DTS Bit Synchronizer Portfolio Comparison Guide

Selecting the right bit synchronizer depends on channel count, data rate, form factor, and integration requirements. Delta Telemetry Systems offers bit sync solutions from GDP Space Systems and Acroamatics designed for lab, range, flight test, and embedded telemetry environments. The comparison below highlights key capabilities to help determine which bit sync platform best fits your system architecture.

Bit Synchronizer Portfolio Capability Comparison

Feature	Single/Dual PCM Bit Synchronizer Model 2430D	Dual/Quad PCM Bit Synchronizer Model 2265	Digital I/O Bit Synchronizer Model 270	Dual/Quad PCM Bit Sync/ BSS Data Quality Encapsulator Model 2265EC	Advanced Dual PCIe PCM Bit Sync Model 1631AP	Dual Stream PCM Decom & Bit Sync Model 1632AP / 674DM
Company	Acroamatics	GDP	GDP	GDP	Acroamatics	Acroamatics
Form Factor	Rackmount	Rackmount	Rackmount	Rackmount	PCIe Card	PCIe Decom / Mezzanine Bit Sync
Channels	2	2 / 4	8 / 16	2 / 4	2	2
Data Rate	8 bps to 44 Mbps	5 bps to 40 Mbps	5 bps to 20 Mbps	5 bps to 40 Mbps	8 bps – 40 Mbps	8 bps – 40 Mbps
Supported Independent Input & Output PCM Codes	NRZ-L/M/S, BIǾ-L/M/S, DBIǾ-M/S, DM-M/S, MDM-M/S	NRZ-L/M/S, BIǾ-L/M/S, DBIǾ-M/S, DM-M/S, MDM-M/S, RZ	NRZ-L/M/S, BIǾ-L/M/S, DM-M/S, MDM-M/S	NRZ-L/M/S, BiØ-L/M/S, DM-M/S, MDM-M/S	NRZ-L/M/S, Biø-L/M/S, DBiø-M/S, DM-M/S, MDM-M/S, RZ	NRZ-L/M/S, Biø-L/M/S, DBiø-M/S, DM-M/S, MDM-M/S, RZ
Derandomizer	Program selectable: RNRZ 9/11/15/17/23, forward/reverse	Program selectable: RNRZ 9/11/15/17/23, forward/reverse	IRIG 106 RNRZ (15) forward/reverse	IRIG 106 RNRZ (15) forward/reverse	Program selectable: RNRZ 9/11/15/17/23, forward/reverse	Program selectable: RNRZ 9/11/15/17/23, forward/reverse
Input/ Output Support	Differential & Single-ended Bi-polar Input / RS-422, TTL, and bi-polar (tape) Outputs	Analog, TTL & RS422 Inputs/ TTL, RS422 & Bipolar Outputs	Two selectable digital inputs      & 2 Digital Outputs per Channel; Each (1) RS-422, (1) TTL	Analog Inputs / TTL & Optional RS422 Outputs	Differential & Single-ended Input / RS-422 and TTL Outputs	Differential & Single-ended Input / RS-422 and TTL Outputs
Loop Bandwidth Control	0.1% to 3.2%, program selectable in 0.1% increments	0.01% to 1.6% (Extended LBW Range Optional)	Programmable from 0.05% to 1.6%	0.01% to 1.6% (Extended LBW Range Optional)	0.1% to 3.2%, program selectable in 0.1% increments	0.1% to 3.2%, program selectable in 0.1% increments
FEC / Viterbi Support	YES R = ½; K=7	YES R = ½, 1/3, 2/3 & 7/8; K=7	NO R = ½; K=7	YES R = ½; K=7	YES R = ½; K=7	YES R = ½; K=7
QOSK Support	NO	OPSK/OQPSK/ SOQPSK	NO	OPSK/OQPSK/ SOQPSK	NO	NO
Error Checking / Built-in BERT	YES	YES	NO	YES	YES	YES
Data Quality / Status Monitoring	BERT/PRN BER Link Test Mode Frame Sync PCM BER Monitor Frame Lock/Loss Monitor Viterbi Error Monitor/Stats	BERT/PRN BER Link Test Mode Frame Sync PCM BER Monitor Frame Lock/Loss, Monitor Eb/No Signal Quality Analog Out Viterbi Error Monitor/Stats	Frame Sync /Bit Sync lock/loss monitor	BERT/PRN BER Link Test Mode Frame Sync PCM BER Monitor Frame Lock/Loss, Monitor Eb/No Signal Quality Analog Out Viterbi Error Monitor/Stats	BERT/PRN BER Link Test Mode Frame Sync PCM BER Monitor Frame Lock/Loss Monitor Viterbi Error Monitor/Stats	BERT/PRN BER Link Test Mode Frame Sync PCM BER Monitor Frame Lock/Loss Monitor Viterbi Error Monitor/Stats
Typical Use / Integrated In	Rackmount range and telemetry acquisition facility	Rackmount range and telemetry acquisition facility	High-density serial range data communications	Best Source Selector (BSS) Bit Sync Data Quality Encapsulation (DQE)	Multi-stream integrator PCIe chassis applications	Integrated Decom/Bit Sync Processing Applications

“Which Bit Sync?” Decision Guide

Your Need	Best Fit	Why
Compact rackmount bit sync for mobile and fixed range acquisition and lab use	Acro Model 2430D	Recently updated rackmount unit designed for dual-stream fixed and mobile telemetry acquisition and post-test processing application
Flexible rackmount bit sync for general lab, range, or flight test telemetry	GDP Model 2265	Field-proven rackmount bit sync available in dual, or quad channel configurations for a wide range of telemetry applications.
High channel density for centralized telemetry processing systems	GDP Model 270	Integrated Bit Sync/Decom PCIe card base solution. Available in turn-key system and card-level integrator product solutions.
Best Source Selector (BSS) or data quality encapsulator applications	GDP Model 2265EC	Designed specifically for range telemetry front-end use to enable legacy range receivers to drive DQE/DQM correlating BSS systems
Standard PCIe chassis compatible card-based Windows/RHEL solution	Acro Model 1631AP	PCIe card providing dual-channel bit sync capability with all features of our rackmount bit sync systems
Integrated decom and bit sync processing in a PCIe architecture, supporting Windows and RHEL OS applications	Acro Model 1632AP/674DM	Compact mezzanine module designed for use with Acroamatics PCIe decom or as a standalone customer-integrated module
Standard PCIe chassis-compatible card-based Windows/RHEL solution	Acro Model 674DM	Standalone proprietary mezzanine-based dual-stream Bit Sync solution

Choosing the right bit synchronizer is critical to maintaining data integrity across the telemetry chain. Whether your application requires a rackmount system, embedded PCIe processing, or a compact mezzanine module, Delta Telemetry Systems offers proven solutions from GDP Space Systems and Acroamatics designed for reliable performance in demanding environments. Explore the full range of bit synchronizers to find the solution that best fits your system architecture. 👉 View all of our Bit Sync products.