I2C-bus and/or hardware controlled Test Pattern Signal Generator (TPSG) with LED driver
• RF output switch-off during tuning.

APPLICATIONS
• Video recorders
• Cable converters
• Satellite receivers
• Set top boxes.

ADI
Analog Devices
Description : Programmable Digital QPSK/16-QAM Modulator

GENERAL DESCRIPTION
The AD9853 integrates a high speed direct-digital synthesizer (DDS), a high performance, high speed digital-to-analog converter (DAC), digital filters and other DSP functions onto a single chip, to form a complete and flexible digital Modulator device. The AD9853 is intended to function as a Modulator in network applications such as interactive HFC, WLAN and MMDS, where cost, size, power dissipation, functional integration and dynamic performance are critical attributes.

FEATURES
    Universal Low Cost Solution for HFC Network
    Return-Channel TX Function: 5 MHz–42 MHz/5 MHz–65 MHz
    165 MHz Internal Reference Clock Capability
    Includes Programmable Pulse-Shaping FIR Filters and Programmable Interpolating Filters
    FSK/QPSK/DQPSK/16-QAM/D16-QAM Modulation Formats
    6x Internal Reference Clock Multiplier
    Integrated Reed-Solomon FEC Function
    Programmable Randomizer/Preamble Function
    Supports Interoperable Cable Modem Standards
    Internal SINx/x Compensation
    >50 dB SFDR @ 42 MHz Output Frequency (Single Tone)
    Controlled Burst Mode Operation
    +3.3 V to +5 V Single Supply Operation
    Low Power: 750 mW @ Full Clock Speed (3.3 V Supply)
    Space Saving Surface Mount Packaging

APPLICATIONS
    HFC Data, Telephony and Video Modems
    Wireless LAN

Description : 5-Bit, Programmable, Pulse-Width Modulator: 1kHz, 5kHz, 10kHz, and 25kHz

DESCRIPTION
The DS1050 is a Programmable, 5-bit, pulse-width Modulator featuring a 2-wire addressable controlled interface. The DS1050 operates from power supplies ranging from 2.7V up to 5.5V. The PWM output provides a signal that swings from 0V to VCC. The DS1050 requires a typical operating current of 50μA and a Programmable shutdown supply current of 1μA.

FEATURES
◾ Single 5-bit, Programmable, pulse-width Modulator (PWM)
◾ Adjustable Duty Cycle: 0% to 100%
◾ 2.7V to 5.5V Operation
◾ Standard Frequency Values: 1kHz, 5kHz, 10kHz, and 25kHz
◾ 2-Wire Addressable Interface
◾ Packages: 8-Pin (150-mil) SOIC and 8-Pin (118-mil) SOP
◾ Operating Temperature: -40oC to +85oC

Motorola
Motorola => Freescale
Description : Gate Controlled Two Channel Input Wideband Amplifier

Gate Controlled Two Channel Input Wideband Amplifier

The MC1445/1545 was designed for use as a general purpose gated Wideband amplifier, video switch, sense amplifier, multiplexer, Modulator, FSK circuit, limiter, AGC circuit, or pulse amplifier.

● Large Bandwidth; 50 MHz Typical
● Channel Select Time of 20 ns Typical
● Differential Input and Differential Output

Description : I2C-bus Programmable Modulator for negative video modulation and FM sound

GENERAL DESCRIPTION
The TDA8722 is a Programmable Modulator which generates an RF TV channel from a baseband video signal and a baseband audio signal in the event of negative video and FM sound standards (PAL B/G, I, D/K and NTSC).

FEATURES
• Video amplifier with clamp and white clip circuits
• FM sound Modulator
• Asymmetrical and symmetrical RF outputs available
• Symmetrical RF oscillator using only a few external
   components
• External adjusting of modulation depth and level of the
   sound subcarrier
• I2C-bus receiver for frequency setting and test-mode
   selection
• One I2C Programmable output port
• On-chip Phase-Locked Loop (PLL) frequency
   synthesizer
• On-chip power supply regulator
• Bus switchable oscillator
• On-chip Test Pattern Signal Generator (TPSG).

APPLICATIONS
• Video recorders
• Cable converters
• Satellite receivers.

Part Name(s) : NJM2519A NJM2519AM
JRC
Japan Radio Corporation
Description : RF Modulator for VHF Band

■ DESCRIPTION
The NJM2519A is a RF Modulator IC especially designed for VHF band RF Modulator and consists of video clamp circuit, white clip circuit, video AM Modulator and audio FM Modulator, built into one chip.

■ FEATURES
• Operating Voltage 5V
• VHF Oscillator on chip
• Regulator on chip
• Bipolar Technology
• Package Outline: DMP8

 

Description : SiGe Wideband DIRECT Modulator RFIC, 100 - 4000 MHz

General Description
The HMC497LP4(E) is a low noise high linearity Direct Quadrature Modulator RFIC which is ideal for digital modulation applications from 100 - 4000 MHz including; Cellular/3G, Broadband Wireless Access & ISM circuits. Housed in a compact 4x4 mm (LP4) SMT QFN package, the RFIC requires minimal external components & provides a low cost alternative to more complicated double upconversion architectures. The RF output port is single-ended and matched to 50 Ohms with no external components.

Features
   Very Low Noise Floor: -161 dBm/Hz
   Very High Linearity: +22 dBm OIP3
   High Output Power: +9 dBm Output P1dB
   High Modulation Accuracy
   DC - 700 MHz Baseband Input

Typical Applications
The HMC497LP4(E) is ideal for:
• UMTS, GSM or CDMA Basestations
• Fixed Wireless or WLL
• ISM Transceivers, 900 & 2400 MHz
• GMSK, QPSK, QAM, SSB Modulators

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